Answer Form for USMLE Step 1 Sample Test Questions the Step 1 tutorial and practice test items that are provided on the USMLE website well before your . USMLE Step 3 Multiple Choice Test Question Formats. The following are strategies for answering one-best-answer questions (eg, Single Items, Multiple Item. Answer Sheet for USMLE Step 2 CK Sample Test Questions . questions that occur in the examination, and you must practice with the downloadable sample.
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USMLE Practice Questions. Directions: The USMLE Step 1 exam tests the Basic Sciences. Designed for US Medical Student's in their second year of Medical. Answer Form for USMLE Step 1 Sample Test Questions sample test items available on the USMLE Web site to be fully prepared for the examination. Look at the sample USMLE questions below and explore the sorts of questions you'll face on the exam. The USMLE Step 1 exam questions are in Clinical.
Trimethoprim sulfamethoxazole choice E is the drug of choice for treatment of Pneumocystis carinii pneumonia in full-blown AIDS. It is also used prophylactically in AIDS patients but would not be the drug of choice against Toxoplasma encephalitis.
She is taken to the emergency department where epinephrine is administered and the girl recovers. IgA B.
IgE C. IgG D.
IgM E. T cells Answers and Explanations B Many reactions to plant stings, animal stings, or drugs are IgE-mediated responses type 1, or immediate hypersensitivity reactions.
Such reactions include anaphylaxis, urticaria, and angioedema. In such reactions, an initial exposure to the antigen occurs, initiating B-cell proliferation and formation of IgE antibodies. When subsequent exposure occurs, sensitized mast cells and basophils release histamines, kinins, prostaglandins, and leukotrienes. The consequences can be profound, such as the vascular collapse seen in anaphylaxis.
Treatment for anaphylaxis is immediate administration of epinephrine. IgA choice A antibodies are secreted at mucosal surfaces, such as the gut lumen, and in secretions, such as tears and breast milk. They do not participate in type 1 hypersensitivity reactions. They do not participate in acute hypersensitivity reactions.
T cells choice E are not involved in immediate hypersensitivity reactions. The only significant past medical history is a streptococcal throat infection 3 weeks ago. Light microscopic evaluation of a kidney biopsy is negative for any glomerular pathology. Blood tests demonstrate elevated levels of cholesterol but decreased levels of albumin.
Urine tests are positive for protein. The body denies any diarrhea or pain on urination. The patient is treated and makes a full recovery.
Which of the following lowing is the most likely diagnosis? Acute nephritic syndrome B. Acute pyelonephritis C. Minimal change disease D. Postinfectious glomerulonephritis E.
Rapidly progressive glomerular nephritis Answers and Explanations C Minimal change disease lipoid nephrosis is the most common cause of nephrotic syndrome in children. They also have low serum albumin, edema, and hyperlipidemia. Light microscopic evaluation of minimal change disease, as the name suggests, is unremarkable. On electron microscopy, effacement of the podocyte foot process can be noted. Acute pyelonephritis choice B represents an infection of the collection system.
There would be pain on urination, with fever and costovertebral angle tenderness. Postinfectious glomerulonephritis choice D is associated with tea-colored urine; urine may be positive for protein but not to the level seen in nephritic syndrome. On light microscopic evaluation, there is leukocyte infiltration involving all areas of the glomeruli. It is also associated with hypertension, giving the classic nephritic syndrome pattern choice A. Rapidly progressive glomerulonephritis RPGN; choice E is associated with severe insults to the glomeruli.
Within minutes, he begins to experience severe spastic muscular paralysis, hypotension, bradycardia, vomiting, and excessive secretion of tears from his eyes and saliva from his mouth. After quickly administering the antidote, an atropine injection, he soon recovers from his symptoms, although he continues to exhibit muscular spasms for a longer time.
Which of the following biochemical events does this nerve gas affect? Breakdown of a neurotransmitter B. Diseases of the Mouth and Gastrointestinal Tract Diseases of the Liver, Gallbladder, and Biliary Tract Diseases of the Pancreas Diseases of the Male and Female Genital Tract Diseases of the Breast Diseases of the Endocrine System Diseases of the Musculoskeletal System Diseases of the Peripheral and Central Nervous Systems Wiki Test Prep [now defunct, but with questions available as a pdf for download] is was a student-written qbank with over questions with explanations.
The site is great, and you can browse questions by keyword, flag questions, and create your own tests. It also lets you know what percentage of students answer the question correctly, which is interesting.
The questions are in clinical-vignette board format. The site design is bit odd, but it works. Answers can be exposed during the test if desired and do contain explanations. Mom MD also has the identical sampler, only organized in six question pages with answers directly below questions ValueMD has a large question bank divided up by subject. The site also requires a free registration.