Usage for hash tag: february2020usmle2ck

#february2020usmle2ck Which of the following tests is the most accurate one to confirm the diagnosis of achalasia? A- Barium esophagram B- Chest-x-ray C- Manometry D- Upper endoscopy

#february2020usmle2ck Which one of the following drugs is the most effective for nausea and vomiting of pregnancy? A- Cimetidine B- Loratadine C- Meclizine D- Ondansetron

#february2020usmle2ck Which one of the following local anesthetics can NOT be given parenterally due to its physicochemical properties? A- Benzocaine B- Etidocaine C- Mepivacaine D- Procaine

#february2020usmle2ck Stimulation of muscarinic receptors by pilocarpine is competitively inhibited by which of the following medications? A- Atropine B- Edrophonium C- Physostigmine D- Pralidoxime

#february2020usmle2ck Which of the following is characteristic of Alzheimer’s disease? A- Lewy bodies B- Negri bodies C- Neurofibrillary tangles D- Nuclear atypia

#february2020usmle2ck A patient with a history of diabetes presents with dark bronze skin pigmentation and multiple arthralgia. Which of the following would be detected in a joint aspirate? A- Copper B- Hemosiderin C- Monosodium urate crystals D- Negatively birefringent particles

#february2020usmle2ck Which of the following markers identifies B lymphocytes in a blood sample treated with different fluorescent-labeled antibodies? A- CD3 B- CD4 C- CD8 D- CD19

#february2020usmle2ck What is the most appropriate next step in management of a patient complaining of symptoms of GERD? A- Barium swallow B- Endoscopy C- Omeprazole D- Ranitidine

#february2020usmle2ck Which one of the following can be found in sickle cell disease? A- Bite cells B- Howell-Jolly bodies C- Schistocytes D- Spherocytes

#february2020usmle2ck A patient comes to a rural hospital one hour after he experienced excruciating chest pain. After workup, you diagnose his case as myocardial infarction. The nearest hospital is 2-hour away. What is the best next step? A- Administer thrombolytic now B- Consult a...

#february2020usmle2ck Which of these medications is the drug of choice in treatment of severe digitalis intoxication? A- Bupropion B- Calcitonin C- Immune Fab D- Propranolol

#february2020usmle2ck Which one of the following analgesics inhibits COX in CNS and can be used safely for pregnant women? A- Acetaminophen B- Acetylsalicylic acid C- Ibuprofen D- Naproxen

#february2020usmle2ck Which of the following leads to toxic reactions when a drug is taken repeatedly? A- Absorption disorder B- Cumulative action C- Tachyphylaxis D- Tolerance

#february2020usmle2ck Megaloblastic anemia is caused by folic acid or Vitamin B12 deficiency. Which of these reactions is directly affected by vitamin B12 deficiency? A- Malonyl CoA >> palmitate B- Methylmalonyl CoA >> succinyl CoA C- Propionyl CoA >> methylmalonyl CoA D- Succinyl CoA >>...

#february2020usmle2ck Which one of the following nerves would be likely affected if a stab injury is established to the lower brachial plexus (C8-T1)? A- Axillary nerve B- Musculocutaneous nerve C- Radial nerve D- Ulnar nerve

#february2020usmle2ck Which one of the following conditions most likely occurs during normal delivery when the shoulders of the baby are impacted behind the maternal bony pelvis? A- Frozen shoulder B- Rotator cuff tear C- Shoulder dystocia D- Tendinitis

#february2020usmle2ck Which of the following side effects is the most common after prolonged use of SSRIs? A- Headache B- Insomnia C- Nausea D- Sexual dysfunction

#february2020usmle2ck Which of the following placental sites of insertion most likely predispose to an inverted uterus? A- Anterior B- Fundal C- Lower D- Posterior

#february2020usmle2ck Which of the following conditions should be screened at the age of 50? A- Adrenal insufficiency B- Colon cancer C- Lung cancer D- Prostate cancer

#february2020usmle2ck Which one of the following drugs is a selective beta-1 agonist? A- Amrinone B- Digoxin C- Dobutamine D- Dopamine