Biological Psychology Ch 9 Quiz
An advantage of maintaining a constant body temperature is that it
enables an animal to stay equally active at all environmental temperatures.
Fructose, used in corn syrup as a sweetener, may lead to increased obesity by
failing to trigger satiety
On average, people with bulimia show a variety of biochemical abnormalities, including increased production of
ghrelin
Sodium-specific hunger is closely associated with ____.
hypovolemic thirst
Taste and other mouth sensations contribute to ____.
satiety
(T or F) The physiological changes that defend body temperature depend on areas in and near the hypothalamus.
True
A common misconception is that eating turkey increases the body's supply of ____, which enables the brain to make chemicals that make you sleepy.
tryptophran
(T or F) Orexin inhibits appetite.
False
(T or F) Homeostasis refers to temperature regulation and other biological processes that keep body variables within a fixed range.
True
A set point refers to
a very narrow range that the body works to maintain at a stable level
Vasopressin raises blood pressure by
constricting the blood vessels
Lenora loves eating carbohydrates. When she does, they are initially broken down in her
mouth
(T or F) Allyn suffers from anorexia. After she eats, she purges her food by forcing herself to vomit.
False
(T or F) Paige wants to lose weight. The most effective long-term plan is for her to limit her intake of sweet foods.
False
(T or F) Obese people tend to produce more insulin than people of normal weight.
True
Pamala has a fever of 107f. Her doctor is concerned because
at this temperature, she is starting to damage her own body cells
What does the eating cycle of bulimia have in common with addictive drugs?
both activate the brain's reinforcement areas
What kind of thirst is produced by an increased concentration of solutes in the blood?
osmotic
What is the main site for absorption of digested food into the bloodstream?
small intestine
Which hormone, released by the posterior pituitary, both raises blood pressure and enables the kidneys to reabsorb water?
vasopressin