Phiếu bài tập Dược lý học có đáp án

How long does it usually take for an SSRI to improve mood noticeably?

1. ASeveral weeks
2. BOne or two days
3. CA few hours
4. DAbout six months

What is a "broad-spectrum" antibiotic?

1. AOne that is given only intravenously in hospital
2. BOne that is taken for a long time at low dose to prevent any infection
3. COne that also treats viral and fungal infections
4. DOne that acts against many Gram-positive and Gram-negative bacteria

In hepatic encephalopathy, lactulose is given mainly to:

1. AStop bleeding from varices
2. BReduce fluid in the abdomen
3. CLower the blood ammonia level
4. DRaise the blood glucose level

When does oseltamivir give the most benefit in influenza?

1. AOnly after a bacterial pneumonia has developed
2. BOnly after symptoms have lasted at least one week
3. CAt any time, as the timing makes no difference
4. DWhen started within 48 hours of the first symptoms

How should a patient take oral alendronate?

1. AWith plain water on an empty stomach, staying upright for 30 minutes
2. BWith milk at bedtime, then lying down straight away to aid absorption
3. CCrushed into yoghurt with calcium supplements
4. DWith breakfast and coffee to protect the stomach

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

1. AOnly at the start of the next pregnancy
2. BWithin 72 hours after the birth
3. CAt least two weeks after the birth
4. DIt is not needed if the baby is Rh-positive

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 increase heart contractility too much
3. CNSAIDs cause salt and water retention and can worsen heart failure
4. DNSAIDs lower potassium, which makes digoxin and diuretics fail

A woman with epilepsy who takes an antiepileptic drug plans to become pregnant. Which advice is standard?

1. AStop all antiepileptic drugs straight away as soon as she stops contraception
2. BTake folic acid before conception and seek specialist review of her medication
3. CAvoid folic acid because it lowers drug levels
4. DNo change is needed, as antiepileptics carry no risk in pregnancy