Question 1

The process of maintaining our internal environment (temperature,water balance,etc.)within certain limits is called

Accepted Answer

A) the blood-brain barrier. 
B) sympathetic. 
C) homeostasis. 
D) inhibition. 
A) the blood-brain barrier. 
B) sympathetic. 
C) homeostasis. 
D) inhibition.

Question 2

Whether the effect of a neurotransmitter is excitatory or inhibitory depends on

Accepted Answer

A) blood sugar level. 
B) the type of receptor. 
C) the rate of synthesis. 
D) enzyme actions. 
A) blood sugar level. 
B) the type of receptor. 
C) the rate of synthesis. 
D) enzyme actions.

Question 3

Natural chemicals in the brain that produce effects similar to those of morphine and other opium-derived drugs are called

Accepted Answer

A) amphetamines. 
B) depressants. 
C) endorphins. 
D) ecstasy. 
A) amphetamines. 
B) depressants. 
C) endorphins. 
D) ecstasy.

Question 4

Which of the following neurotransmitters is found in most parts of the brain and is considered inhibitory?

Accepted Answer

A) serotonin 
B) dopamine 
C) GABA 
D) norepinephrine 
A) serotonin 
B) dopamine 
C) GABA 
D) norepinephrine

Question 5

Parkinson's disease patients are often treated with dopamine because L-dopa cannot cross the blood-brain barrier.

Accepted Answer

A) True 
 B)False

Question 6

Cocaine selectively blocks Na+ (sodium)channels,which is the mechanism that leads to

Accepted Answer

A) CNS stimulation. 
B) increased heart rate. 
C) local anesthetic effects. 
D) cocaine dependence. 
A) CNS stimulation. 
B) increased heart rate. 
C) local anesthetic effects. 
D) cocaine dependence.

Question 7

Weight control,aggression,impulsivity,and psychological depression have all been associated with

Accepted Answer

A) serotonin pathways. 
B) endorphins. 
C) GABA receptors. 
D) the parasympathetic branch. 
A) serotonin pathways. 
B) endorphins. 
C) GABA receptors. 
D) the parasympathetic branch.

Question 8

Parkinson's disease produces tremors and muscular rigidity because of damage to

Accepted Answer

A) acetylcholine neurons in the parasympathetic branch. 
B) dopamine neurons in the nigrostriatal pathway. 
C) norepinephrine neurons in the locus ceruleus. 
D) the blood-brain barrier. 
A) acetylcholine neurons in the parasympathetic branch. 
B) dopamine neurons in the nigrostriatal pathway. 
C) norepinephrine neurons in the locus ceruleus. 
D) the blood-brain barrier.

Question 9

Gated ion channels for sodium and potassium open and close in rapid succession,causing the neuron to depolarize and then return to its normal resting level,during each

Accepted Answer

A) action potential. 
B) homeostasis. 
C) metabolism. 
D) transporter. 
A) action potential. 
B) homeostasis. 
C) metabolism. 
D) transporter.

Question 10

-The actions of drugs on neurotransmitter systems can be divided into two main types.What are they?

Accepted Answer

Drugs can alter the availability of the

Question 11

GABA and glutamate are similar in that they are found throughout the brain and are primarily inhibitory neurotransmitters.

Accepted Answer

A) True 
 B)False

Question 12

Neural centers controlling vomiting and respiration are found in the

Accepted Answer

A) brain stem. 
B) frontal lobe. 
C) cerebellum. 
D) pituitary gland. 
A) brain stem. 
B) frontal lobe. 
C) cerebellum. 
D) pituitary gland.

Question 13

Which chemical pathway appears to be important both in some types of psychotic behavior and in the reinforcing properties of various drugs?

Accepted Answer

A) acetylcholine pathway from the nucleus basalis 
B) serotonin pathway from the raphe nuclei 
C) mesolimbic dopamine pathway 
D) glutamate pathway 
A) acetylcholine pathway from the nucleus basalis 
B) serotonin pathway from the raphe nuclei 
C) mesolimbic dopamine pathway 
D) glutamate pathway

Question 14

Drugs can affect neurotransmitter systems in two main ways: either by altering the availability of the neurotransmitter in the synapse,or by

Accepted Answer

A) acting on the blood-brain barrier. 
B) altering hormone levels. 
C) acting directly on the receptors. 
D) increasing blood pressure. 
A) acting on the blood-brain barrier. 
B) altering hormone levels. 
C) acting directly on the receptors. 
D) increasing blood pressure.

The process of maintaining our internal environment (temperature,water balance,etc.)within certain limits is called

Whether the effect of a neurotransmitter is excitatory or inhibitory depends on

Natural chemicals in the brain that produce effects similar to those of morphine and other opium-derived drugs are called

Which of the following neurotransmitters is found in most parts of the brain and is considered inhibitory?

Parkinson's disease patients are often treated with dopamine because L-dopa cannot cross the blood-brain barrier.

Cocaine selectively blocks Na+ (sodium)channels,which is the mechanism that leads to

Weight control,aggression,impulsivity,and psychological depression have all been associated with

Parkinson's disease produces tremors and muscular rigidity because of damage to

Gated ion channels for sodium and potassium open and close in rapid succession,causing the neuron to depolarize and then return to its normal resting level,during each

-The actions of drugs on neurotransmitter systems can be divided into two main types.What are they?

GABA and glutamate are similar in that they are found throughout the brain and are primarily inhibitory neurotransmitters.

Neural centers controlling vomiting and respiration are found in the

Which chemical pathway appears to be important both in some types of psychotic behavior and in the reinforcing properties of various drugs?

Drugs can affect neurotransmitter systems in two main ways: either by altering the availability of the neurotransmitter in the synapse,or by

Drug Use: an Overview

Drug Use As a Social Problem

Drug Policy

The Actions of Drugs

Stimulants

Depressants and Inhalants

Medication for Mental Disorders

Alcohol

Tobacco

Caffeine

Dietary Supplements and Over The Counter Drugs

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Exam 4: The Nervous System

The process of maintaining our internal environment (temperature,water balance,etc.)within certain limits is called

Whether the effect of a neurotransmitter is excitatory or inhibitory depends on

Natural chemicals in the brain that produce effects similar to those of morphine and other opium-derived drugs are called

Which of the following neurotransmitters is found in most parts of the brain and is considered inhibitory?

Parkinson's disease patients are often treated with dopamine because L-dopa cannot cross the blood-brain barrier.

Cocaine selectively blocks Na+ (sodium)channels,which is the mechanism that leads to

Weight control,aggression,impulsivity,and psychological depression have all been associated with

Parkinson's disease produces tremors and muscular rigidity because of damage to

Gated ion channels for sodium and potassium open and close in rapid succession,causing the neuron to depolarize and then return to its normal resting level,during each

-The actions of drugs on neurotransmitter systems can be divided into two main types.What are they?

GABA and glutamate are similar in that they are found throughout the brain and are primarily inhibitory neurotransmitters.

Neural centers controlling vomiting and respiration are found in the

Which chemical pathway appears to be important both in some types of psychotic behavior and in the reinforcing properties of various drugs?

Drugs can affect neurotransmitter systems in two main ways: either by altering the availability of the neurotransmitter in the synapse,or by

Drug Use: an Overview

Drug Use As a Social Problem

Drug Policy

The Actions of Drugs

Stimulants

Depressants and Inhalants

Medication for Mental Disorders

Alcohol

Tobacco

Caffeine

Dietary Supplements and Over The Counter Drugs

Opioids

Psychedelics

Cannabis

Performance-Enhancing Drugs

Preventing Substance Abuse

Rethinking Drug Policy: What Works, Whats Possible, and Whats Feasible

Filters