उत्तरों सहित औषध विज्ञान वर्कशीट

अधिकांश दवाओं का चयापचय मुख्य रूप से कौन-सा अंग करता है?

1. Aयकृत
2. Bप्लीहा
3. Cगुर्दा
4. Dफेफड़ा

Which of these is a second-generation (atypical) antipsychotic?

1. AFluphenazine
2. BChlorpromazine
3. CHaloperidol
4. DOlanzapine

Famotidine belongs to which drug class?

1. AProton pump inhibitors
2. BAntacids
3. CProstaglandin analogues
4. DH2 receptor antagonists

A patient starting niacin (nicotinic acid) complains of flushing and warmth after doses. Which advice may reduce this?

1. ATake the niacin with a hot drink so that it dissolves and acts faster
2. BTake it on an empty stomach in a hot bath
3. CTake aspirin 30 minutes before the niacin, if the prescriber agrees
4. DDouble the dose to build tolerance faster

How should oral potassium chloride tablets be taken?

1. AOn an empty stomach with only a small sip of water, then lie down
2. BLying down straight after the dose
3. CCrushed and dissolved under the tongue
4. DWith food and plenty of water, swallowed whole if slow-release

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. BNaloxone
3. CDantrolene by mouth to relax the twisted neck muscles
4. DA second dose of haloperidol

A patient with heart failure starts taking naproxen regularly for back pain. Why is this a concern?

1. ANSAIDs block the absorption of furosemide completely
2. BNSAIDs cause salt and water retention and can worsen heart failure
3. CNSAIDs lower potassium, which makes digoxin and diuretics fail
4. DNSAIDs increase heart contractility too much

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

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