Nokea
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).
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What is the name of the tube that carries food from the mouth to the stomach?
- A. Trachea
- B. Oesophagus
- C. Duodenum
- D. Food tube
Correct Answer: B
Rationale: The esophagus is the muscular tube that transports food from the mouth to the stomach. The trachea is for air, the duodenum is part of the small intestine, and 'food tube' is not a scientific term.
Absorption of digested food chiefly occurs in-
- A. Stomach
- B. Colon
- C. Small Intestine
- D. Large Intestine
Correct Answer: C
Rationale: The small intestine is the primary site for nutrient absorption due to its large surface area.
A patient presents with persistent bloating, gas, and diarrhea after consuming dairy products. Which of the following is the most likely cause of these symptoms?
- A. Impaired carbohydrate digestion
- B. Impaired protein digestion
- C. Impaired fat digestion
- D. Impaired lactose digestion
Correct Answer: D
Rationale: Lactose intolerance, due to lactase deficiency, leads to impaired lactose digestion, causing bloating, gas, and diarrhea after dairy consumption.
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.
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.