Nokea
The primary site for absorption of water by the digestive system is the:
- A. oesophagus
- B. colon (large intestine)
- C. small intestine
- D. liver
Correct Answer: B
Rationale: The colon (large intestine) is the primary site for water absorption, consolidating waste into feces.
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Space of Disse contain the following EXCEPT:
- A. Plasma
- B. Blood cells
- C. Lipocytes (ITO) cells
- D. Irregular microvilli projecting from hepatocytes
Correct Answer: B
Rationale: The space of Disse contains plasma, Ito cells, and hepatocyte microvilli, but blood cells remain in the sinusoids.
The glomerular capillaries are where?
- A. Collecting duct
- B. Bowman's capsule
- C. Loop of Henle
- D. Proximal convoluted tubule
Correct Answer: B
Rationale: Glomerular capillaries are in Bowman's capsule, where filtration occurs.
Match: Lacteal
- A. absorbs fat within the villi
- B. transports oxygen
- C. produces mucus
- D. secretes enzymes
Correct Answer: A
Rationale: Lacteals are lymphatic capillaries within the villi that absorb dietary fats.
Which of the following is not a function of the pancreas?
- A. neutralization of gastric juice
- B. Production of amylase
- C. Secretion of lipases to break down fats into glycerol and fatty acids
- D. Secretion of pepsin
Correct Answer: D
Rationale: The pancreas does not secrete pepsin; this enzyme is produced by the stomach to digest proteins.
A client who has not been allowed to eat for several days is ordered to begin a full liquid diet. The nurse can encourage the client to begin eating using which of the following statements?
- A. Your stomach can expand as you eat'
- B. Your stomach has permanently shrunk'
- C. You don't need to eat yet'
- D. Liquids won't help your stomach'
Correct Answer: A
Rationale: The stomach's rugae allow it to expand with food intake, countering the client's concern.