Nokea
Ptyalin is secreted by and work in medium.
- A. Stomach, acidic
- B. Salivary gland, slightly acidic
- C. Pancreas, alkaline
- D. Bile, alkaline
Correct Answer: B
Rationale: Ptyalin (salivary amylase) is secreted by salivary glands and works in a slightly acidic to neutral pH.
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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.
In which order do these events occur in human nutrition?
- A. digestion→ ingestion→ absorption→ assimilation
- B. digestion→ ingestion→ assimilation→ absorption
- C. ingestion→ digestion→ absorption→ assimilation
- D. ingestion→ digestion→ assimilation→ absorption
Correct Answer: C
Rationale: Food is first ingested, then digested, absorbed into the bloodstream, and finally assimilated into cells.
All the following are contents of space of Disse except:
- A. Pit cells
- B. Unmyelinated nerve fibers
- C. Ito cells
- D. Kupffer cells
Correct Answer: D
Rationale: Kupffer cells are in the sinusoidal lumen, not the space of Disse, which contains Ito cells, plasma, and microvilli.
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.
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.