BIOD121 Essentials in Nutrition TEST BANK EXAM MODULE 3

2025 BIOD121 Essentials in Nutrition TEST
BANK EXAM MODULE 3


Description


Module 3 focuses on micronutrients (vitamins & minerals), their biochemical

roles, fluid & electrolyte balance, antioxidants, blood health, and water-soluble

vs fat-soluble nutrient functions.




QUESTIONS


1. Fat-soluble vitamins include:


A. B and C

B. A, D, E, K

C. Thiamine and riboflavin

D. Folate and B12

Answer: B – These dissolve in fat and are stored in the body.


2. Water-soluble vitamins are mainly absorbed in the:

,2025 BIOD121 Essentials in Nutrition TEST
BANK EXAM MODULE 3
A. Stomach

B. Ileum

C. Jejunum

D. Colon

Answer: C – Most B vitamins and vitamin C absorb in the jejunum.


3. Vitamin A is important for:


A. Blood clotting

B. Vision

C. Calcium balance

D. Nerve impulses

Answer: B – Essential for retinal function.


4. Vitamin D’s main function is to regulate:


A. Sodium

B. Calcium and phosphorus

C. Blood pressure

D. Bile flow

Answer: B

,2025 BIOD121 Essentials in Nutrition TEST
BANK EXAM MODULE 3
5. Deficiency of vitamin D causes:


A. Scurvy

B. Rickets

C. Night blindness

D. Anemia

Answer: B – Weak bones in children.


6. Vitamin K is essential for:


A. Digestion

B. Vision

C. Blood clotting

D. Insulin secretion

Answer: C


7. Vitamin E acts as a:


A. Hormone

B. Antioxidant

C. Mineral

, 2025 BIOD121 Essentials in Nutrition TEST
BANK EXAM MODULE 3
D. Coenzyme

Answer: B


8. Which vitamin prevents scurvy?


A. B6

B. A

C. C

D. K

Answer: C – Vitamin C deficiency causes scurvy.


9. Thiamine deficiency results in:


A. Pellagra

B. Beriberi

C. Rickets

D. Anemia

Answer: B


10. Pellagra is caused by deficiency of: