Nokea
Which body system is NOT a part of the excretory system?
- A. respiratory system
- B. digestive system
- C. circulatory system
- D. urinary system
Correct Answer: C
Rationale: The circulatory system transports substances but is not directly part of excretion.
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Carboxypeptidase requires _______ for its activity
- A. Copper
- B. Niacin
- C. Iron
- D. Zn
Correct Answer: D
Rationale: Carboxypeptidase is a zinc-dependent enzyme that breaks down proteins into amino acids.
Stomach is the main site for the digestion of -
- A. Fats
- B. Carbohydrate
- C. Protein
- D. All of these
Correct Answer: C
Rationale: The stomach primarily digests proteins via pepsin.
The hepatic flexure of the large intestine occurs between the:
- A. transverse colon and descending colon
- B. cecum and ascending colon
- C. ascending colon and transverse colon
- D. descending colon and rectum
Correct Answer: C
Rationale: The hepatic flexure is located between the ascending colon and the transverse colon.
Nutrients like calcium and zinc are often referred to as
- A. proteins
- B. minerals
- C. fats
- D. vitamins
Correct Answer: B
Rationale: Calcium and zinc are classified as minerals, essential inorganic nutrients.
Which process matches the definition: The process of distributing absorbed nutrients to the cells of the body for growth and repair?
- A. Ingestion
- B. Absorption
- C. Assimilation
- D. Peristalsis
Correct Answer: C
Rationale: Assimilation involves distributing absorbed nutrients to body cells for use.