Phiếu bài tập Dược lý học có đáp án

Which harmless effect of rifampicin should patients be warned about?

1. AGreen colouring of the stools
2. BWhite spots on the teeth
3. CBlue colouring of the fingernails and lips
4. DOrange-red colouring of urine, sweat and tears

In Addison's disease, fludrocortisone is given to replace which hormone?

1. ACortisol
2. BAldosterone
3. CAdrenaline
4. DThyroxine

After chemotherapy, what is the "nadir"?

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

Thuốc chẹn beta như metoprolol chủ yếu chẹn thụ thể nào?

1. AThụ thể muscarinic ở tim
2. BThụ thể beta-3 ở mô mỡ
3. CThụ thể alpha-1 ở mạch máu
4. DThụ thể adrenergic beta-1 ở tim

A patient takes low-dose weekly methotrexate for rheumatoid arthritis. Which monitoring is needed?

1. AWeekly INR checks and a monthly ECG to check the heart rhythm
2. BMonthly hearing tests
3. CDaily blood glucose checks
4. DRegular blood count, liver and kidney function tests

A patient has oral mucositis after chemotherapy. Which advice is appropriate?

1. AUse an alcohol-based mouthwash several times a day to kill germs
2. BBrush hard with a firm toothbrush to remove debris
3. CEat spicy and acidic foods to stimulate healing
4. DUse a soft toothbrush and rinse with saline or a bland mouthwash

A patient with myasthenia gravis took extra pyridostigmine doses. She now has increasing weakness, heavy salivation, sweating, small pupils and diarrhoea. What is the most likely cause?

1. AMyasthenic crisis from too little anticholinesterase drug
2. BCholinergic crisis from too much anticholinesterase drug
3. CAn allergic reaction to pyridostigmine
4. DA stroke unrelated to the medication

A patient on long-term lithium passes large amounts of dilute urine and is always thirsty. What is the most likely explanation?

1. AThe patient is drinking too much and lithium is unrelated
2. BLithium blocks the kidney's response to ADH (nephrogenic diabetes insipidus)
3. CLithium increases ADH release from the pituitary
4. DLithium causes type 1 diabetes by destroying the pancreatic beta cells