Question 1

Which factors influence the effectiveness of drug therapy? (Select all that apply.)Note: Credit will be given only if all correct choices and no incorrect choices are selected.

Accepted Answer

Food-drug interactions, excretion rate, and concentration of drug all influence the effectiveness of drug therapy.

Question 2

Which definition describes a receptor?

Accepted Answer

Receptors are cell components to which drugs bind in a dose-dependent manner, initiating a biological response.

Question 3

Drug A produces a certain therapeutic effect at a dose of 5 mg/kg.Drug B produces the same magnitude of effect at a dose of 0.1 mg/kg.How would the nurse describe the action of Drug A when compared to Drug B?

Accepted Answer

Potency refers to the amount of drug needed to produce a certain effect. Drug B requires a lower dose to achieve the same effect as Drug A, making Drug B more potent. Therefore, Drug A is less potent compared to Drug B.

Question 4

Codeine has a greater maximal ability to suppress cough when compared with dextromethorphan.What is the most appropriate description of codeine when compared to dextromethorphan?

Accepted Answer

Codeine has a greater maximal effect (efficacy) in suppressing cough than dextromethorphan, which means it can achieve a higher level of cough suppression at its maximum effective dose. Potency, on the other hand, refers to the amount of drug needed to produce a certain effect, which is not discussed in the comparison.

Question 5

What factors can affect drug absorption? (Select all that apply.)Note: Credit will be given only if all correct choices and no incorrect choices are selected.

Accepted Answer

The answer of What factors can affect drug absorption? (Select...

Question 6

What is the action of a drug antagonist?

Accepted Answer

An antagonist drug works by blocking the actions of an agonist, preventing it from triggering a cellular response.

Quiz 4: What Happens After a Drug Has Been Administered

Which factors influence the effectiveness of drug therapy? (Select all that apply.) Note: Credit will be given only if all correct choices and no incorrect choices are selected.

Which definition describes a receptor?

Drug A produces a certain therapeutic effect at a dose of 5 mg/kg.Drug B produces the same magnitude of effect at a dose of 0.1 mg/kg.How would the nurse describe the action of Drug A when compared to Drug B?

Codeine has a greater maximal ability to suppress cough when compared with dextromethorphan.What is the most appropriate description of codeine when compared to dextromethorphan?

What factors can affect drug absorption? (Select all that apply.) Note: Credit will be given only if all correct choices and no incorrect choices are selected.

What is the action of a drug antagonist?