Nokea
Which juice secreted by the organs in the alimentary canal plays an important role in the digestion of fats?
- A. Pancreatic juice
- B. Saliva
- C. Bile juice
- D. Hydrochloric acid
Correct Answer: C
Rationale: Bile juice, secreted by the liver, plays an important role in the digestion of fats by emulsifying them. It does not contain enzymes but helps break down fat molecules into smaller droplets for further digestion.
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Adenoids are enlarged:
- A. Palatine tonsil
- B. Pharyngeal tonsil
- C. Lingual tonsil
- D. Laryngeal tonsil
Correct Answer: B
Rationale: Adenoids refer to the enlarged pharyngeal tonsil, located in the nasopharynx, which can obstruct breathing when hypertrophied.
An older adult client asks the nurse why laxatives are frequently required to have a bowel movement. The nurse bases the response to this question on knowledge that:
- A. Older adults frequently abuse laxatives
- B. Laxatives are very often contraindicated in the older population
- C. Enemas are preferred over laxatives to evacuate the bowel
- D. Decreased bowel peristalsis is common in older adults
Correct Answer: D
Rationale: Aging often reduces peristalsis, slowing bowel movements and increasing the need for laxatives.
Which organ in the digestive system absorbs the most water from food?
- A. esophagus
- B. large intestine
- C. small intestine
- D. stomach
Correct Answer: B
Rationale: The large intestine absorbs the most water from food, turning chyme into solid waste.
The muscular tube that extends from the mouth to the anus is called:
- A. the gullet
- B. the intestine
- C. the colon
- D. the alimentary canal
Correct Answer: D
Rationale: The alimentary canal, also known as the digestive tract, is the continuous muscular tube extending from the mouth to the anus, encompassing all digestive organs.
An older adult client asks the nurse why laxatives are frequently required to have a bowel movement. The nurse bases the response to this question on knowledge that:
- A. Older adults frequently abuse laxatives
- B. Laxatives are very often contraindicated in the older population
- C. Enemas are preferred over laxatives to evacuate the bowel
- D. Decreased bowel peristalsis is common in older adults
Correct Answer: D
Rationale: Aging often reduces peristalsis, slowing bowel movements and increasing the need for laxatives.