Scheda di esercizi di Farmacologia con soluzioni

With patient-controlled analgesia (PCA), who should press the button to give a dose?

1. AOnly the patient
2. BAny visitor who thinks the patient is in pain
3. CThe nursing assistant at set times
4. DA family member when the patient is asleep

Which vitamin reverses the effect of warfarin?

1. AVitamin K
2. BVitamin C
3. CVitamin E
4. DVitamin B12

Stimulation of which receptor increases heart rate and the force of contraction?

1. ABeta-2 adrenergic receptor
2. BAlpha-2 adrenergic receptor
3. CMuscarinic M2 receptor
4. DBeta-1 adrenergic receptor

Why is simvastatin traditionally taken in the evening?

1. AIt must be taken with the largest meal of the day
2. BIt causes too much drowsiness to be taken in the morning
3. CIt is inactivated by sunlight during the day
4. DIt is short-acting, and cholesterol synthesis peaks at night

A patient with a fentanyl patch is given home-care advice. Which instruction is correct?

1. AApply each new patch over the same skin area
2. BAvoid heating pads, hot baths and saunas over or near the patch
3. CThrow used patches loose into the household bin with the packaging
4. DCut the patch in half if the pain is mild

A patient with difficulty swallowing is prescribed several tablets. Which one should not be crushed?

1. AA plain paracetamol tablet
2. BA plain aspirin dispersible tablet
3. CA modified-release (extended-release) tablet
4. DA tablet that the pharmacist says may be crushed

A patient with an epidural infusion of local anaesthetic becomes hypotensive. What is the most likely mechanism?

1. AThe drug increases urine output and causes dehydration
2. BThe local anaesthetic causes a severe allergic reaction
3. CThe epidural catheter has caused heavy bleeding
4. DBlockade of sympathetic nerves causes vasodilation

Why is gentamicin often given once daily instead of in several small doses?

1. AIts killing depends only on the time the level stays above the MIC
2. BIt has a very long half-life of several days
3. CIts killing depends on high peak levels, with a post-antibiotic effect
4. DIt is absorbed slowly from the muscle over 24 hours