Deck 5: The Actions of Drugs

Question 1

The ________ of a drug specifies a particular formulation and manufacturer, and the trademark belongs to that manufacturer.

A) preferred name
B) generic name
C) brand name
D) international nonproprietary name

Answer 1

brand name

Question 2

________ are a group of analgesic (painkilling) drugs that produce a relaxed, dreamlike state; moderately high doses often induce sleep.

A) Hallucinogens
B) Opioids
C) Antipsychotics
D) Antidepressants

Answer 2

Opioids

Question 3

Richard is a researcher in a pharmaceutical company. His company develops a new drug to treat chronic joint pain in humans. He wants to check the effect of this drug on a group of elderly people. He divides the group into an experimental group and a control group. He gives the new drug to the experimental group, while he gives a noneffective look-alike drug to the control group. Both groups give the same result. Identify the effect felt by the control group, despite not taking the drug.

A) Specific effect
B) Observer effect
C) Nocebo effect
D) Placebo effect

Answer 3

Placebo effect

Question 4

The effects of a drug that depend on the presence of a chemical at certain concentrations in a target tissue are called ________.

A) placebo effects
B) observer effects
C) specific effects
D) nocebo effects

Question 5

Which of the following terms is defined as the dosage difference between an acceptable level of effectiveness and the lowest toxic dose?

A) Safety margin
B) Therapeutic index
C) Drug potency
D) Cumulative effect

Question 6

Which of the following statements is true of the potency of a drug?

A) The smaller the amount needed to get a particular effect, the more potent the drug.
B) Potency strongly relates to how effective a drug is or to how large an effect the drug can produce.
C) Potency refers to the relative lethal dose of a drug, especially the cannabinoids and the opioids.
D) The ED₅₀ (the effective dose for 50 percent of the animals) of a potent drug is higher than the ED₅₀ of a less potent drug.

Question 7

________ are defined as the drugs that are inactive until acted on by enzymes in the body.

A) Prodrugs
B) Codrugs
C) Active metabolites
D) Channel openers

Question 8

The therapeutic index (TI) should always be lesser than 1 because the lethal dose should be larger than the effective dose.