Question 1

Neurons do not interlock but instead are separated by synapses.

Accepted Answer

A) True 
 B)False  True

Question 2

The amount of time it takes for a substance to be eliminated from the body is measured in terms of _______

Accepted Answer

A)   hours
B)   days
C)   half-life
D)   drug-life C

Question 3

The National Institute on Drug Abuse reports that infants who are born to heroin-abusing mothers frequently suffer from ________________________.

Accepted Answer

A)   neonatal adaptation syndrome
B)   neonatal abstinence syndrome
C)   neonatal disability syndrome
D)   neonatal syndrome of polyendocrinopathy B

Question 4

__________ activates nerve cell receptors to stimulate pleasurable feelings.

Accepted Answer

A)   Serotonin
B)   Norepinephrine
C)   Dendrites
D)   Dopamine

Question 5

The continued use of certain drugs, particularly depressants, produces _______.

Accepted Answer

A)   tolerance
B)   immunity
C)   pleasure
D)   homeostasis

Question 6

Selective tolerance is also referred to as kindling .

Accepted Answer

A) True 
 B)False

Question 7

Cocaine use by pregnant women has been linked to various abnormalities in their infants because the substance reduces the supply of blood and oxygen to the fetus.

Accepted Answer

A) True 
 B)False

Question 8

One of the last parts of the brain to mature deals with the ability to _______________.

Accepted Answer

A)   make sound judgments
B)   control movement
C)   communicate
D)   All of these are correct

Question 9

_________: Two drugs that have similar actions are ingested and the effect is cumulative (1+ 1 = 2).

Accepted Answer

A)   Additive
B)   Synergistic
C)   Potentiating
D)   Antagonistic

Question 10

__________ where neurotransmitters attach cause chemical substances to interact and produce pharmacological actions.

Accepted Answer

A)   Transmitting neurons
B)   Axon terminals
C)   Receptor sites
D)   Receiving neurons

Question 11

Depending on the type of _______________, electrical charges from the adjoining neuron are either inhibited or enhanced.

Accepted Answer

A)   neurotransmitter
B)   neuron
C)   drug
D)   drug cues

Question 12

Neurotransmitters are broken down by MAO or recycled by the sending neuron in a process called ______________.

Accepted Answer

A)   reuptake
B)   transportation
C)   homeoestase
D)   synthesis

Question 13

An important part of the cell body are __________, which appear as branches of a tree and receive messages from other neurons.

Accepted Answer

A)   Serotonin
B)   Norepinephrine
C)   Dendrites
D)   Dopamine

Question 14

__________, a part of neurons, are contact points for communication between neurons.

Accepted Answer

A)   Transporters
B)   Synapses
C)   Receptors
D)   Neurotransmitters

Question 15

__________ trigger activity by moving across the synaptic gap to receptor sites on the dendrites on the other side.

Accepted Answer

A)   Transporters
B)   Synapses
C)   Receptors
D)   Neurotransmitters

Question 16

Substances that stimulate receptor sites are known as __________.

Accepted Answer

A)   agonists
B)   catecholamines
C)   monoamine oxidases (MAO) 
D)   antagonists

Question 17

___________, one of about 100 neurotransmitters found in the central nervous system, has received special attention because of its apparent role in the regulation of mood and affect and because of its role in motivation and reward processes.

Accepted Answer

A)   Serotonin
B)   Norepinephrine
C)   Dendrites
D)   Dopamine

Question 18

___________ use by pregnant women has been linked to serious emotional difficulties in children which can hinder their social and psychological development.

Accepted Answer

The answer of ___________ use by pregnant women has been...

Question 19

When determining risk versus reward, the _______________ tends to emphasize benefits while discounting dangers.

Accepted Answer

A)   adult brain
B)   adolescent neurons
C)   adolescent brain
D)   adult neurons

Question 20

Drugs enter the bloodstream in one of ______ ways.

Accepted Answer

A)   2
B)   3
C)   4
D)   5

Exam 3: The Biology of Psychoactive Substances

Neurons do not interlock but instead are separated by synapses.

The amount of time it takes for a substance to be eliminated from the body is measured in terms of _______

The National Institute on Drug Abuse reports that infants who are born to heroin-abusing mothers frequently suffer from ________________________.

__________ activates nerve cell receptors to stimulate pleasurable feelings.

The continued use of certain drugs, particularly depressants, produces _______.

Selective tolerance is also referred to as kindling .

Cocaine use by pregnant women has been linked to various abnormalities in their infants because the substance reduces the supply of blood and oxygen to the fetus.

One of the last parts of the brain to mature deals with the ability to _______________.

_________: Two drugs that have similar actions are ingested and the effect is cumulative (1+ 1 = 2) .

__________ where neurotransmitters attach cause chemical substances to interact and produce pharmacological actions.

Depending on the type of _______________, electrical charges from the adjoining neuron are either inhibited or enhanced.

Neurotransmitters are broken down by MAO or recycled by the sending neuron in a process called ______________.

An important part of the cell body are __________, which appear as branches of a tree and receive messages from other neurons.

__________, a part of neurons, are contact points for communication between neurons.

__________ trigger activity by moving across the synaptic gap to receptor sites on the dendrites on the other side.

Substances that stimulate receptor sites are known as __________.

___________, one of about 100 neurotransmitters found in the central nervous system, has received special attention because of its apparent role in the regulation of mood and affect and because of its role in motivation and reward processes.

___________ use by pregnant women has been linked to serious emotional difficulties in children which can hinder their social and psychological development.

When determining risk versus reward, the _______________ tends to emphasize benefits while discounting dangers.

Drugs enter the bloodstream in one of ______ ways.