Usage for hash tag: march2020usmle2ck

#march2020usmle2ck Aspirin has anti-platelet effect that lasts for the life of the platelet. What is the average life of a platelet? A- 24 hours B- 2-4 days C- 7-10 days D- 120 days

#march2020usmle2ck Which one of the following viruses most likely causes aplastic crisis in sickle cell disease? A- Hepatitis C virus B- Herpes simplex virus C- Parvovirus B19 D- Rotavirus

#march2020usmle2ck Which of the following is the most common inherited cause of hypercoagulability? A- Congenital antithrombin III deficiency B- Factor V Leiden mutation C- Protein C deficiency D- Prothrombin gene mutation

#march2020usmle2ck Which of the following is the diagnostic test used when ultrasound is equivocal for cholecystitis? A- Abdominal x-ray B- CT scan C- HIDA scan D- Liver function tests

#march2020usmle2ck Which of the following is the mechanism of action of vinblastine? A- Interferes with DNA mobilization and replication B- Interferes with microtubule assembly C- Interferes with microtubule disassembly D- Interferes with purine synthesis

#march2020usmle2ck Which of the following local anesthetics causes vasoconstriction and may lead to an increase of blood pressure? A- Benzocaine B- Cocaine C- Lidocaine D- Tetracaine

#march2020usmle2ck Which of the following drugs acts directly on dopamine receptors to improve the effects of Parkinson’s disease? A- Amantadine B- Bromocriptine C- Carbidopa D- Selegiline

#march2020usmle2ck Which of the following substances is the risk factor in developing mesothelioma? A- Asbestos B- Copper C- Lead D- Silica

#march2020usmle2ck Which of the following receptors is the most likely affected in patients with diabetes mellitus? A- End-bulbs of Krause B- Meissner’s corpuscle C- Pacinian corpuscle D- Ruffini’s end organ

#march2020usmle2ck Which one of the following symptoms is most likely found in Parkinson’s disease? A- Chorea B- Cogwheel rigidity C- Intention tremors D- Visual hallucinations

#march2020usmle2ck Which one of the following metals is the most likely cause of allergic contact dermatitis especially in females? A- Copper B- Gold C- Nickel D- Silver

#march2020usmle2ck Which one of the following drugs increase survival in patients with MI? A- Atenolol B- Digoxin C- Furosemide D- Verapamil

#march2020usmle2ck What are the 5 Ps of ischemia due to peripheral vascular disease? A- Pain-Pallor-Paralysis-Polycythemia-Proteinuria B- Pain-Pallor-Paralysis-Paresthesia-Poikilothermia C- Pain-Pallor-Paresthesia-Proteinuria-Poikilothermia D- Pain-Pallor-Proteinuria-Paresthesia-Paralysis

#march2020usmle2ck Which one of the following medications causes black stools? A- Ampicillin B- Buspirone C- Iron D- Propranolol

#march2020usmle2ck Which one of the following cephalosporins belongs to the third generation? A- Cefaclor B- Cefixime C- Cefoxitin D- Ceftin

#march2020usmle2ck Which one of the following drugs is used to treat copper toxicity? A- Aminocaproic acid B- Atropine C- Penicillamine D- Protamine

#march2020usmle2ck Primitive spermatogenic germ cells are located in which one of the following sites? A- Interstitium of the testes B- Seminal vesicles C- Seminiferous tubules D- Vas deferens

#march2020usmle2ck Which of the following is the mode of inheritance of cystic fibrosis? A- Autosomal dominant B- Autosomal recessive C- X-linked dominant D- X-linked recessive

#march2020usmle2ck Which one the following parts of the large intestine is extraperitoneal? A- Cecum B- Descending colon C- Sigmoid colon D- Transverse colon

#march2020usmle2ck Which one of the following is the most common cause of vitiligo? A- Autoimmune B- Chemical C- Infection D- Trauma