1103 USMLE QUESTIONS BANK November 16, 2022 1 Min Read 1 USMLE QUESTION BANK USMLE quiz helps us to increase our knowledge Read moreScrape Multiple-Choice Questions from the Web1 / 20 1) Which one of the following types of drug interactions occurs when aspirin is given with acetaminophen? A) Additive B) Permissive C) Synergistic D) Tachyphylactic Read moreCookie Policy This occurs when the effect of the 2 medications is equal to the sum of their individual effects. 2 / 20 2) A 3-month-old girl is brought to the clinic due to weakness and pallor for one week. History claims that she was born after premature delivery. She is normal in development and growth. She is breastfed and her immunizations are up to date. What is the most appropriate treatment? A) Milk formula instead of breastfeeding B) Iron supplement C) Vitamin C supplement D) Vitamin D supplement Iron supplementation in the form of iron-fortified formula or oral ferrous sulfate is recommended to prevent anemia especially in premature infants. Breastfeeding is still recommended for its benefits. Vitamin C should be added to diet at 6-month of age. Vitamin D is used in cases of deficiency and in certain cases later in life. 3 / 20 3) Alkylating agents are associated with bone marrow depression and for this reason they are inappropriate for this patient. A) Deletion of a gene on the affected chromosome B) Duplication of a gene on the affected chromosome C) Missing of a chromosome D) Presence of an extra chromosome E) Replication of a chromosome This is most likely a case of retinoblastoma. Familial cases of retinoblastoma are associated with deletion of Rb gene on chromosome 13. These patients are also at risk of developing osteosarcoma as well. 4 / 20 4) What is the most appropriate treatment of organophosphate poisoning? A) Hexamethonium B) Morphine C) Pralidoxime D) Pyridostigmine 5 / 20 5) Which of the following is an epithelial tumor with a “stuck-on†appearance? A) Actinic keratosis B) Basal cell carcinoma C) Seborrheic keratosis D) Squamous cell carcinoma 6 / 20 6) Which one of the following reactions occurs between five days and three months after transplant? A) Hyperacute rejection B) Acute rejection C) Chronic rejection D) Delayed rejection 7 / 20 7) 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 cardiologist C) Transfer to the nearest hospital 8 / 20 8) Which of the following is the most common cause of acute mesenteric ischemia? A) Abdominal aortic aneurysm B) Embolism C) Mesenteric vein thrombosis D) Vascular autoimmune disease 9 / 20 9) Which of the following is the major indication of ondansetron in patients receiving chemotherapy? A) Hair loss B) Nausea and vomiting C) Headache D) GERD 10 / 20 10) Which one of the following is the best treatment of trigeminal neuralgia? A) Carbamazepine B) Fluoxetine C) Methylphenidate D) Riboflavin It is the only one on the list effective to subsides trigeminal neuralgia. 11 / 20 11) A 15-year-old male is brought to the emergency department for ataxia, hyperactivity, hallucinations, abusive language and nystagmus. Which of the following is most likely responsible for his condition? A) Amphetamines B) Barbiturates C) Cocaine D) Phencyclidine (PCP) It is the only drug on the list that can use these clinical features. 12 / 20 12) A 19-year-old man presents with syncope, dyspnea and chest pain with exercise. A crescendo-decrescendo murmur without carotid radiation is heard over the left sternal border. What is the most likely diagnosis? A) Aortic stenosis B) Hypertrophic cardiomyopathy C) Mitral stenosis D) Myocardial infarction An aortic systolic murmur without carotid radiation is diagnostic of left ventricular hypertrophy which is most likely caused by cardiomyopathy at this age. 13 / 20 13) Which of the following conditions is characterized by the presence of periventricular calcified densities on brain imaging? A) Cytomegalovirus infection B) Down syndrome C) Huntington’s disease D) Toxoplasmosis Calcification only occurs in CMV and toxoplasmosis but they are scattered in the cortex in toxoplasmosis. 14 / 20 14) Which of the following predicts better prognosis in cases of breast cancer? A) Family history of breast cancer B) No metastases in the nearest lymph nodes C) Positive estrogen receptor D) Tumor stage 2 Low stage breast cancer is successfully treatable. 15 / 20 15) Which of the following types of cells predominantly lines the conducting airways of the lung and is considered an important defense mechanism? A) Basal cells B) Ciliated cells C) Endocrine cells D) Goblet cells All these cells are present in the conducting airways but the ciliated cell is the primary defense mechanism against bacteria and other foreign bodies. 16 / 20 16) Which of the following medications is used in opioid overdose? A) Flumazenil B) Naloxone C) Norepinephrine D) Phencyclidine It is the only one on the list that oppose opioid toxicity. 17 / 20 17) A patient is diagnosed with posterior dislocation of the hip. Which one of the following ligaments is most likely torn? A) Iliofemoral ligament B) Ischiofemoral ligament C) Lacunar ligament D) Sacrotuberous ligament This ligament reinforces the capsule of the hip posteriorly. 18 / 20 18) A 72-year-old woman presents for her routine examination. She is healthy and exercising regularly. Her weight is 145 lb. and her height is 5’5. She has a family history of breast cancer. Her pulse is 70/min and blood pressure is 120/80. Her lipid panel is within normal limits. Which one of the following is the most likely risk factor to develop atherosclerosis in this woman? A) Age B) Blood pressure C) Exercise D) Family history of breast cancer E) Weight Her age is the only risk factor for her but her healthy lifestyle can negate this risk. 19 / 20 19) Which one of the following drugs is the first line medication in transplant immunopharmacology? A) Cyclosporine B) Methotrexate C) Sulfasalazine D) Thalidomide Methotrexate and sulfasalazine are used in the treatment of rheumatoid arthritis and some cancers. Thalidomide is used in erythema nodosum leprosum and multiple myeloma. 20 / 20 20) A 1-year-old boy with a diagnosis of stable small ventricular septal defect is scheduled for a dental procedure. Which of the following medications should be administered prior to this procedure? A) Amoxicillin B) Ampicillin C) Azithromycin D) No medication Recent recommendations of American Heart Association only require prophylactic antibiotics for cases of previous history of endocarditis, prosthetic valves, heart transplant patients and severe cyanotic heart diseases. Your score is 0% Restart quiz Uncategorized Show Comments Leave a Reply Cancel reply Save my name, email, and website in this browser for the next time I comment. Hover or click the text box below Share Article:
