Nokea
A lack of functioning salivary amylase would prevent an individual from being able to digest lactose
- A. TRUE
- B. FALSE
Correct Answer: B
Rationale: Salivary amylase digests starches, not lactose. Lactose digestion occurs in the small intestine via lactase.
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Largest gland of body -
- A. Pancreas
- B. Duodenum
- C. Liver
- D. Thyroid
Correct Answer: C
Rationale: The liver is the largest gland in the human body, performing numerous metabolic functions.
Where are the osmoreceptors located?
- A. Kidney
- B. Hypothalamus
- C. Pituitary
- D. Liver
Correct Answer: B
Rationale: Osmoreceptors in the hypothalamus detect blood osmolarity changes.
Obstruction of the common bile duct by gallstones would most likely affect the digestion of:
- A. carbohydrates
- B. fats
- C. proteins
- D. nucleic acids
Correct Answer: B
Rationale: Bile is essential for the emulsification and digestion of fats. An obstruction in the common bile duct would impair fat digestion.
Choose the answer which lists the correct order of the digestion process.
- A. A, C, D, B
- B. C, D, A, B
- C. C, A, D, B
- D. D, C, A, B
Correct Answer: B
Rationale: The correct order is: Food is ingested (C), digested (D), nutrients absorbed (A), and undigested food eliminated (B).
Chymotrypsin is-
- A. Proteolytic enzyme
- B. Fat digestive enzyme
- C. Vitamin
- D. Hormone
Correct Answer: A
Rationale: Chymotrypsin is a proteolytic enzyme secreted by the pancreas.