Phiếu bài tập Dược lý học có đáp án

Các thuốc có tên kết thúc bằng "-olol", như atenolol, thuộc nhóm nào?

1. AThuốc chẹn beta
2. BStatin
3. CThuốc chẹn kênh calci
4. DThuốc ức chế ACE

Lithium is used mainly to treat which condition?

1. AGeneralised anxiety disorder
2. BSchizophrenia with no mood symptoms
3. CBipolar disorder
4. DAttention deficit hyperactivity disorder

Amphotericin B is used mainly for:

1. ASerious systemic fungal infections
2. BInfluenza in older people
3. CBacterial urinary tract infections
4. DMild athlete's foot

Which blood test is commonly used to monitor a continuous infusion of unfractionated heparin?

1. ASerum potassium
2. BHaemoglobin A1c
3. CActivated partial thromboplastin time (aPTT)
4. DINR (international normalised ratio, prothrombin time)

Why are many drugs started at lower doses in older adults?

1. AOlder adults always weigh more than younger adults, so drugs last longer
2. BLower doses are cheaper for older patients
3. CKidney and liver clearance often decline, and sensitivity to drugs increases
4. DOlder adults absorb no drugs from the stomach

Which rule applies when giving phenytoin intravenously?

1. AGive it in the same line as other drugs without flushing
2. BMix or flush it only with normal saline and give it slowly
3. CGive it as a rapid push to stop seizures faster
4. DMix it with glucose 5% to prevent low blood sugar

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

Vì sao pyridoxine (vitamin B6) thường được cho cùng isoniazid trong điều trị lao?

1. AĐể tăng hấp thu isoniazid
2. BĐể giảm đề kháng vi khuẩn
3. CĐể phòng bệnh thần kinh ngoại biên
4. DĐể phòng tổn thương gan do isoniazid