Nokea
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.
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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.
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 break down products of fat molecules can pass directly through the cell membrane. Why?
- A. Fats are soluble in the membrane because the membrane is made of phospholipids
- B. Fats pass through via a protein pump
- C. Fats pass through via a protein channel
- D. Fats are transported through with a special device called a transporter
Correct Answer: A
Rationale: Fat breakdown products (fatty acids and glycerol) are lipid-soluble and can diffuse through the phospholipid bilayer of cell membranes.
Cheek teeth are-
- A. Incisors and Canines
- B. Canines and Premolars
- C. Premolars and Molar
- D. Canines and Molars
Correct Answer: C
Rationale: Cheek teeth refer to premolars and molars, located in the back of the mouth for grinding food.
The enzymes present in pancreatic juice are
- A. Amylase, Trypsinogen, Peptidase, Rennin
- B. Trypsinogen, Lipase, Amylase, Procarboxypeptidase
- C. Peptidase, Pepsin, Amylase, Rennin
- D. Maltase, Amylase, Trypsinogen, Pepsin
Correct Answer: B
Rationale: Pancreatic juice contains amylase, lipase, trypsinogen, and procarboxypeptidase for digesting carbohydrates, fats, and proteins.