MCQ Pharma Flashcards
(213 cards)
1) One or the following anti-diabetics increases the insulin release via blocking ATP- sensitive K*-channel (K-ATP-Channels) of B -Cells of the pancreas:
a) Biguanides
b) Sulphonylurea
c) Thiazolidinediones
d) Alpha-Glucosidase Inhibitors
b) Sulphonylurea
2) Which of the following statements is true for oral anti-diabetic drugs?
a) Meglitinide is ineffective in regulating postprandial glucose
b) Metformin could decrease absorption of vitamin B-12
c) Pioglitazone is harmless to the liver
d) Acarbose can be used for diabetic patients suffering from gastrointestinal tract disturbances and flatulence
b) Metformin could decrease absorption of vitamin B-12
3) The mechanism of insulin secretion involves which of the following?
a) Opening of ATP-dependent potassium channels
b) Increase in intracellular calcium
c) Hyperpolarization of beta cells
d) Block of sodium channels
b) Increase in intracellular calcium
4) A female who has Type 2 diabetes mellitus is obese and wishes to lose weight. Which of the following medications would you advise her to use?
a) Thyroxine supplements
b) Liraglutide
c) Sulfonylurea
d) Prednisone
b) Liraglutide
5) Which of the following is an adverse reaction to methimazole?
a) Teratogenicity
b) CNS toxicity
c) Vomiting
d) Renal toxicity
a) Teratogenicity
6) 2-year-old boy was brought to the emergency department because of fever, irritability, increased lethargy, and multiple episodes of diarrhea. The mother reported that she found her levothyroxine bottle empty a few hours earlier. Vital signs of the boy were blood pressure 130/80 mm Hg, heart rate 180 bpm, respirations 26/min. Laboratory test results on admission showed a total tri iodothyronine level of 472 ng/dL (normal: 40-130 ng/dL). Which of the following drugs should be administered first to control hormone-related effects that could be rapidly lethal in this patient?
a) Betamethasone
b) Propranolol
c) Potassium iodide
d) Propylthiouracil
b) Propranolol
7) Long-term administration of glucocorticoids can cause which of the following?
a) Proximal myopathy
b) Hyperkalemia
c) Hypotension
d) Hearing impairment
a) Proximal myopathy
8) Cortisol can be used in the treatment of….
a) Inflammatory bowel syndrome
b) Cataract
c) Diabetes mellitus
d) Hypertension
a) Inflammatory bowel syndrome
9) Sudden stoppage of glucocorticoids after prolonged use may result In……..
a) Parkinsonism
b) Angina
c) Acute adrenal insufficiency
d) Hypertension
c) Acute adrenal insufficiency
10) Which of the following is alpha-glucosidase inhibitor?
a) Glimepiride
b) Canagliflozin
c) Pramlintide
d) Acarbose
d) Acarbose
11) Which of the following drugs is most likely to cause hypoglycemia when used as monotherapy in the treatment of type 2 diabetes?
a) Acarbose
b) Glyburide
c) Metformin
d) Rosiglitazone
b) Glyburide
12) Which of the following insulin preparations can be given intravenously?
a) Neutral Protamine Insulin
b) Insulin glargine
c) Regular soluble insulin
d) Insulin detemir
c) Regular soluble insulin
13) A child with type 1 diabetes mellitus is on insulin. He is going to have surgery. Which of the following therapeutic regimens would you choose?
a) Shift to a sulfonylurea
b) Shift to metformin
c) Keep using insulin
d) Stop insulin for some time
c) Keep using insulin
14) A 53-ycar-old woman recently diagnosed with hyperthyroidism Blurted an appropriate treatment. One month later, the following laboratory values were obtained: Red blood cell count (RBC): 4.6 x 10^6/mmJ (normal 4.0-5,5 x I0^6/mm.1), White blood cell count (WBC): 0.6 x l0^3/mm3 (normal 3.2—9.8 x l0^6/mm3), Platelets 180 x 103/mm3 (normal 140-400 x |()6/min’). Which of the following drugs most likely caused these results?
a) Radioactive iodine
b) Potassium iodide
c) Methimazole
d) Propranolol
c) Methimazole
15) Which of the following Is a drawback of radioactive Iodine therapy?
a) Subsequent hypothyroidism in many patients
b) Therapeutic effect is reversible by time.
c) Rapid onset but short duration of action
d) Difficulty in administration
a) Subsequent hypothyroidism in many patients
16) Which of the following Is a very potent mineralocorticoid?
a) Cortisol
b) Prednisolone
c) Prednisone
d) Fludrocortisone
d) Fludrocortisone
17) Which of the following Is one of adverse effects of glucocorticoids?
a) Hypotension
b) Hypoglycemia
c) Bronchial asthma
d) Delays healing of wounds
d) Delays healing of wounds
18) Glucocorticoids have been proven useful In the treatment of which of the following medical conditions?
a) Heart failure
b) Glaucoma
c) Skin allergy
d) Angina
c) Skin allergy
19) The following Is used In hypoglycemia coma If the patient could not take oral glucose:
a) Liraglutide
b) Canagliflozin
c) Glucagon
d) Sitagliptin
c) Glucagon
20) Which of the following oral antidiabetic agents arc often associated with weight gain In type 2 diabetic patients?
a) Metformin
b) a-Glucosidase inhibitors
c) Gliptins (DPP-4 inhibitors)
d) Thiazolidinediones.
a) Metformin
21) Insulin Lispro is:
a) An ultra-short acting insulin analogue
b) A premixed insulin
c) An intermediate acting insulin
d) A human recombinant insulin
a) An ultra-short acting insulin analogue
22) Which of the following is an antidiabetic drug that enhances GLP-1 action and can be given orally?
a) Pramlintide
b) Liraglutide
c) Sitagliptin
d) Exenatide
c) Sitagliptin
23) A 33-year-old woman was admitted to the hospital because of anorexia, malaise, jaundice, and right upper quadrant abdominal pain for the past 2 days. The woman, who was 2 months’ pregnant, was diagnosed with hyperthyroidism 1 month ago and started an appropriate therapy. Pertinent lab results on admission included alanine aminotransferase of 410 U/L (normal 20-40 U/L). Which of the following drugs most likely caused the patient’s disorder?
a) Methimazole
b) Radioactive iodine
c) Propylthiouracil
d) Propranolol
c) Propylthiouracil
24) Which of the following best describes the relationship between food and thyroid hormones?
a) Thyroid hormones should be taken with food.
b) Thyroid hormones are best taken on empty stomach.
c) Food does not affect absorption of thyroid hormones.
d) Dairy products increase absorption of thyroid hormones.
b) Thyroid hormones are best taken on empty stomach.