ورقة عمل علم الأدوية مع الإجابات

Why is HIV treated with a combination of antiretroviral drugs?

1. ABecause one drug alone causes no side effects
2. BTo make the treatment shorter, usually a few weeks
3. CTo suppress the virus and prevent drug resistance
4. DBecause each single drug cures only part of the infection

Filgrastim, a granulocyte colony-stimulating factor (G-CSF), is given to:

1. AIncrease the production of platelets
2. BIncrease the production of neutrophils
3. CStop bleeding from wounds
4. DLower the white cell count in leukaemia

Varenicline helps people stop smoking because it:

1. AMakes cigarettes taste bitter
2. BIs a form of nicotine absorbed slowly through the skin
3. CIs a nicotinic partial agonist that reduces craving and reward
4. DBlocks dopamine receptors in the brain completely

Which rule applies when giving phenytoin intravenously?

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

يُحذَّر المرضى الذين يتناولون مثبطات MAO القديمة من الأطعمة الغنية بالتيرامين. ماذا قد يحدث؟

1. Aنقص سكر الدم الشديد
2. Bطفح تحسسي
3. Cأزمة ارتفاع ضغط الدم
4. Dفشل كلوي مفاجئ

Benzathine benzylpenicillin (penicillin G benzathine) is ordered. Which route is correct?

1. AIntravenous infusion over 30 minutes
2. BDeep intramuscular only
3. CIntravenous push
4. DSubcutaneous in the abdomen

A patient on stable warfarin is prescribed a course of metronidazole. What is the likely effect, and what should the nurse expect?

1. AThe INR stays the same, as these drugs do not interact
2. BThe INR rises, so closer INR monitoring is needed
3. CMetronidazole replaces warfarin, so warfarin is stopped
4. DThe INR falls, so the risk of clotting increases

Why is adenosine used with caution in patients with asthma?

1. AIt reduces the effect of inhaled steroids
2. BIt causes severe hypertension in asthma
3. CIt can cause bronchospasm
4. DIt is broken down too slowly in asthma