ورقة عمل علم الأدوية مع الإجابات

How does ezetimibe lower cholesterol?

1. AIt inhibits HMG-CoA reductase in the liver
2. BIt increases the excretion of cholesterol in the urine and bile
3. CIt binds bile acids in the gut
4. DIt reduces the absorption of cholesterol from the intestine

الأدوية التي تنتهي أسماؤها بـ "-olol"، مثل الأتينولول، تنتمي إلى أي فئة؟

1. Aحاصرات بيتا
2. Bالستاتينات
3. Cحاصرات قنوات الكالسيوم
4. Dمثبطات ACE

How long does it usually take for an SSRI to improve mood noticeably?

1. AAbout six months
2. BA few hours
3. COne or two days
4. DSeveral weeks

100 mL of an antibiotic is to be given over 30 minutes using a giving set of 20 drops/mL. What is the drip rate?

1. AAbout 33 drops per minute
2. BAbout 20 drops per minute
3. CAbout 67 drops per minute
4. DAbout 100 drops per minute

Bethanechol may be used for non-obstructive urinary retention. How does it work?

1. AIt stimulates muscarinic receptors and contracts the bladder muscle
2. BIt increases urine production in the kidney
3. CIt shrinks the prostate gland
4. DIt blocks muscarinic receptors and relaxes the bladder wall muscle

أي أثر ضار نموذجي للميتوكلوبراميد، خاصةً لدى الشباب؟

1. Aإمساك شديد
2. Bسعال جاف
3. Cانخفاض سكر الدم
4. Dاضطرابات حركية خارج هرمية مثل خلل التوتر الحاد

A patient who takes clonidine stopped it suddenly two days ago. He is now agitated, has a headache and his blood pressure is very high. What is the most likely explanation?

1. ANormal variation unrelated to the medication
2. BClonidine toxicity due to slow excretion by the kidneys
3. CAn allergic reaction to clonidine
4. DRebound hypertension from abrupt clonidine withdrawal

A patient has a serum potassium of 7,0 mmol/L (mEq/L) and peaked T waves on the ECG. Which drug is given first to protect the heart?

1. AOral sodium polystyrene sulfonate
2. BIntravenous furosemide
3. CIntravenous calcium gluconate
4. DOral potassium chloride