Phiếu bài tập Dược lý học có đáp án

Tamoxifen is used mainly to treat:

1. AProstate enlargement and prostate cancer in older men
2. BOsteoarthritis
3. COestrogen receptor-positive breast cancer
4. DType 2 diabetes

Baclofen is used mainly to treat:

1. AHigh blood pressure in pregnancy and pre-eclampsia
2. BAcid reflux and heartburn
3. CBacterial infections of the skin
4. DMuscle spasticity, for example in multiple sclerosis

Loperamide được dùng để điều trị:

1. ATáo bón
2. BBuồn nôn
3. CỢ nóng
4. DTiêu chảy

How should a hyoscine (scopolamine) patch for motion sickness be used?

1. ACut it in half for children without advice
2. BApply it to the chest only after the vomiting has started
3. CSwallow it if no water is available
4. DApply it behind the ear several hours before travel

A patient takes theophylline for COPD. Which advice is most important?

1. AAvoid potassium-rich foods such as bananas
2. BLimit coffee, tea and cola, because caffeine adds to the side effects
3. CTake extra doses when short of breath
4. DDrink plenty of grapefruit juice each morning to improve absorption

Why is a spacer recommended with a metered-dose inhaler?

1. AIt doubles the dose of drug released by each puff of the inhaler
2. BIt removes the need to shake the inhaler
3. CMore drug reaches the lungs and less stays in the mouth
4. DIt turns the inhaler into a nebuliser

A patient receiving a phenylephrine infusion has a rise in blood pressure and a fall in heart rate. What is the best explanation?

1. APhenylephrine stimulates muscarinic receptors
2. BPhenylephrine directly blocks beta-1 receptors in the heart's conduction system
3. CThe fall in heart rate shows phenylephrine toxicity of the AV node
4. DAlpha-1 vasoconstriction raises blood pressure and causes reflex bradycardia

How does aripiprazole differ from most other antipsychotics?

1. AIt is a full dopamine agonist that increases dopamine activity
2. BIt has no effect on dopamine and acts only on histamine
3. CIt works by blocking the reuptake of serotonin only
4. DIt is a partial agonist at dopamine D2 receptors