WorksheetsExam 2.4.2 ResMeth and BasNut
Total questions: 150
Worksheet time: 1hrs 15mins
Which monosaccharide is commonly referred to as blood sugar and serves as a major energy source for cells?
Galactose, less sweet milk sugar component
Fructose, sweetest natural sugar in fruits
Glucose, primary cellular energy source
Sucrose, common table sugar from beets
Which pairing correctly identifies the components of a disaccharide?
Lactose: glucose plus galactose
Lactose: fructose plus glucose
Sucrose: glucose plus galactose
Maltose: fructose plus fructose
Which statement best distinguishes simple from complex carbohydrates?
Simple: indigestible; Complex: fully digestible
Simple: slow energy release; Complex: rapid release
Simple: single or double units; Complex: many units
Simple: only plant sources; Complex: only animal
Which description accurately characterizes soluble fiber?
Main storage of glucose in plant tubers and grains
Stored as glycogen in liver and muscle tissues
Forms gels, slows absorption, lowers cholesterol
Does not dissolve, speeds transit, prevents constipation
Which function of carbohydrates is directly linked to providing 4 kcal per gram to fuel brain and red blood cells?
Primary energy source
Glycogen storage
Gastrointestinal health
Fat metabolism support
Insufficient carbohydrate intake increases ketone formation. Which function addresses this outcome?
Fat metabolism: ensures complete oxidation of fat
Protein sparing: reduces nitrogen losses
Soluble fiber: lowers postprandial glucose
Glycogen storage: maintains hepatic reserves
Which statement about glycogen is accurate for human physiology?
Glycogen is the structural fiber in plant cell walls
Glycogen stores glucose in liver and muscles
Glycogen dissolves to form viscous intestinal gels
Glycogen equals sucrose from sugarcane sources
Which enzyme initiates starch digestion in the mouth by producing maltose?
Pancreatic amylase in saliva
Salivary amylase in saliva
Brush-border lactase enzyme
Gastric pepsin in acid
In the stomach, what happens to salivary amylase during carbohydrate digestion?
It converts glucose to glycogen
It is inactivated by acid
It is activated by low pH
It binds fiber fragments
Which intestinal enzymes split disaccharides into monosaccharides for absorption?
Maltase, sucrase, lactase
Aldolase, hexokinase, PFK
Glucagon, insulin, amylin
Trypsin, pepsin, lipase
How are glucose and galactose transported from the intestinal lumen into enterocytes?
Endocytosis of sugars
Facilitated diffusion entry
Active transport uptake
Passive diffusion only
After absorption, where are fructose and galactose converted to glucose?
Skeletal muscle cells
Pancreatic acinar tissue
Hepatic liver via portal
Renal cortex nephrons
Which statement best describes glycogen storage in the body?
Liver stores two-thirds bulk
Muscles store two-thirds bulk
Brain stores half of it
Adipose stores most glycogen
Inside cells, glucose breakdown primarily yields which energy molecule?
Creatine for muscle fibers
NADPH for digestion
GTP for protein folds
ATP for cellular work
What is gluconeogenesis and when does it increase?
Making fat from excess sugar
Making ketones during fasting
Making glucose from protein
Making glycogen from starch
Why is heavy reliance on gluconeogenesis considered undesirable?
It blocks intestinal absorption
It uses essential body protein
It depletes body water quickly
It suppresses pancreatic amylase
What daily carbohydrate intake helps prevent ketosis and spare protein?
10–20 grams intake
25–40 grams intake
120–180 grams intake
50–100 grams intake
When energy needs are met and glycogen stores are full, excess glucose is converted into what?
Fatty acids in adipose
Amino acids in plasma
Lactate in muscles
Ketone bodies in liver
Which bond links amino acids together in a polypeptide chain?
Ionic bond between charged residues
Disulfide bond between cysteine thiols
Peptide bond between carboxyl and amino groups
Hydrogen bond between side chains
Which statement best describes primary protein structure?
Association of multiple polypeptide subunits
Linear sequence of amino acids in a chain
Stabilization by disulfide crosslinks
Spatial arrangement of helices and sheets
What defines a nonessential amino acid in human nutrition?
Must be supplied by the diet
Can be synthesized by the body
Stored in adipose tissue
Required only during illness
Which is classified as an essential amino acid?
Leucine (Leu)
Alanine (Ala)
Aspartic acid (Asp)
Glycine (Gly)
Which amino acid is conditionally essential during illness or metabolic stress?
Glutamate (Glu)
Arginine (Arg)
Phenylalanine (Phe)
Proline (Pro)
Which process occurs in the stomach during protein digestion?
Absorption of intact polypeptides
Denaturation by HCl and hydrolysis by pepsin
Formation of disulfide bridges
Mechanical crushing without chemical change
Which enzyme class in the small intestine breaks peptides into tri-, dipeptides, and amino acids?
Lipoprotein lipases
Salivary amylases
Pancreatic and intestinal peptidases
Pepsin in gastric lumen
At the quaternary level, proteins are characterized by which feature?
Assembly of multiple polypeptide subunits
Three-dimensional folding of a single chain
Covalent modification of side chains
Local backbone hydrogen bonding patterns
Which abbreviation correctly matches its amino acid?
Lys (M) for Lysine
Ile (L) for Isoleucine
His (H) for Histidine
Leu (I) for Leucine
Which amino acid is nonessential in human metabolism?
Valine (Val)
Tryptophan (Trp)
Threonine (Thr)
Serine (Ser)
Which statement about peptide bonds is accurate?
Rotate freely around the C–N bond
Formed by condensation releasing water
Break by hydrogenation adding oxygen
Create side-chain branching points
Which is an essential branched-chain amino acid?
Glutamine
Leucine
Alanine
Aspartate
Which amino acid commonly forms disulfide bonds stabilizing tertiary structure?
Cysteine
Glycine
Proline
Asparagine
Where does initial mechanical processing of protein occur without significant chemical digestion?
Mouth
Stomach
Small intestine
Large intestine
Which pair lists two essential amino acids correctly?
Alanine and Glycine
Methionine and Phenylalanine
Aspartate and Glutamate
Proline and Serine
Which best describes secondary protein structure elements?
Linear order of residues determined by mRNA
Subunit interactions forming multimeric complexes
Covalent crosslinks created during folding
Alpha helices and beta sheets stabilized by hydrogen bonds
During gastric digestion, pepsin primarily performs which action on proteins?
Cleaves peptide bonds generating smaller peptides
Transaminates amino acids for gluconeogenesis
Phosphorylates serine residues
Reduces disulfide bridges to thiols
Which amino acid classification is correct for Glycine (Gly)?
Essential indispensable nutrient
Non-nutritive peptide derivative
Nonessential synthesized endogenously
Conditionally essential in all adults
Which outcome is expected from pancreatic trypsin and chymotrypsin activity?
Neutralization of gastric acid
Formation of intact polypeptide chains
Hydrolysis of peptides into smaller fragments
Complete absorption of whole proteins
Which enzyme initiates protein digestion in the stomach by cleaving peptide bonds?
Carboxypeptidase from pancreas
Trypsin from pancreatic juice
Pepsin activated by gastric acid
Chymotrypsin in small intestine
Which statement best describes the role of pancreatic proteases during intestinal protein digestion?
They transport amino acids into portal vein
They convert amino acids into urea
They complete hydrolysis into amino acids
They denature proteins by low pH
Which function of proteins directly involves catalyzing chemical reactions in the body?
Hormones signaling target cells
Antibodies defending against pathogens
Structural materials for connective tissue
Enzymes facilitating metabolism
A person recovering from illness with adequate protein intake is most likely in which nitrogen status?
Negative nitrogen balance
Positive nitrogen balance
Neutral nitrogen equilibrium
Erratic nitrogen turnover
Which scenario most likely produces negative nitrogen balance?
Growth with high protein meals
Pregnancy with sufficient calories
Starvation with severe stress
Recovery with supplemental amino acids
What is removed during deamination when amino acids are not used for protein synthesis?
Hydrogen atoms forming water
Side chains forming ketones
Amino group producing ammonia
Carboxyl group forming CO2
In the liver, ammonia generated from deamination is converted into which compound for safe excretion?
Ketone bodies via beta-oxidation
Glucose by glycogenesis
Urea through the urea cycle
Lactate via Cori pathway
The carbon skeleton (keto acid) from deaminated amino acids can be channeled primarily into which pathway to produce ATP?
Beta-oxidation in adipocytes
Electron transport to yield NADPH
Citric acid cycle after transamination
Glycolysis without oxygen supply
During transcription in protein synthesis, which event occurs?
DNA codes are copied into mRNA
Ribosomes assemble polypeptide chains
Amino acids are activated by tRNA
Peptide bonds are cleaved by pepsin
Which statement best distinguishes translation from transcription in protein synthesis?
Translation assembles amino acids into proteins
Translation copies DNA into mRNA
Translation edits nucleotides in the nucleus
Translation degrades mRNA after synthesis
Which process increases urea production and renal workload when protein intake is excessive?
Hydrogenation of carbon skeletons
Transamination of essential amino acids
Condensation of peptide bonds
Deamination of surplus amino acids
When carbohydrate intake is insufficient, certain amino acids are converted to glucose to maintain blood levels. What is this process called?
Glycogenolysis in adipose
Gluconeogenesis in the liver
Glycolysis in mitochondria
Glycogenesis in skeletal muscle
Which statement best describes triglyceride formation during a condensation reaction?
Glycerol and phosphates form esters without water loss
Three glycerol units bind one fatty acid releasing water
Glycerol binds three fatty acids releasing three waters
Glycerol binds two fatty acids releasing one water
Which feature distinguishes phospholipids from triglycerides in structure and function?
Phospholipids are fully hydrophobic molecules
A glycerol backbone is absent in phospholipids
One fatty acid replaced by a phosphate group
Two phosphate groups replace two fatty acids
Which role is correctly matched to sterols in the body?
Precursor for bile acids and steroid hormones
Primary energy storage in adipocytes
Carrier of lipids in the lymphatic system
Main emulsifier for intestinal fat digestion
Which property defines saturated fatty acids at the molecular level?
Contain one or more double bonds
Contain no double bonds between carbons
Contain a triple bond in the chain
Contain conjugated double bonds only
At room temperature, which characteristic commonly applies to saturated fats?
Liquid and decrease triglycerides
Solid and increase HDL cholesterol
Solid and increase LDL cholesterol
Liquid and lower LDL cholesterol
Which statement correctly contrasts MUFA and PUFA?
MUFA have one double bond; PUFA have two or more
MUFA are trans; PUFA are always cis
MUFA have no double bonds; PUFA have one
MUFA have two double bonds; PUFA have none
Which pair lists the essential fatty acids the body cannot synthesize?
Linoleic and alpha‑linolenic acids
Elaidic and conjugated linoleic acids
Oleic acid and stearic acid
Palmitic and arachidic acids
Which statement about trans fatty acids formed by hydrogenation is accurate?
Decrease both LDL and HDL cholesterol
Increase LDL and lower HDL cholesterol
Lower LDL and raise HDL cholesterol
Do not affect cardiovascular risk
Which event occurs during absorption of dietary lipids into the body?
Chylomicrons enter directly into portal blood
Cholesterol converts to glucose in enterocytes
Triglycerides stay unmodified in cells
Micelles deliver lipids to enterocytes
After intestinal absorption of long-chain fatty acids, what particle transports them initially through the lymphatic system before reaching the bloodstream?
Very-low-density lipoproteins
Chylomicrons formed in enterocytes
Albumin-bound free fatty acids
High-density lipoproteins
Which enzyme mobilizes stored triglycerides in adipose tissue during energy demand by hydrolyzing them into fatty acids and glycerol?
Lipoprotein lipase on capillaries
Hormone-sensitive lipase in adipocytes
Pancreatic lipase in duodenum
Acetyl-CoA carboxylase in liver
During fasting, which statement best describes how the body uses fat for energy?
Glycerol converts fully to ketone bodies
Triglycerides are first converted to glycogen then oxidized
Fatty acids undergo beta-oxidation to generate ATP
Fatty acids can directly fuel red blood cells
Prolonged glucose deprivation leads the liver to produce ketone bodies. What is the primary rationale for this adaptation?
To replace glycogen as the only fuel for muscles
To increase bile salt synthesis for fat absorption
To prevent glycerol from entering gluconeogenesis
To supply an alternative energy substrate for the brain
Which component of triglycerides can contribute to blood glucose maintenance during fasting via gluconeogenesis?
Ketone bodies circulating during starvation
Acetyl-CoA units entering the TCA cycle
The glycerol backbone released from lipolysis
The fatty acid chains after beta-oxidation
Which deficiency is classically associated with niacin and presents with dermatitis, diarrhea, dementia, and death?
Pellagra with the four D’s
Pernicious anemia with pallor
Beriberi with neuropathy and edema
Scurvy with bleeding gums
A diet very low in niacin and tryptophan, such as heavy reliance on untreated corn, most likely leads to which condition?
Pernicious anemia due to B12 lack
Scurvy due to vitamin C lack
Rickets due to vitamin D lack
Pellagra due to niacin deficiency
High supplemental niacin can cause which adverse effect at doses above typical intakes?
Bone pain and fractures
Hair loss and brittle nails
Night blindness and dry eyes
Niacin flush and liver damage
Which process is most directly supported by vitamin B6 coenzymes in human metabolism?
DNA strand separation
Transamination and decarboxylation
Phototransduction in retina
Beta-oxidation of fatty acids
Deficiency of vitamin B6 is most commonly linked to which neurologic or hematologic issue?
Microcytic anemia with dermatitis
Macrocytic anemia with glossitis
Aplastic anemia with pancytopenia
Hemolytic anemia with jaundice
Which is a key function of pantothenic acid (vitamin B5) in energy metabolism?
Chelates iron in the intestine
Acts as an antioxidant scavenger
Transfers methyl groups to DNA
Forms acetyl-CoA for the Krebs cycle
Biotin deficiency is rare but classically occurs with chronic consumption of raw egg whites due to which mechanism?
Avidin binding biotin and preventing absorption
Casein blocking intestinal transporters
Oxalates forming insoluble biotin salts
Lectins damaging villi and reducing uptake
Which symptoms are most consistent with biotin deficiency?
Bleeding gums, poor wound healing
Night blindness, keratinization problems
Edema, paresthesia, cardiac failure
Dermatitis, hair loss, neurologic issues
Which B-vitamin works together with B12 in red blood cell formation and homocysteine metabolism?
Pantothenate forming CoA
Biotin assisting carboxylation
Folate supporting DNA synthesis
Niacin aiding NAD synthesis
A pregnant individual deficient in folate faces increased risk for which fetal outcome?
Neural tube defects like spina bifida
Cleft palate and micrognathia
Craniosynostosis and torticollis
Tetralogy of Fallot heart disease
Which hematologic change typifies folate deficiency?
Megaloblastic anemia with large RBCs
Microcytic anemia with low MCV
Hemolytic anemia with high bilirubin
Polycythemia with high hematocrit
Vitamin B12 absorption requires which gastric component to be present?
Intrinsic factor secreted by stomach
Pancreatic proteases for cleavage
Bile salts from the gallbladder
Gastric acid for ionization
Which neurological consequence can result from prolonged vitamin B12 deficiency?
Restless leg syndrome
Irreversible nerve degeneration
Transient visual aura
Intermittent muscle cramps
What is a primary biochemical role of vitamin C relevant to connective tissue?
Urea cycle regulation and ammonia detox
Beta-carotene conversion to retinol
Collagen formation and wound healing
Ceramide synthesis for skin barrier
Which clinical picture best matches scurvy?
Tetany with carpopedal spasm
Photosensitivity and scaly dermatitis
Bone softening and bowed legs
Bleeding gums and pinpoint hemorrhages
Which statement best describes a benefit of vitamin C beyond its role in collagen?
Blocks intrinsic factor binding
Increases bile acid synthesis
Activates vitamin D receptors
Aids non-heme iron absorption
Heavy vitamin C supplementation can lead to which adverse outcomes?
Bronchospasm and wheezing
Hepatic steatosis and pruritus
Hyperkalemia and arrhythmias
Diarrhea and false test results
Which pairing correctly matches vitamin with common food sources noted for that nutrient?
Vitamin C—citrus and bell peppers
Vitamin B12—leafy greens mainly
Biotin—raw egg whites primarily
Niacin—only legumes and nuts
Which form of vitamin A is directly involved in gene expression regulation?
Retinol stores in hepatic stellate cells
Retinoic acid regulates gene expression
Retinal forms rhodopsin in retina
Beta-carotene converts to retinol
Vitamin A deficiency early sign most closely linked to visual function is:
Night blindness from rhodopsin deficit
Photophobia due to corneal edema
Peripheral vision loss from glaucoma
Color blindness from cone damage
Which statement best describes vitamin D activation?
Forms active hormone during sunlight storage
Becomes active when bound to albumin
Activated in gut by pancreatic enzymes
Converted to calcitriol by liver then kidneys
Primary physiological role of vitamin D is to:
Regulate calcium and phosphorus absorption
Increase rhodopsin regeneration rate
Serve as cofactor for prothrombin
Stabilize polyunsaturated fatty acids
A child presenting with bowed legs most likely has deficiency of:
Vitamin K causing hemorrhage
Vitamin D causing rickets
Vitamin A causing xerophthalmia
Vitamin E causing anemia
Which is a classic antioxidant role of vitamin E?
Protect cell membranes from oxidation
Enhance rhodopsin light sensitivity
Stimulate calcitriol receptor binding
Increase prothrombin synthesis rate
Excess vitamin D intake is most associated with:
Hemorrhaging due to impaired clotting
Hypercalcemia and soft tissue calcification
Neuromuscular weakness in infants
Liver fibrosis and birth defects
Which best matches vitamin K’s primary function?
Vision via rhodopsin regeneration
Blood clotting via prothrombin synthesis
Calcium absorption in intestinal mucosa
Antioxidant protection of membranes
Newborns are at risk of vitamin K deficiency mainly because:
High oxidative stress depletes tocopherols
Low liver stores of retinoids
Low sunlight reduces cholecalciferol
Low gut bacteria reduces synthesis
Which source pair correctly matches the vitamin predominantly obtained?
Leafy greens provide vitamin K
Wheat germ provides vitamin D
Sunlight provides vitamin E mostly
Fatty fish provide vitamin A only
Recommended dietary allowance noted for α-tocopherol (vitamin E) is closest to:
900 μg RAE per day for men
120 μg per day for men
600 IU per day for adults
15 mg per day for adults
Which deficiency sign is linked with vitamin E?
Night blindness due to rhodopsin loss
Rickets with bone deformities
Hemolytic anemia due to RBC destruction
Prolonged clotting time with bleeding
Which toxicity concern is correctly paired with the vitamin?
Vitamin E invariably causes hemorrhage
Vitamin K commonly causes severe toxicity
Vitamin A may cause birth defects
Vitamin D never leads to kidney stones
Which statement about vitamin D forms is accurate?
D2 synthesized in human skin
D2 is active without conversion
D3 from sunlight and animal foods
D3 exclusive to plant sources
Which nutrient interaction is noted for vitamin E at high intakes?
Competes with calcium absorption
Inhibits calcitriol synthesis pathway
Enhances retinal pigment formation
May interfere with vitamin K clotting
Which role of calcium most directly explains its effect on bone density?
Forming hydroxyapatite structural matrix
Modulating blood clotting cascade
Regulating hormone secretion signals
Facilitating nerve impulse transmission
A patient with low-ionized calcium presents with tetany. Which mechanism best accounts for this symptom?
Reduced ATP in skeletal muscle fibers
Increased sodium retention in kidneys
Instability in neuromuscular excitability thresholds
Excess chloride causing gastric hyperacidity
Which dietary pattern most appropriately supports the adult RDA for calcium?
Milk, yogurt, leafy greens, fortified tofu
Meat, poultry, eggs, cola beverages
Seafood, chocolate, whole grains
Table salt, soy sauce, cured meats
Phosphorus contributes to energy metabolism primarily by its presence in which compound?
Choline phospholipid methyl donor
ATP phosphate groups for energy transfer
Hydrochloric acid gastric secretion
Myoglobin oxygen storage protein
Excess phosphorus intake is most likely to lead to which outcome?
Hypokalemia with irregular heartbeat
Hypernatremia with muscle cramps
Alkalosis from chloride deficiency
Calcification of soft tissues due to imbalance
Magnesium’s role that most closely links it to ATP metabolism is:
Cofactor in 300+ enzymatic reactions
Primary extracellular cation function
Formation of disulfide bonds in proteins
Component of hemoglobin oxygen transport
Which scenario most plausibly causes magnesium deficiency?
High table salt intake increasing sodium
Chronic alcoholism or diuretic use
Excess bananas raising potassium
Low chloride reducing acid-base balance
A man taking high-dose magnesium supplements develops diarrhea and alkalosis. Which intake level context aligns with this risk?
Above UL of 2,300 mg chloride per day
Exceeding AI of 4,700 mg potassium per day
Below AI of 2,300 mg sodium per day
Near RDA of 400 mg magnesium per day
Sodium’s primary physiological identity is:
Major intracellular anion in cytosol
Major extracellular anion in blood
Major extracellular cation in plasma
Major intracellular cation in cells
Which outcome is most characteristic of sodium toxicity from high salt intake?
Protein structure instability from sulfur
Cardiac arrest due to hyperkalemia
Metabolic acidosis with chloride excess
Edema and increased cardiovascular risk
A patient with hypokalemia is most likely to present with:
Nausea and confusion from hypernatremia
Muscle weakness and irregular heartbeat
Diarrhea and metabolic alkalosis
Tetany and calcified soft tissues
Which condition most directly results from inadequate iodine intake during development?
Keshan disease with cardiomyopathy
Fluorosis with mottled teeth and bone pain
Wilson’s disease with copper accumulation
Goiter with impaired thyroid hormone production
Zinc serves which primary biochemical role relevant to genetic material?
Cofactor for DNA and RNA synthesis
Carrier for thyroid hormone transport
Structural component of fluorapatite
Direct antioxidant substituting vitamin E
Fluoride helps prevent dental caries primarily by which mechanism?
Blocking copper absorption in intestines
Enhancing insulin receptor signaling
Increasing salivary iodine concentration
Forming fluorapatite that strengthens enamel
Which pair correctly matches a trace mineral with a notable deficiency outcome?
Zinc—loss of taste and delayed maturity
Fluoride—Wilson’s disease with copper storage
Iodine—gout-like symptoms and joint pain
Chromium—Keshan cardiomyopathy in children
A patient with brittle hair and nails, garlic breath odor, and fatigue is most likely experiencing toxicity from which mineral?
Manganese from leafy vegetables
Copper from shellfish overuse
Fluoride from fluoridated water
Selenium from excessive intake
Which scenario best illustrates strategic use of diet to reduce iron-deficiency anemia risk in a vegetarian?
Combine legumes with vitamin C–rich foods
Rely on tea to aid iron absorption
Avoid fortified cereals in daily meals
Choose only whole grains without fruits
Chromium’s key physiological contribution is most closely related to which process?
Activating thyroid hormones from iodide
Enhancing insulin action and glucose use
Forming collagen in connective tissues
Preventing oxidative damage with vitamin E
Which clinical sign best differentiates fluorosis from simple dental decay?
Enamel fully intact with mild sensitivity
Painful cavities without enamel changes
Smooth enamel with white spots only
Mottled enamel with skeletal effects
Which toxicity profile most aligns with excessive copper accumulation?
Neurological disorder from inhaled dust exposure
Gout-like symptoms involving uric acid
Garlic breath odor and brittle nails
Liver damage with vomiting and Wilson’s disease
Which combination of sources best supports adequate iodine intake for most adults?
Leafy vegetables with tea beverages
Iodized salt with seafood and seaweed
Organ meats with seeds and shellfish
Whole grains with nuts and broccoli
Which principle of diet planning is met when a diet supplies all essential nutrients, fiber, and energy needed to maintain health?
Adequacy of essential needs
Moderation of high-fat foods
Variety of dietary choices
Balance across food groups
A diet that balances calcium from dairy with iron from meat primarily exemplifies which principle?
Nutrient balance proportions
Energy control balance
Variety across meals
Moderation in sweets
Which statement best defines energy density?
Calories per gram
Minerals per cup
Vitamins per serving
Fiber per portion
Choosing fruits over pastries to reduce calories while getting vitamins and fiber is an example of which concept?
Food group rotation
Nutrient density focus
Energy density choice
Portion size control
Moderation in diet primarily means what?
Maximizing protein at meals
Eating sweets every day
Occasional treats within health
Avoiding all fats completely
Rotating between chicken, fish, and tofu to diversify nutrient profiles reflects which principle?
Adequacy of intake
Variety across foods
Moderation in sugar
Energy control targets
Which food group is the major source of carbohydrates, fiber, and B vitamins with a typical recommendation of 6–11 servings per day?
Fruit group
Fats, oils, sweets
Grains group
Milk and dairy
The Milk and Dairy Group primarily provides which nutrients?
Vitamin C and folate
Fiber and B vitamins
Iron and zinc
Calcium and protein
On a Nutrition Facts label, Percent Daily Value (%DV) is typically based on what reference intake?
1,200 kcal diet
1,800 kcal diet
2,000 kcal diet
2,500 kcal diet
If a snack shows 10% DV for calcium, what does one serving provide?
Ten percent of daily calcium
Ten milligrams of calcium
Ten percent of total calories
Ten grams of calcium
Which anthropometric measure primarily estimates muscle mass and fat stores in malnourished adults and children?
Head circumference tracking
Mid-upper arm circumference
Waist circumference measurement
Triceps skinfold thickness
A patient has BMI 27.2 kg/m². Which classification fits this BMI?
Underweight classification
Normal weight status
Obese category
Overweight classification
Unintentional weight loss greater than 5% in one month most likely indicates which situation?
Stable nutritional status
Improved metabolic efficiency
Possible malnutrition or disease
Normal adaptation to exercise
Which data type involves analyzing blood, urine, or tissue to detect nutrient abnormalities?
Dietary recall logs
Biochemical data analysis
Physical examination notes
Clinical symptom records
Which statement best describes the purpose of a 24-hour dietary recall?
Assess nerve conduction velocity
Record foods eaten in the past day
Measure subscapular fat thickness
Calculate bone mineral density
Which waist circumference threshold signals increased metabolic risk?
>110 cm for men, >90 cm for women
>88 cm for men, >102 cm for women
>102 cm for men, >88 cm for women
>95 cm for men, >85 cm for women
Low serum potassium is most likely associated with which clinical manifestation?
Greater fluid retention
Enhanced nerve conduction
Muscle weakness or arrhythmia
Improved cardiac contractility
During physical examination, which finding may suggest chronic energy deficiency?
Rapid hair growth and weight gain
Weakness, dry skin, weight loss
High bone density on imaging
Glowing skin with edema
Which fat distribution pattern is linked with higher cardiometabolic risk?
Android with abdominal fat
Gynoid with hip–thigh fat
Peripheral limb fat only
Uniform subcutaneous fat
Which BMI range is considered normal and carries minimal health risk?
18.5 to 24.9 kg/m²
Greater than or equal to 30 kg/m²
Less than 18.5 kg/m²
25 to 29.9 kg/m²
Which BMI value most commonly marks the threshold for obesity classification in adults?
BMI of 27 kg/m²
BMI of 25 kg/m²
BMI of 30 kg/m²
BMI of 35 kg/m²
Which factor is a behavioral cause that contributes to obesity risk?
Frequent cold exposure
High altitude residence
Daily water fasting
Sedentary lifestyle habits
What is the most appropriate initial strategy to create a moderate energy deficit for weight loss?
Eliminate entire macronutrient groups
Provide fewer calories than expended
Double protein intake immediately
Skip meals on alternating days
A client has weak immunity and delayed wound healing due to low body weight. Which management step is most suitable?
Begin high-intensity interval training
Adopt intermittent fasting schedule
Restrict dietary fat to minimum
Increase nutrient-dense calorie intake
Which health risk is most strongly associated with excess adiposity?
Kidney stone formation
Benign skin nevi growth
Seasonal allergic rhinitis
Type 2 diabetes mellitus
For long-term weight management, which approach best supports maintenance after reaching a healthy weight?
Balanced eating with self-monitoring
Eliminate social support networks
Cycle crash diets every quarter
Stop all physical activity
Using the BMI-based DBW formula DBW (kg) = height (m)² × 22, what is the desirable body weight for an adult 1.70 m tall?
56.1 kilograms
75.4 kilograms
63.6 kilograms
70.0 kilograms
Which formula expresses Body Mass Index (BMI) in metric units?
BMI equals height divided by weight squared
BMI equals weight divided by height squared
BMI equals weight plus height squared
BMI equals weight times height squared
For a non-Asian population, which BMI range is classified as Overweight (at risk)?
Less than 18.5 kg/m²
30.0 to 34.9 kg/m²
25.0 to 29.9 kg/m²
18.5 to 24.9 kg/m²
Using BMI to estimate Desirable Body Weight (DBW), what factor multiplies height squared in meters?
Multiply by 22 to get DBW
Multiply by 30 to get DBW
Multiply by 25 to get DBW
Multiply by 18.5 to get DBW
A person weighs 58 kg and is 1.58 m tall. What is the approximate BMI?
19.80 kg/m²
25.50 kg/m²
23.23 kg/m²
21.00 kg/m²
Which classification corresponds to BMI 35.0–39.9 kg/m²?
Class III Obesity
Normal Weight
Class I Obesity
Class II Obesity
A height of 1.549 m is used to compute DBW via BMI. Which result is closest when multiplying height squared by 22?
About 39.1 kg
About 60.2 kg
About 45.0 kg
About 52.8 kg
