Pharmacology worksheet with answers

Disulfiram is used in alcohol use disorder because it:

1. ACauses an unpleasant reaction if alcohol is drunk
2. BReplaces alcohol at its receptors in the brain
3. CRemoves alcohol from the blood faster
4. DCures liver damage caused by alcohol

What does "PRN" mean on a medication order?

1. AImmediately, once only
2. BEvery morning
3. CAs needed
4. DBefore meals

How does ezetimibe lower cholesterol?

1. AIt inhibits HMG-CoA reductase in the liver
2. BIt binds bile acids in the gut
3. CIt increases the excretion of cholesterol in the urine and bile
4. DIt reduces the absorption of cholesterol from the intestine

During an oxytocin infusion, contractions become very frequent and the fetal heart rate shows late decelerations. What is the nurse's first action?

1. APosition the woman flat on her back
2. BIncrease the infusion to finish labour quickly
3. CGive a second oxytocin bolus
4. DStop the oxytocin infusion

Intravenous vancomycin is commonly used to treat infections caused by:

1. AMRSA
2. BPseudomonas aeruginosa
3. CEscherichia coli
4. DCandida albicans

An Rh-negative mother gives birth to an Rh-positive baby. When is anti-D immunoglobulin usually given?

1. AWithin 72 hours after the birth
2. BAt least two weeks after the birth
3. CIt is not needed if the baby is Rh-positive
4. DOnly at the start of the next pregnancy

A patient with early aspirin (salicylate) overdose has tinnitus and is breathing fast. Which acid–base pattern is classic?

1. APure metabolic alkalosis
2. BRespiratory alkalosis followed by metabolic acidosis
3. CRespiratory acidosis with normal bicarbonate
4. DMetabolic alkalosis followed by respiratory acidosis

Why is glibenclamide (glyburide) generally avoided in older adults?

1. AIt is long-acting and can cause prolonged, severe hypoglycaemia
2. BIt causes high blood glucose in older adults
3. CIt is not absorbed in people over 65
4. DIt causes severe weight loss and muscle wasting in older people