Scheda di esercizi di Farmacologia con soluzioni

A patient taking furosemide is advised to eat potassium-rich foods. Which food is a good choice?

1. AWhite rice
2. BButter
3. CEgg whites
4. DBananas

Psyllium (ispaghula husk) is which type of laxative?

1. AOsmotic
2. BStool softener
3. CStimulant
4. DBulk-forming

How does ezetimibe lower cholesterol?

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

A patient given haloperidol develops a sudden painful twisting of the neck and the eyes roll upward. Which drug is usually given?

1. AAn anticholinergic such as benzatropine (benztropine)
2. BA second dose of haloperidol
3. CNaloxone
4. DDantrolene by mouth to relax the twisted neck muscles

An IV site is cool, swollen and pale, and the infusion is running slowly. What should the nurse do?

1. AStop the infusion, remove the cannula and elevate the limb
2. BIncrease the infusion rate to push through and clear the blockage
3. CApply a tight bandage over the site
4. DFlush the cannula forcefully with saline

Which approach is usually recommended to prevent constipation in a patient on regular opioids?

1. AA stimulant laxative such as senna, often with a stool softener
2. BNo laxative until the patient has not opened the bowels for a week
3. CBulk-forming fibre alone, with fluid intake restricted
4. DAn antidiarrhoeal drug at night to slow the gut

A patient taking digoxin has nausea, yellow-green vision and a dangerous arrhythmia. Which specific treatment can bind the drug?

1. AIntravenous vitamin K (phytomenadione) given slowly
2. BDigoxin immune Fab (antibody fragments)
3. CProtamine sulfate
4. DFlumazenil

Before starting rituximab, patients are tested for hepatitis B. Why?

1. ARituximab can reactivate hepatitis B and cause liver failure
2. BRituximab is a vaccine against hepatitis B
3. CRituximab is made from the hepatitis B virus
4. DHepatitis B infection makes rituximab completely ineffective