Question 1

Asphyxiation can occur when respiratory centres in the ______ are inhibited.

Accepted Answer

A)   cerebellum
B)   lungs
C)   medulla
D)   forebrain C

Question 2

Agonists facilitate synaptic transmission while antagonists decrease synaptic transmission.

Accepted Answer

A) True 
 B)False  True

Question 3

Which of the following statements about glutamate is NOT true?

Accepted Answer

A)   Glutamate functions as an excitatory neurotransmitter in the brain.
B)   Glutamate receptors are blocked by some psychoactive drugs.
C)   Glutamate receptors are activated by the presence of some psychoactive drugs.
D)   Drugs that block glutamate receptors have been largely unsuccessful in treating drug abuse. D

Question 4

An overdose from an orally administered drug is easier to handle on an emergency basis than an overdose of a drug administered through an intravenous injection.

Accepted Answer

A) True 
 B)False

Question 5

The part of the brain that determines when we sleep and when we wake up is located in the pons.

Accepted Answer

A) True 
 B)False

Question 6

Cross-tolerance is commonly observed in the effects of __________ and alcohol.

Accepted Answer

A)   cocaine
B)   nicotine
C)   benzodiazepines
D)   marijuana

Question 7

Analogy: Mainlining is to skin-popping as __________.

Accepted Answer

A)   subcutaneous is to intravenous
B)   intravenous is to intramuscular
C)   intravenous is to subcutaneous
D)   intramuscular is to subcutaneous

Question 8

Sensory nerves enter the CNS at the level of the brain but not the spinal cord.

Accepted Answer

A) True 
 B)False

Question 9

If a placebo effect occurs, a completely inert substance __________.

Accepted Answer

A)   will have no effect whatsoever
B)   will have a reduced effect
C)   will have an effect
D)   will likely produce a lethal response

Question 10

With intramuscular injections, the drug is absorbed into the bloodstream through the _______serving the muscle.

Accepted Answer

A)   arteries
B)   veins
C)   capillaries
D)   muscle membranes

Question 11

The ______ the quantity of the drug, the ______ the body tries to get rid of it.

Accepted Answer

A)   larger; slower
B)   smaller; faster
C)   larger; faster
D)   There is no relationship between the quantity of the drug and the speed with which the body tries to excrete it.

Question 12

Through norepinephrine is found all over the brain, in which part is it most concentrated?

Accepted Answer

A)   Medulla
B)   Limbic system
C)   Hypothalamus
D)   both B and C

Question 13

You can facilitate the crossing of the blood-brain barrier by combining protein-based drugs with __________.

Accepted Answer

A)   another protein
B)   a fatty acid
C)   a derivative of dopamine
D)   a water-soluble molecule

Question 14

Which of the following plays the most important role in determining the final result after a drug is repeatedly administered?

Accepted Answer

A)   The timing of drug administration
B)   The acute effects of drugs administered close together in time
C)   The chronic effects of drugs administered close together in time
D)   The age of the individual

Question 15

The development of skin rashes when people believe they have been exposed to fake poison ivy is a likely consequence of __________.

Accepted Answer

A)   hyperadditive interactions between drugs
B)   the placebo effect
C)   the classical conditioning effect
D)   the nucleus accumbens effect

Question 16

The analgesic effects of Chinese acupuncture can be reversed by __________.

Accepted Answer

A)   dopamine
B)   serotonin
C)   acetylcholine
D)   naloxone

Question 17

Women may be affected more by alcohol than men, due to __________.

Accepted Answer

A)   having a lower proportion of water than men
B)   reduced levels of enzymes that break down alcohol in the liver
C)   having a lower fat-to-muscle ratio than men
D)   both A and B

Question 18

Mild electric currents can be used to help absorb drugs through the skin or membranes.

Accepted Answer

A) True 
 B)False

Question 19

Those of Asian descent show enhanced sensitivity to _______ compared to Caucasians.

Accepted Answer

A)   nicotine and alcohol
B)   marijuana
C)   antipsychotic and antianxiety medications
D)   stimulants and antipsychotic medications

Question 20

If you wanted to facilitate the passage of a drug across the blood-brain barrier, what quality would you want the drug to have? Provide an example of two extreme situations with respect to passage across the blood-brain barrier.

Accepted Answer

The answer of If you wanted to facilitate the passage...

Exam 3: How Drugs Work in the Body and on the Mind

Asphyxiation can occur when respiratory centres in the ______ are inhibited.

Agonists facilitate synaptic transmission while antagonists decrease synaptic transmission.

Which of the following statements about glutamate is NOT true?

An overdose from an orally administered drug is easier to handle on an emergency basis than an overdose of a drug administered through an intravenous injection.

The part of the brain that determines when we sleep and when we wake up is located in the pons.

Cross-tolerance is commonly observed in the effects of __________ and alcohol.

Analogy: Mainlining is to skin-popping as __________.

Sensory nerves enter the CNS at the level of the brain but not the spinal cord.

If a placebo effect occurs, a completely inert substance __________.

With intramuscular injections, the drug is absorbed into the bloodstream through the _______serving the muscle.

The the quantity of the drug, the the body tries to get rid of it.

Through norepinephrine is found all over the brain, in which part is it most concentrated?

You can facilitate the crossing of the blood-brain barrier by combining protein-based drugs with __________.

Which of the following plays the most important role in determining the final result after a drug is repeatedly administered?

The development of skin rashes when people believe they have been exposed to fake poison ivy is a likely consequence of __________.

The analgesic effects of Chinese acupuncture can be reversed by __________.

Women may be affected more by alcohol than men, due to __________.

Mild electric currents can be used to help absorb drugs through the skin or membranes.

Those of Asian descent show enhanced sensitivity to _______ compared to Caucasians.

If you wanted to facilitate the passage of a drug across the blood-brain barrier, what quality would you want the drug to have? Provide an example of two extreme situations with respect to passage across the blood-brain barrier.