Ingestive Behavior: Drinking

1
Ingestive Behavior Drinking

• Test prep questions

2
An essential feature of all regulatory mechanisms
is

• a. a satiety mechanism.
• b. negative feedback.
• c. continuous feedback.
• d. a neural control mechanism.

3
The ___ of the interstitial fluid must be closely
regulated, but its ___ usually remains within
normal limits.

• a. production excretion
• b. excretion volume
• c. tonicity volume
• d. volume tonicity

4
If we drink more water than we need, ___
secretion of ___ causes the kidneys to excrete
more ___.

• a. decreased vasopressin water
• b. decreased aldosterone water
• c. increased vasopressin sodium
• d. increased aldosterone sodium

5
The detectors for volumetric thirst are located
in the

• a. posterior pituitary gland and the
  hypothalamus.
• b. kidneys and the bladder.
• c. kidneys and in the heart.
• d. stomach and large intestine.

6
Angiotensin is ___, and ___ the blood brain
barrier.

• a. both a peptide and a hormone does not cross
• b. a peptide crosses
• c. both a hormone and a transmitter substance
  crosses
• d. an enzyme does not cross

7
The effects of the subfornical organ on drinking
occur through its ___ outputs.

• a. autonomic
• b. behavioral
• c. endocrine
• d. metabolic

8
Lesions of the zona incerta

• a. have no effect on the stimuli for volumetric
  thirst.
• b. stimulate salt intake.
• c. abolish drinking in response to injections of
  the colloid polyethylene glycol.
• d. produce a profound deficit in osmometric
  drinking.

9
Where does aldosterone appear to exert its
behavioral effects?

• a. medial nucleus of the amygdala.
• b. lateral hypothalamus.
• c. zona incerta.
• d. median preoptic nucleus.