Free Questions and Answers for All Medical Students all over the World
Q- Lidocaine is an effective antiarrhythmic because of which of the following mechanisms? A- It blocks alpha-receptors B- It block beta-receptors C- It prolongs QT interval D- It prolongs PR interval E- It suppresses excitability in ischemic areas of the heart Q- Outpatient prophylaxis of superior ventricular tachycardia (SVT) is best accomplished by which of … Read more
Q- A 12-year-old girl is brought to the emergency room with her parents. Consent from the parents is needed to proceed with the treatment. The parents speak Spanish and very little English. What is the best next step of action? A- Find any Spanish-speaking person in the clinic to interpret the instructions B- Speak to … Read more
Q- Reflex tachycardia caused by systemic albuterol can be blocked by which of the following medications? A- Dobutamine B- Metoprolol C- Phenylephrine D- Prazosin Q- Which one of the following medications can be used safely in cases of lack of liver function? A- Clonazepam B- Diazepam C- Lorazepam D- Midazolam Q- Which of the following … Read more
Q- A-62- old woman presents to the ER in coma. Examination reveals temp of 90 F, pulse of 50, blood pressure of 100/60 and diffuse hyporeflexia. Thyroid gland is enlarged. What is the best next step? A- Begin intravenous fluids B- Intravenous levothyroxine and glucocorticoid C- Obtain T4 and TSH and wait for results D- … Read more
Q- A patient presents with painless scrotal mass and increased thyroid panel. Which of the following markers would be elevated in this patient? A- Alpha-fetoprotein B- Follicle stimulating hormone C- Human chorionic gonadotropin D- Lactate dehydrogenase Q- Niemann-Pick disease is characterized by deficiency of which one of the following enzymes? A- Alpha-glucosidase B- Arylsulfatase C- … Read more
Q1– Patients with genetic polymorphism have a delay in the metabolism of drugs by acetylation. Which one of the following drugs is most likely affected by that? A- Clonidine B- Hydralazine C- Nitroglycerin D- Prazosin Q2– Which of the following is the reason that nitroglycerin is given sublingually? A- It avoids first pass metabolism … Read more