Chapter 3-The Biology of Behavior

Question 0

True or False.

Neurotransmitters may have either an excitatory or inhibitory effect on the postsynaptic membrane.

Answer 0

True

Question 1

True or False.
The terminal buttons of one of the neuron secrete neurotransmitters into the synapse where it stimulates the axon of a second neuron.

Answer 1

False

Question 2

True or False.
Following the body’s response to an emergency situation, the parasympathetic nervous system resumes control of bodily functions such as heart rate and digestion.

Answer 2

False

Question 3

True or False.
The cerebellum is the brain structure responsible for higher mental processes such as perceiving, thinking and remembering.

Answer 3

False

Question 4

Marijuana may have a sedative effect, stimulant effect, or an antidepressant effect.

Answer 4

False

Question 5

Which is the last part of the neuron to be involved in the transmission of a neural impulse towards the next neuron?
A. Axon hillock
B. Cell body
C. Dendrites
D. Terminal buttons

Answer 5

D. Terminal buttons

Question 6

Two factors that relate to the perceived intensity of a stimulus are how many neurons are firing action potential and _______?
A. If axons have myelin sheath
B. The voltage associated with each action potential
C. The rate at which these neurons are firing
D. Whether the supply of neurotransmitter is exhausted

Answer 6

C. The voltage at which these neurons are firing

Question 7

The two major divisions of the peripheral nervous system are which of the following?
A. Afferent and efferent
B. Sympathetic and parasympathetic 
C. Somatic and parasympathetic 
D. Somatic and automatic

Answer 7

D. Somatic and automatic

Question 8

A major difference between the sympathetic and parasympathetic nervous system is that sympathetic nervous system provides which of the following?
A. Increase in level functioning in all affected bodily systems
B. Decrease in level functioning in all affected bodily systems
C. Stimulated different parts of the body independently of one another
D. Simultaneously stimulates the different part of the body

Answer 8

D. Simultaneously stimulates different parts of the body

Question 9

Which role does the reticular formation play?
A. Life supporting functions; breathing and heartbeat
B. Fine tuning of motor messages
C. Coordinating and regulating motor movements
D. Controlling levels of arousal and alertness

Answer 9

D. Controlling levels of arousal and alertness

Question 10

If you were to electrically stimulate a person's occipital lobe, that person would most likely have which of the followings?
A. Difficulty recalling phone number
B. Report a visual experience
C. Move a part of their body
D. Report an auditory experience

Answer 10

B. Report visual experience

Question 11

If a split brain operated patient sees air x plane briefly while focusing the x, the patient would say he or she saw which of the following?
A. Plane
B. Airplane 
C. Air
D. Nothing

Answer 11

A. Plane

Question 12

The pituitary hormones do which of the following?
A. Have a variety of target organs
B. Have the thyroid as their only target organ
C. Directly influence the hypothalamus to begin secreting hormones
D. Become neuropeptides

Answer 12

A. Have a variety of target organs

Question 13

What are the three major types of psychoactive drugs?
A. Sedatives, opiates, and hallucinogens
B. Depressants, amphetamines, and cocaine
C. Depressants, stimulants, and hallucinogens
D. Alcohol, opiates, and hallucinogens

Answer 13

C. Depressants, stimulants, and hallucinogens

Question 14

A person is experiencing hypothermia, rapid heart rate, high blood pressure, muscle rigidity, and convulsions. Most likely he took which of the following drugs?
A. Seconal
B. Heroin
C. Ecstasy
D. Cocaine

Answer 14

C. Ecstasy