NBME Sample Questions And Answers

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NBME Sample Questions And Answers RSV is an RNA virus that enters the cell via a fusion protein Correct Answer: (which is the target of the prophylactic monoclonal antibody drug Palivizumab) Gra... m-positive rods in a diabetic foot wound (or a World War I soldier fighting in a trench) means Correct Answer: means Clostridium perfringens (the causative organism of gas gangrene). Crepitus means gas in the tissues, which is produced as a byproduct of its highly virulent alpha toxin Crepitus Correct Answer: means gas in the tissues, which is produced as a byproduct of its highly virulent alpha toxin Clostridium perfringens Correct Answer: (the causative organism of gas gangrene). The causative organism of a a necrotizing wound with a purplish. black discoloration Correct Answer: most likely produces an alpha toxin virulence factor With Von Willebrand's Correct Answer: the only laboratory abnormality is increased bleeding time (literally you prick the patient and see how long it takes them to stop bleeding). von Willebrand diseaseFrequently, On Step, bleeding women have VWD. Bleeding boys have hemophilia. Correct Answer: is by far the most common inherited bleeding diathesis. On the USMLE Step exam Correct Answer: bleeding women have VWD. Bleeding boys have hemophilia. Autism -like behaviour Correct Answer: resist making eye contact and flapping hands Fragile X Syndrome Correct Answer: Autism-like behaviors (resist making eye contact and flapping hands) and large testicles after puberty Fragile X Syndrome caused by Correct Answer: trinucleotide repeat expansion RSV is an RNA virus that enters the cell Correct Answer: via a fusion protein (which is the target of the prophylactic monoclonal antibody drug Palivizumab).* RSV is an RNA virus Correct Answer: causes RSV Bronchialitis RSV is an RNA virus Correct Answer: has a property of mediation of cell entry via fusion protein β2 adrenergic agonists' effects on smooth muscle Correct Answer: cause dilation of bronchial passages, vasodilation in muscle and liver, relaxation of uterine muscle, and release of insulin β2 adrenergic agonists Correct Answer: are primarily used to treat asthma and other pulmonary disorders, such as COPD bilateral wheezing as a result of a bee sting The purpose of Rhogam Correct Answer: is to bind to and remove the RhD antigens so that the mother does not form an immune response against the antigen in fetus' blood. Rhogham administration Correct Answer: It's given to at-risk Rh- moms at 28 weeks and at deliver Mom is group O and baby is RH Negative give Correct Answer: give Rhogham Metformin causes Correct Answer: 1. Hepatic glucose out put to be decreased 2. target tissue glucose uptake and utilization to be increased Metformin(Glucophage) Correct Answer: decreases hepatic glucose production, decreases intestinal absorption of glucose, and improves insulin sensitivity by increasing peripheral glucose uptake and utilization.* colicky right flank pain that radiates to the groin and hematuria. Ultrasound examination of the kidneys shows right-sided hydronephrosis and a dilated ureter. Which of the following is most likely to be found on urinalysis? Correct Answer: Uric acid crystals Neisseria gonorrhoeae gram stain of the exudate Correct Answer: shows numerous neutrophils, many that contain intracellular gram-negative diplococci. Neisseria gonorrhoeae Correct Answer: is able to switch out different pilin genes, and for this reason, prior infection does not confer long-lasting immunity. Gonorrhea Correct Answer: Gonorrhea can change its pilus, which is responsible for adhesion to host cells and the main antigen to which the host mounts an immune response. Neisseria gonorrhoeae Correct Answer: has the property of antigenic variation which causes reinfection Neisseria gonorrhoeae Correct Answer: 1.dysuria and a yellow urethral exudate. 2.Gram stain of the exudate shows numerous neutrophils, many that contain intracellular gram-negative diplococci. 3. had three similar episodes of urethritis over the past 2 years. anorexic Correct Answer: She appears emaciated. She is 163 cm (5 ft 4 in) tall and weighs 40 kg (88 lb); BMI is 15 kg/ Anorexia leads to hypogonadotropic hypogonadism Correct Answer: as the body realizes that the possibility of nourishing a fetus is zero and gives up the pretense A 17-year-old girl is brought to the physician by her mother because she has not had a menstrual period for 6 months. The patient is unconcerned about the lack of menses. Menarche occurred at the age of 12 years, and menses had occurred at regular 28-day intervals until they became irregular 1 year ago. She is a member of her high school gymnastics team. She appears emaciated. She is 163 cm (5 ft 4 in) tall and weighs 40 kg (88 lb); BMI is 15 kg/m2. Her pulse is 54/min, and blood pressure is 80/50 mm Hg. Which of the following is the most likely cause of this patient's amenorrhea? Correct Answer: Answer: hypogonadotrophic hypogonadism There's a lot of supporting data, but one should guess this answer once you read the word "gymnast" (or "dancer"). Atorvastatin Correct Answer: used to treat high cholesterol A person with high LDL-Cholesterol cholesterol and htn can be treated with Correct Answer: a statin (atorvastatin) and losartan Treating a person with atorvastatin and losartan, they will have Correct Answer: high HDL and triglycerides atorvastatin and losartan increase HDL Correct Answer: due to reduction of triglyceride-rich lipoproteins, with a secondary decrease in cholesteryl ester transfer protein activity, and less transfer of HDL cholesterol to triglyceride-rich lipoprotein acceptor particles. Androgens stimulate sebaceous glands Correct Answer: and cause acne. In girls, this is primarily due to adrenarche (DHEA/DHEAS androgen production made by the adrenal gland the zona reticularis). granulomatous disease Correct Answer: which is a deficiency in NADPH oxidase which is the initial step in the respiratory burst present in the phagolysosome. CGD Correct Answer: usually presents with recurrent bacterial and fungal infections before the age of five Flow cytometry using CD11 and CD18 monoclonal antibodies Correct Answer: would be used in diagnosing leukocyte adhesion deficiencies. Boys can also blame testosterone Correct Answer: from gonadal puberty (pubarche). most likely cause of acne Correct Answer: the stimulation of the sebaceous glands stimulated by androgens Diffuse low-level ST elevation/diffuse ST-segment elevation in all leads and distant heart sounds Correct Answer: pericarditis With pericarditis Correct Answer: These patients often complain of pleuritic chest pain that is somewhat alleviated by sitting up and leaning forward and have distant heart sounds. With pericarditis Correct Answer: Common test causes include viruses, uremia, and 2-3 weeks after myocardial infarction (Dressler syndrome). Electrical alternans on boards Correct Answer: means a big pericardial effusion (and usually cardiac tamponade physiology) Electrical alternans/big pericardial effusion (and usually cardiac tamponade physiology) underlying etiology Correct Answer: renal failure [Show More]

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