PrepTest 112, Section 2, Question 19
Discussions of how hormones influence behavior have generally(431 more words not shown)
According to the passage, all(12 more words not shown)
- AHunger is(1 more words not shown)
- BThirst is(1 more words not shown)
- CVasopressin is(1 more words not shown)
- DWater is(1 more words not shown)
- ESodium is(1 more words not shown)
Reading the passage
Four of these should occur somewhere in the account. We don't need them all to happen together: shedding excess water and retaining water respond to opposite problems. I'll check each claim rather than try to reconstruct every technical detail from memory.
Working the answers
- ACorrect
Hunger is never described as being diminished. Water and salt consumption are discussed, but that doesn't establish a reduction in hunger.
- B
Thirst is stimulated when concentration rises beyond what the physiological response alone can handle. This is described at the end.
- C
Increased concentration stimulates vasopressin release. Its secretion is part of the water-conserving response.
- D
Excess water is excreted in urine after the fluids become too dilute. That response is explicitly included.
- E
The first paragraph says homeostasis involves changes in how much water and sodium enter and leave the body. Intake is consumption, so sodium consumption is included.
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