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Quiz 5 >> Answers
Biopsychology: Answers to Quiz 5
1.
____________ injection eliminates all of the major effects of adult orchidectomy except ____________.
Answer:
1. Testosterone
2. sterility
2.
If you were to double your daily caloric intake, you would gain weight, but your rate of gain would gradually decrease until your weight would stabilize at a new higher level. This negatively accelerated pattern of weight gain is largely attributable to increases in _______________.
Answer: diet-induced thermogenesis
3.
In experiments on eating and blood glucose levels, decreases of blood glucose are typically induced in laboratory animals by injections of ________.
Answer: insulin
4.
In the sexual hormonal cascade, _____________ hormones from the ____________ trigger the release of ____________ from the __________ pituitary, which in turn trigger the release of sex hormones from the gonads.
Answer:
1. gonadotropin-releasing
2. hypothalamus
3. gonadotropin
4. anterior
5.
When it comes to compensating for a particular vitamin or mineral deficiency, the mechanism of compensation for ____________ deficiency is unique.
Answer: sodium
6.
When offered a variety of foods rather than one food, subjects tend to eat more because satiety is ______________.
Answer: sensory-specific
7.
Paradoxically, in some species, testosterone must be ____________ to ____________ before it can masculinize the brain.
Answer:
1. converted/aromatized
2. estradiol
8.
Evidence suggests that _____________ and some ____________ can serve as neurochemical satiety signals in the body.
Answer: serotonin agonists and some peptides
9.
How many of the hormones released form the ovaries are not released from the testes?
Answer: 0
10.
The scrotum is to the labia majora as the head of the penis is to the __________.
Answer: clitoris
11.
Because their molecules are small and fat-soluble, ________ hormones can readily penetrate cell membranes.
Answer: steroid
12.
_______________, the most common ______________, prepares the uterus and breasts for pregnancy.
Answer:
1. Progesterone
2. progestin
13.
Paradoxically, starving people can be adversely affected by large _________.
Answer: quantities of food
14.
What is the major difference between the negative feedback mechanisms of set-point models and those of settling point models?
Answer:
In case of a weight change, negative feedback:
- triggers return of the weight to the set point (set point mechanism), or
- limits further changes in the same direction (settling point mechanism).
15.
Rats with lesions of the _________________ are like misers who immediately deposit all the money that they make in a bank from which withdrawals cannot be made.
Answer: ventromedial hypothalamus (VMH)
16.
People living on the island of ______ have been carefully studied because they tend to eat fewer _______than prescribed by conventional wisdom yet they tend to be remarkably _______ and tend to live ________ lives.
Answer:
1. Okinawa
2. calories
3. healthy
4. longer
17.
According to the analysis of Woods and his colleagues, the feelings that one gets just before a regular meal time are caused by the _________ of the meal.
Answer: expectation
18.
An influential early study of the physiology of hunger, found that subjective hunger pangs were correlated with ______________.
Answer: empty stomach contractions
19.
If a person changes her eating habits and starts to consistently eat more, the resulting increase in body weight will be less than that predicted from the increased intake of calories because of the compensatory effects of _______________.
Answer: diet-induced thermogenesis
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