Medical Knowledge Pharmacology 2

Question 1

What is the half-life of a drug?

Accepted Answer

Time for drug concentration to decrease by 50%

Answer

Time to reach peak plasma concentration

Answer

Time for full drug elimination

Answer

Time for drug effect to begin

Question 2

What does 'PRN' mean in a medication order?

Accepted Answer

As needed

Answer

Per rectum now

Answer

Before meals

Answer

Every night

Question 3

Which class of antibiotics inhibits bacterial cell wall synthesis?

Accepted Answer

Beta-lactams (Penicillins)

Answer

Tetracyclines

Answer

Fluoroquinolones

Answer

Macrolides

Question 4

What is pharmacokinetics?

Accepted Answer

Study of what the body does to the drug

Answer

Study of drug effects on the body

Answer

Study of drug-receptor interactions

Answer

Study of drug side effects

Question 5

What type of drug interaction produces an effect greater than the sum of each drug's individual effects?

Accepted Answer

Synergism

Answer

Antagonism

Answer

Additive effect

Answer

Idiosyncratic reaction

Question 6

Which drug class is used to treat hypertension by blocking angiotensin II receptors?

Accepted Answer

ARBs

Answer

Beta-blockers

Answer

Diuretics

Answer

Calcium channel blockers