ورقة عمل علم الأدوية مع الإجابات

Finasteride is used in benign prostatic hyperplasia because it:

1. AInhibits 5-alpha reductase and slowly shrinks the prostate
2. BRelaxes smooth muscle in the prostate within hours of the first dose
3. CIncreases testosterone production
4. DKills bacteria in the prostate

After chemotherapy, what is the "nadir"?

1. AThe day the drug is given
2. BThe point when the tumour is at its smallest after treatment
3. CThe time when nausea is worst
4. DThe point when blood cell counts are at their lowest

Which drug is first-line for symptomatic bradycardia in adults?

1. ADigoxin
2. BAtropine
3. CMetoprolol
4. DAdenosine

أي عامل يزيد خطر التسمم بالليثيوم؟

1. Aأخذ الجرعة مع الطعام
2. Bنظام غذائي غني بالملح
3. Cالجفاف
4. Dشرب ماء إضافي

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

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

Why is a progestogen added to oestrogen in hormone replacement therapy for a woman who still has her uterus?

1. ATo lower the risk of blood clots to zero
2. BTo reduce hot flushes much more than oestrogen alone can
3. CTo protect against endometrial hyperplasia and cancer
4. DTo prevent breast cancer completely

A patient taking dabigatran has a life-threatening bleed. Which specific reversal agent is used?

1. AProtamine sulfate
2. BIdarucizumab
3. CVitamin K
4. DAndexanet alfa

A patient taking co-trimoxazole develops fever, a spreading blistering rash and painful mouth sores. What is the most likely diagnosis?

1. AStevens–Johnson syndrome; stop the drug and get urgent medical care
2. BA mild rash that will settle; continue the drug and give moisturiser
3. COral thrush; start an antifungal and continue the antibiotic
4. DSunburn caused by the drug; advise sunscreen only