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WorksheetsFood and Energy Metabolism Quiz
Total questions: 50
Worksheet time: 25mins
What is the process of transforming food into units of absorption called?
Digestion
Excretion
Absorption
Metabolism
Which part of the digestive system retains the bolus for a while before transferring it?
Small intestine
Stomach
Esophagus
Mouth
What is the semi-liquid mass called that food is transformed into in the stomach?
Acid
Gastric juice
Chyme
Bolus
Which nutrient is absorbed by simple diffusion in the small intestine?
Amino acids
Water
Vitamins
Glucose
What type of energy metabolism involves the breakdown of larger molecules into smaller ones?
Catabolic
Endothermic
Anabolic
Metabolic
How many kilocalories does 1g of carbohydrates provide?
2 kcal
4 kcal
6 kcal
9 kcal
What is the primary energy reserve in the body?
Carbohydrates
Proteins
Fats
Vitamins
Which system produces lactic acid during high-intensity exercise?
ATP-PCr system
Oxidative system
Glycolytic system
Krebs cycle
What is the basic unit of protein?
Glucose
Fatty acid
Amino acid
Glycerol
What is the process called when triglycerides are broken down into glycerol and fatty acids?
Krebs cycle
Beta-oxidation
Lipolysis
Glycolysis
Which energy system is classified as the fastest in releasing energy?
ATP-PCr system
Glycolytic system
Oxidative system
Lactic acid system
What is the end product of carbohydrate oxidation in the electron transport chain?
Pyruvate
Lactic acid
Acetyl CoA
ATP
What is the nitrogen balance when the amount of nitrogen ingested is greater than the amount excreted?
Positive nitrogen balance
Negative nitrogen balance
Neutral nitrogen balance
Zero nitrogen balance
Which type of transport requires energy to move nutrients against a concentration gradient?
Simple diffusion
Facilitated diffusion
Passive transport
Active transport
What is the primary function of the epiglottis during swallowing?
To aid in digestion
To close off air passages
To mix food with saliva
To transport food to the stomach
What is the primary function of carbohydrates in the body?
Energy source
Building blocks for proteins
Storage of genetic information
Regulation of body temperature
Which vitamin is primarily involved in calcium absorption?
Vitamin A
Vitamin B12
Vitamin C
Vitamin D
What is the main byproduct of anaerobic respiration in muscle cells?
Carbon dioxide
Oxygen
Lactic acid
Glucose
What is the primary function of lipids in the body?
Energy storage
Building blocks for carbohydrates
Transport of oxygen
Regulation of hormones
Which process converts glucose into pyruvate?
Glycolysis
Fermentation
Oxidative phosphorylation
Beta-oxidation
What is the main source of energy during prolonged exercise?
Carbohydrates
Proteins
Fats
Vitamins
What is the primary role of proteins in the body?
Energy source
Building and repairing tissues
Storage of genetic information
Regulation of body temperature
Which mineral is essential for oxygen transport in the blood?
Calcium
Iron
Magnesium
Zinc
What is the primary role of the small intestine in the digestive process?
Absorption of nutrients
Storage of food
Production of bile
Secretion of digestive enzymes
Which enzyme is responsible for breaking down carbohydrates in the mouth?
Amylase
Pepsin
Lipase
Trypsin
What is the main function of the large intestine?
Absorption of water and electrolytes
Digestion of proteins
Production of insulin
Storage of bile
Which vitamin is essential for the synthesis of collagen?
Vitamin A
Vitamin C
Vitamin E
Vitamin K
What is the main function of the pancreas in the digestive system?
Production of insulin
Secretion of bile
Digestion of carbohydrates
Absorption of nutrients
What is the primary function of the liver in metabolism?
Detoxification of harmful substances
Production of digestive enzymes
Storage of glucose
Regulation of body temperature
Which type of fat is considered healthy and beneficial for heart health?
Saturated fat
Trans fat
Monounsaturated fat
Cholesterol
What is the role of bile in the digestive process?
Emulsification of fats
Digestion of proteins
Absorption of carbohydrates
Neutralization of stomach acid
What is the main source of energy for high-intensity exercise?
Fats
Proteins
Carbohydrates
Vitamins
What is the primary function of dietary fiber in the digestive system?
Energy source
Regulation of blood sugar
Promotion of bowel health
Absorption of nutrients
Which nutrient is primarily responsible for muscle repair and growth?
Carbohydrates
Proteins
Fats
Vitamins
What is the role of bile in the digestive process?
Emulsification of fats
Digestion of proteins
Absorption of carbohydrates
Production of insulin
What is the primary function of the gallbladder?
Storage of bile
Production of digestive enzymes
Detoxification of blood
Regulation of blood sugar
What is the primary role of antioxidants in the body?
Energy production
Protection against free radicals
Regulation of metabolism
Support of immune function
Which vitamin is essential for vision?
Vitamin A
Vitamin B6
Vitamin C
Vitamin K
Which type of carbohydrate is known for providing quick energy?
Complex carbohydrates
Simple carbohydrates
Fiber
Starch
What is the primary role of enzymes in the body?
Storage of energy
Facilitation of biochemical reactions
Transport of nutrients
Regulation of body temperature
What is the primary source of dietary fat?
Vegetable oils
Whole grains
Fruits
Legumes
Which mineral is crucial for muscle contraction?
Calcium
Potassium
Sodium
Phosphorus
What type of carbohydrate is primarily found in fruits and vegetables?
Starch
Fiber
Sugar
Glycogen
What is the term for the process of converting glucose into glycogen for storage?
Glycogenesis
Glycogenolysis
Glycolysis
Gluconeogenesis
Which mineral is crucial for the formation of thyroid hormones?
Iodine
Iron
Calcium
Zinc
Which organ is primarily responsible for detoxification in the body?
Kidneys
Liver
Pancreas
Spleen
What type of fat is primarily found in fish and is known for its heart health benefits?
Saturated fat
Trans fat
Omega-3 fatty acids
Monounsaturated fat
What is the term for the process of breaking down glycogen into glucose?
Glycogenesis
Glycogenolysis
Glucagon
Gluconeogenesis
Which type of fiber is known for its ability to lower cholesterol levels?
Soluble fiber
Insoluble fiber
Functional fiber
Dietary fiber
Which type of carbohydrate is primarily responsible for long-term energy storage?
Simple carbohydrates
Complex carbohydrates
Starch
Glycogen
