Exam 4: Pharmacology

A chronic user of amphetamines would likely their drug of choice.

Amphetamines have an antagonistic effect on alcohol, reducing its impairment of motor skills.

The therapeutic index is .

A drug's dose is calculated according to a person's .

The "first-pass effect" refers to drug metabolism in the liver.

Which of the following conditions lead to more rapid drug absorption?

A biphasic drug effect occurs when a drug effect first goes in one direction as drug dose increases, but the effect changes direction as drug dose continues to increase.

Describe the three methods people use to obtain a false-negative result on a drug screening test.

Which of the following is a common site for intramuscular drug injection?

Marijuana has a half-life of up to several weeks.

Due to differences in , proper drug dosage is determined by an individual's weight.

When administering a drug via inhalation, it is absorbed through the nasal membranes and sinuses.

The effect of a drug depends most fundamentally on .

is a term referring to the minimum dose of a drug that yields its efficacy.

Which of the following is a method used to administer barbiturates?

Which of the following is not an advantage of the oral route of drug administration?

Once in the bloodstream, orally administered drugs pass through the before reaching the brain.

In research, means to be able to account for variables that may affect the results of a study.

What are the main methods of drug administration? List one advantage and one disadvantage for each method.

Valium is an example of a drug that can easily pass through the blood-brain barrier because it is highly fat soluble.