Question 1

With increasing doses of any useful drug,there is usually an increase in the number and severity of

Accepted Answer

A) side effects. 
B) beneficial effects. 
C) placebo effects. 
D) effects on the stomach.

Question 2

There are many different routes by which drugs can be administered.Describe the pros and cons of the oral route versus the intravenous route.

Accepted Answer

The answer of There are many different routes by which...

Question 3

Nonspecific effects of taking a drug are those that do not depend on its chemical activity.They are sometimes referred to as

Accepted Answer

A) placebo effects. 
B) ataxia. 
C) side effects. 
D) dose-response effects.

Question 4

If repeated exposure to a drug increases the activity of the CYP450 enzyme that is responsible for metabolizing that drug,then later doses will be less effective than the first few doses.This is an example of

Accepted Answer

A) drug disposition tolerance. 
B) behavioral tolerance. 
C) an active metabolite. 
D) a prodrug.

Question 5

The potency of a drug is defined in terms of

Accepted Answer

A) the magnitude of the effect it produces. 
B) its dependence potential. 
C) whether it has a detectible odor. 
D) the amount required to produce an effect.

Question 6

Of the following routes of administration,which will produce fastest onset of effects?

Accepted Answer

A) inhalation. 
B) intramuscular injection. 
C) using a rectal suppository. 
D) rubbing it on the head.

Question 7

After oral administration,most absorption of the drug molecules takes place in the

Accepted Answer

A) small intestine. 
B) kidneys. 
C) heart. 
D) lower bowel.

Question 8

Which of these is given its own classification category,due to its complex effects at different doses?

Accepted Answer

A) cocaine 
B) marijuana 
C) Abilify 
D) caffeine

Question 9

The blood-brain barrier

Accepted Answer

A) is fully developed in humans when they are born. 
B) is designed to allow all drug compounds into the brain. 
C) cannot be penetrated,even with trauma to the brain. 
D) prevents many drugs from entering the brain.

Question 10

The group of psychoactive drugs called stimulants includes

Accepted Answer

A) cocaine. 
B) Prozac. 
C) LSD. 
D) heroin.

Question 11

Most of our drugs originally came either directly or indirectly from

Accepted Answer

A) South America. 
B) plants. 
C) petroleum. 
D) German chemists.

Question 12

Explain why an experienced heroin user would most likely choose to smoke or inject the drug rather then taking it orally.Then explain why inexperienced users should initially be discouraged from these routes of administration.

Accepted Answer

The answer of Explain why an experienced heroin user would...

Question 13

The story of the Michigan police officer who ate marijuana-laced brownies and then called 911,is a good illustration of which basic psychopharmacology fact?

Accepted Answer

A) Drug laws only apply to those outside of law enforcement. 
B) Marijuana produces paranoia in the majority of users. 
C) The oral route of administration produces the fastest onset of effects. 
D) Different routes of administration can producing markedly different drug effects.

Question 14

For most therapeutic effects,there is a maximum effect,and increasing the dose more just increases the number and type of side effects.

Accepted Answer

A) True 
 B)False

Question 15

The threshold on a dose-response curve is the

Accepted Answer

A) point at which the dose of the drug causes maximal response. 
B) lowest dose at which there is an observable effect of the drug. 
C) safe effective dose of the drug. 
D) therapeutic index of the drug.

Question 16

Concussions and cerebral infections can decrease the effectiveness of

Accepted Answer

A) drug metabolism. 
B) the blood-brain barrier. 
C) protein binding. 
D) multiple drug doses.

Question 17

What kind of name is Provigil (an alerting drug)?

Accepted Answer

A) chemical name 
B) generic name 
C) brand name 
D) none of the above

Question 18

Alcohol has a low tendency,but THC has a high tendency,to

Accepted Answer

A) bind to the serotonin receptor. 
B) dissolve in water. 
C) bind to blood proteins. 
D) produce dependence.

Question 19

Most drugs have three different kinds of names.Which of them belongs to a specific manufacturer?

Accepted Answer

A) chemical name 
B) generic name 
C) brand name 
D) research name

Exam 5: The Actions of Drugs