ورقة عمل علم الأدوية مع الإجابات

ما المقصود بالناهض (Agonist)؟

1. Aدواء يسرّع إطراحه الذاتي
2. Bدواء يدمّر المستقبل
3. Cدواء يرتبط بالمستقبل وينشّطه
4. Dدواء يرتبط بالمستقبل ويحجبه

What is the most common side effect of first-generation antihistamines such as diphenhydramine?

1. ARaised blood pressure
2. BInsomnia
3. CDrowsiness
4. DDiarrhoea

How does rasagiline help in Parkinson's disease?

1. AIt inhibits MAO-B, so brain dopamine is broken down more slowly
2. BIt blocks acetylcholine receptors in the gut
3. CIt blocks dopamine receptors in the brain
4. DIt is converted directly into dopamine inside brain neurones

ماذا تصف تصفية الدواء (clearance)؟

1. Aالزمن اللازم لاختفاء الدواء تمامًا من البلازما
2. Bنسبة الجرعة التي تُمتص
3. Cحجم البلازما الذي يُخلَّص من الدواء في وحدة الزمن
4. Dكمية الدواء التي تُزال في جلسة غسيل كلوي واحدة

يُستخدم الفانكومايسين الوريدي عادةً لعلاج العداوى التي تسببها:

1. AEscherichia coli
2. BPseudomonas aeruginosa
3. CCandida albicans
4. DMRSA

Which adverse effect of ciprofloxacin should a patient report at once?

1. AMild tiredness in the first few days
2. BDarker stools than usual
3. CA slightly bitter or metallic taste for a while after each dose
4. DPain or swelling in a tendon, such as the Achilles tendon

A patient is switched from oral to intravenous morphine. Why is the IV dose lower than the oral dose?

1. AIV morphine is excreted much more slowly by the kidney than oral morphine
2. BOral morphine has a large first-pass effect, so less reaches the blood
3. CIV morphine is a stronger chemical form of the drug
4. DThe oral route causes tolerance faster than the IV route

A nurse gives 2 mg from a 4 mg ampoule of morphine. What should happen to the remaining 2 mg?

1. AIt is poured down the sink without telling anyone
2. BIt is discarded in front of a witness, and both sign the record
3. CIt is kept labelled in the patient's drawer for the next dose
4. DIt is given to the next patient who needs morphine