Quiz 9
When food distends the duodenum, the duodenum releases which hormone?
CCK
A set point refers to ____.
a very narrow range that the body works to maintain at a stable level
The brain finds out about the degree of stretch of the stomach from ____.
activity of the vagus nerve
Poikilothermic organisms have body temperatures that ____.
are the same as the temperatures of their environments
How do amphibians and reptiles control their body temperature?
by choosing an appropriate area of the environment
People who are lactose intolerant can consume a little milk, and larger amounts of ____, which are easier to digest.
cheese and yogurt
Homeostasis is to ____ as allostasis is to ____.
constant; variable
In response to infection, leukocytes release proteins called
cytokines
The small intestine ____.
digests proteins, fats, and carbohydrates
One advantage of being homeothermic is that it ____.
enables the individual to stay active when the environment is cool
The term ____ refers to temperature regulation and other biological processes that keep body variables within a fixed range.
homeothermic
Which hormone controls the rate at which glucose leaves the blood and enters the cells?
insulin
A fever ____.
is part of the body's defense against an illness
The temperature required by reproductive cells of birds and most mammals is ____.
lower than the rest of the body
Which group would most likely benefit from taking leptin?
obese people who fail to produce leptin
Which area of the hypothalamus seems to be critical for the ending of meals?
paraventricular nucleus
Ghrelin is associated with ____ in the periphery and ____ in the brain.
stomach contractions; excitation of the arcuate nucleus
The vagus nerve is to ____ as the splanchnic nerves are to ____.
stomach fullness; nutrient contents of the stomach
The POA/AH monitors body temperature partly by monitoring ____.
its own temperature
After damage in and around the ventromedial hypothalamus, animals are more likely to ____.
overeat and gain weight