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WorksheetsIron Absorption and Metabolism Quiz
Total questions: 20
Worksheet time: 10mins
What is the main site of iron absorption?
Stomach
Duodenum
Jejunum
Colon
Which protein transports iron in blood?
Ferritin
Transferrin
Hemosiderin
Albumin
Ferritin acts as a?
Transport protein
Storage protein
Enzyme
Hormone
What enhances iron absorption?
Phytates
Oxalates
Vitamin C
Calcium
Which of the following inhibits iron absorption?
Vitamin C
HCl
Tannins
Fructose
Iron is absorbed in which form?
Ferric (Fe³⁺)
Ferrous (Fe²⁺)
Elemental iron
Heme only
Iron overload in thalassemia is an example of?
Primary hemochromatosis
Secondary hemochromatosis
Iron deficiency
Anemia of chronic disease
Hemochromatosis is caused by?
Iron deficiency
Vitamin B12 deficiency
Iron overload
Copper overload
What is the daily iron requirement in males?
10 mg
20 mg
8-10 mg
1 mg
Which of the following is a function of iron?
Electron transport
Hormone synthesis
Bone mineralization
Nerve conduction
Which method is commonly used to determine BMR?
Blood glucose test
Oxygen consumption
Body temperature
ECG
Which hormone decreases BMR?
Thyroxine
Insulin
Glucagon
Growth hormone
What is the calorific value of carbohydrates?
4 kcal/g
9 kcal/g
7 kcal/g
2 kcal/g
Which nutrient has the highest SDA?
Fats
Proteins
Carbohydrates
Vitamins
What is the Respiratory Quotient (RQ) of fats?
1.0
0.8
0.7
1.2
Which of the following is true about dietary fiber?
Provides energy
Raises blood glucose
Delays gastric emptying
Decreases bowel movement
What is the Glycemic Index?
Measure of protein quality
Speed of fat digestion
Effect of food on blood glucose
Insulin secretion level
Kwashiorkor is caused by?
Iron deficiency
Protein deficiency
Vitamin A deficiency
Energy deficiency
Nitrogen balance is positive in?
Starvation
Severe illness
Growth
Cachexia
BMI is calculated as?
Weight × Height
Weight/Height²
Height/Weight
Weight + Height
