Question 1

Homeostasis refers to temperature regulation and other biological processes that keep body variables within a fixed range.

Accepted Answer

A) True 
 B)False  True

Question 2

​Leptin directly activates receptors in the part of the hypothalamus known as the ____.

Accepted Answer

A) paraventricular nucleus 
B) ventromedial hypothalamus​ 
C) arcuate nucleus​ 
D) lateral preoptic area​ 
A) paraventricular nucleus 
B) ventromedial hypothalamus​ 
C) arcuate nucleus​ 
D) lateral preoptic area​ C

Question 3

​The lateral preoptic area and surrounding parts of the hypothalamus control ____.

Accepted Answer

A) CCK levels 
B) hunger​ 
C) drinking​ 
D) vasopressin levels​ 
A) CCK levels 
B) hunger​ 
C) drinking​ 
D) vasopressin levels​ C

Question 4

​Hypovolemic thirst ____.

Accepted Answer

A) depends mostly on the lateral preoptic area 
B) can be satisfied better by salt water than by pure water​ 
C) is stimulated by an increased concentration of solutes in the blood​ 
D) can only be satisfied by drinking a great deal of pure water​ 
A) depends mostly on the lateral preoptic area 
B) can be satisfied better by salt water than by pure water​ 
C) is stimulated by an increased concentration of solutes in the blood​ 
D) can only be satisfied by drinking a great deal of pure water​

Question 5

​The ____ increases the pituitary gland's secretion of hormones that increase insulin secretion.

Accepted Answer

A) occipital cortex 
B) lateral hypothalamus​ 
C) medial part of the hypothalamus​ 
D) pineal gland​ 
A) occipital cortex 
B) lateral hypothalamus​ 
C) medial part of the hypothalamus​ 
D) pineal gland​

Question 6

​Output from the paraventricular nucleus acts on the ____.

Accepted Answer

A) preoptic area 
B) ventromedial hypothalamus​ 
C) lateral hypothalamus​ 
D) baroreceptors​ 
A) preoptic area 
B) ventromedial hypothalamus​ 
C) lateral hypothalamus​ 
D) baroreceptors​

Question 7

​Anorexia is a problem stemming from a lack of appetite.

Accepted Answer

A) True 
 B)False

Question 8

​Leptin is produced by ____.

Accepted Answer

A) the paraventricular nucleus 
B) body fat​ 
C) neuropeptide Y​ 
D) orexin A​ 
A) the paraventricular nucleus 
B) body fat​ 
C) neuropeptide Y​ 
D) orexin A​

Question 9

​Electrical stimulation of a rat's lateral hypothalamus would most likely result in ____.

Accepted Answer

A) an increase in food seeking behaviors 
B) a decrease in food seeking behaviors​ 
C) a decrease in chewing and other reflexes associated with eating​ 
D) damage to dopamine-containing axons passing through it​ 
A) an increase in food seeking behaviors 
B) a decrease in food seeking behaviors​ 
C) a decrease in chewing and other reflexes associated with eating​ 
D) damage to dopamine-containing axons passing through it​

Question 10

​Which event would lead to eating a larger than normal meal?

Accepted Answer

A) increasing leptin levels 
B) decreasing NPY levels​ 
C) increasing NPY levels​ 
D) damaging the lateral hypothalamus​ 
A) increasing leptin levels 
B) decreasing NPY levels​ 
C) increasing NPY levels​ 
D) damaging the lateral hypothalamus​

Question 11

​An animal is most likely to eat more frequently and gain weight after damage to the ____.

Accepted Answer

A) preoptic area 
B) areas surrounding the third ventricle​ 
C) ventromedial hypothalamus​ 
D) lateral hypothalamus​ 
A) preoptic area 
B) areas surrounding the third ventricle​ 
C) ventromedial hypothalamus​ 
D) lateral hypothalamus​

Question 12

​Beyond about 40° or 41°C,____ begin to break their bonds and lose their useful properties.

Accepted Answer

A) RNA 
B) DNA​ 
C) cells​ 
D) proteins​ 
A) RNA 
B) DNA​ 
C) cells​ 
D) proteins​

Question 13

​After a lesion to the lateral preoptic area,a rat would react to an increase in sodium levels by ____.

Accepted Answer

A) drinking less and excreting highly concentrated urine 
B) drinking more and excreting a great deal of dilute urine​ 
C) increasing its activity level without changing the amount it drinks​ 
D) sweating profusely, but not drinking much​ 
A) drinking less and excreting highly concentrated urine 
B) drinking more and excreting a great deal of dilute urine​ 
C) increasing its activity level without changing the amount it drinks​ 
D) sweating profusely, but not drinking much​

Question 14

​A drug that stimulates melanocortin receptors would most likely ____.

Accepted Answer

A) increase meal frequency 
B) increase leptin production​ 
C) decrease meal size​ 
D) increase meal size​ 
A) increase meal frequency 
B) increase leptin production​ 
C) decrease meal size​ 
D) increase meal size​

Question 15

​More Native American Pimas are overweight now than in the early 1900s because of a change in which aspect of their lives?

Accepted Answer

A) diet 
B) stress​ 
C) exercise​ 
D) education​ 
A) diet 
B) stress​ 
C) exercise​ 
D) education​

Question 16

​The large intestine absorbs water and minerals.

Accepted Answer

A) True 
 B)False

Question 17

​Homeothermic organisms include ____.

Accepted Answer

A) amphibians and reptiles 
B) reptiles and fish​ 
C) amphibians and fish​ 
D) mammals and birds​ 
A) amphibians and reptiles 
B) reptiles and fish​ 
C) amphibians and fish​ 
D) mammals and birds​

Question 18

​The hormone aldosterone results in the ____.

Accepted Answer

A) conservation of water 
B) excretion of sodium​ 
C) conservation of sodium​ 
D) decreased preference for salty tastes​ 
A) conservation of water 
B) excretion of sodium​ 
C) conservation of sodium​ 
D) decreased preference for salty tastes​

Question 19

​Which area of the hypothalamus seems to be critical for the ending of meals?

Accepted Answer

A) lateral hypothalamus 
B) ventromedial hypothalamus​ 
C) preoptic area​ 
D) paraventricular nucleus​ 
A) lateral hypothalamus 
B) ventromedial hypothalamus​ 
C) preoptic area​ 
D) paraventricular nucleus​

Question 20

​The ability to digest lactose varies in a patchy way from place to place on which continent?

Accepted Answer

A) Asia 
B) Europe​ 
C) Africa​ 
D) Antarctica​ 
A) Asia 
B) Europe​ 
C) Africa​ 
D) Antarctica​

Homeostasis refers to temperature regulation and other biological processes that keep body variables within a fixed range.

Leptin directly activates receptors in the part of the hypothalamus known as the ____.

The lateral preoptic area and surrounding parts of the hypothalamus control ____.

Hypovolemic thirst ____.

The ____ increases the pituitary gland's secretion of hormones that increase insulin secretion.

Output from the paraventricular nucleus acts on the ____.

Anorexia is a problem stemming from a lack of appetite.

Leptin is produced by ____.

Electrical stimulation of a rat's lateral hypothalamus would most likely result in ____.

Which event would lead to eating a larger than normal meal?

An animal is most likely to eat more frequently and gain weight after damage to the ____.

Beyond about 40° or 41°C,____ begin to break their bonds and lose their useful properties.

After a lesion to the lateral preoptic area,a rat would react to an increase in sodium levels by ____.

A drug that stimulates melanocortin receptors would most likely ____.

More Native American Pimas are overweight now than in the early 1900s because of a change in which aspect of their lives?

The large intestine absorbs water and minerals.

Homeothermic organisms include ____.

The hormone aldosterone results in the ____.

Which area of the hypothalamus seems to be critical for the ending of meals?

The ability to digest lactose varies in a patchy way from place to place on which continent?

Nerve Cells and Nerve Impulses

Synapses

Anatomy and Research Methods

Genetics, evolution, development, and Plasticity

Vision

Other Sensory Systems

Movement

Wakefulness and Sleep

Reproductive Behaviors

Emotional Behaviors

The Biology of Learning and Memory

Cognitive Functions

Psychological Disorders

Appendix A: Brief, basic Chemistry

Filters

Exam 9: Internal Regulation

Homeostasis refers to temperature regulation and other biological processes that keep body variables within a fixed range.

​Leptin directly activates receptors in the part of the hypothalamus known as the ____.

​The lateral preoptic area and surrounding parts of the hypothalamus control ____.

​Hypovolemic thirst ____.

​The ____ increases the pituitary gland's secretion of hormones that increase insulin secretion.

​Output from the paraventricular nucleus acts on the ____.

​Anorexia is a problem stemming from a lack of appetite.

​Leptin is produced by ____.

​Electrical stimulation of a rat's lateral hypothalamus would most likely result in ____.

​Which event would lead to eating a larger than normal meal?

​An animal is most likely to eat more frequently and gain weight after damage to the ____.

​Beyond about 40° or 41°C,____ begin to break their bonds and lose their useful properties.

​After a lesion to the lateral preoptic area,a rat would react to an increase in sodium levels by ____.

​A drug that stimulates melanocortin receptors would most likely ____.

​More Native American Pimas are overweight now than in the early 1900s because of a change in which aspect of their lives?

​The large intestine absorbs water and minerals.

​Homeothermic organisms include ____.

​The hormone aldosterone results in the ____.

​Which area of the hypothalamus seems to be critical for the ending of meals?

​The ability to digest lactose varies in a patchy way from place to place on which continent?

Nerve Cells and Nerve Impulses

Synapses

Anatomy and Research Methods

Genetics, evolution, development, and Plasticity

Vision

Other Sensory Systems

Movement

Wakefulness and Sleep

Reproductive Behaviors

Emotional Behaviors

The Biology of Learning and Memory

Cognitive Functions

Psychological Disorders

Appendix A: Brief, basic Chemistry

Filters

Leptin directly activates receptors in the part of the hypothalamus known as the ____.

The lateral preoptic area and surrounding parts of the hypothalamus control ____.

Hypovolemic thirst ____.

The ____ increases the pituitary gland's secretion of hormones that increase insulin secretion.

Output from the paraventricular nucleus acts on the ____.

Anorexia is a problem stemming from a lack of appetite.

Leptin is produced by ____.

Electrical stimulation of a rat's lateral hypothalamus would most likely result in ____.

Which event would lead to eating a larger than normal meal?

An animal is most likely to eat more frequently and gain weight after damage to the ____.

Beyond about 40° or 41°C,____ begin to break their bonds and lose their useful properties.

After a lesion to the lateral preoptic area,a rat would react to an increase in sodium levels by ____.

A drug that stimulates melanocortin receptors would most likely ____.

More Native American Pimas are overweight now than in the early 1900s because of a change in which aspect of their lives?

The large intestine absorbs water and minerals.

Homeothermic organisms include ____.

The hormone aldosterone results in the ____.

Which area of the hypothalamus seems to be critical for the ending of meals?

The ability to digest lactose varies in a patchy way from place to place on which continent?