Scheda di esercizi di Farmacologia con soluzioni

In Addison's disease, fludrocortisone is given to replace which hormone?

1. ACortisol
2. BAldosterone
3. CThyroxine
4. DAdrenaline

Che cosa descrive l'«efficacia» di un farmaco?

1. ALa frazione della dose legata alle proteine plasmatiche
2. BLa velocità con cui il farmaco viene assorbito
3. CL'effetto massimo che il farmaco può produrre
4. DLa dose necessaria per produrre metà dell'effetto

L'atropina blocca quale tipo di recettore?

1. AI recettori istaminici H1
2. BI recettori adrenergici beta-1
3. CI recettori muscarinici dell'acetilcolina
4. DI recettori nicotinici alla giunzione neuromuscolare

A nurse has a needlestick injury from a patient with HIV. When should post-exposure prophylaxis start?

1. AOnly after the nurse's HIV test turns positive
2. BOnly if the patient's viral load is above a set level
3. CAfter one week, when the risk of infection is clearer
4. DAs soon as possible, and within 72 hours at the latest

After instilling eye drops, why should the patient press gently on the inner corner of the eye for a minute or two?

1. ATo reduce drainage into the nose and absorption into blood
2. BTo stop the eye from producing tears for about an hour
3. CTo make the pupil dilate faster
4. DTo spread the drop evenly over the eyelid

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

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

A patient taking long-term hydroxychloroquine for lupus is advised to have regular eye examinations. Why?

1. AThe drug can cause retinal toxicity that may be permanent
2. BThe drug stains the cornea blue
3. CThe drug causes cataracts within a few weeks of starting
4. DThe drug raises pressure inside the eye

Morphine 4 mg IV is ordered. The ampoule contains 10 mg/mL. What volume should be drawn up?

1. A4 mL
2. B2,5 mL
3. C0,4 mL
4. D0,04 mL