Nokea
Gastric lipase is secreted by -
- A. Stomach
- B. Pancreas
- C. Liver
- D. Ileum
Correct Answer: A
Rationale: Gastric lipase is secreted by the stomach to initiate fat digestion.
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Amylase in saliva initiates digestion of:
- A. lipids
- B. proteins
- C. fats
- D. carbohydrates
Correct Answer: D
Rationale: Salivary amylase breaks down carbohydrates into simpler sugars.
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.
The disease caused due to deficiency of nicotinic acid is
- A. Anaemia
- B. Osteomalacia
- C. Xerophthalmia
- D. Pellagra
Correct Answer: D
Rationale: Pellagra is caused by a deficiency of niacin (nicotinic acid), leading to symptoms like dermatitis, diarrhea, and dementia.
When administered intravenously, this hormone has the capability to initiate a phase of robust sequential contractions in the proximal duodenum, which gradually moves towards the cecum:
- A. Cholecystokinin (CCK)
- B. Gastrin
- C. Motilin
- D. Secretin
Correct Answer: C
Rationale: Motilin triggers the migrating motor complex, initiating strong contractions from the duodenum to the cecum during fasting.
The glucose is converted into glycogen in liver and stored in :
- A. Liver
- B. Liver and muscles
- C. Liver and spleen
- D. Spleen and muscles
Correct Answer: B
Rationale: Glucose is stored as glycogen in both the liver and skeletal muscles.