Usmle review Study guides, Class notes & Summaries

USMLE Step 1 Rapid Review – Questions and 100% Correct Answers USMLE Step 1 Rapid Review – Questions and 100% Correct Answers USMLE Step 1 Rapid Review – Questions and 100% Correct Answers

STEP 1 USMLE REVIEW WITH COMPLETE SOLUTION often precedes squamous cell carcinoma - actinic keratosis often precedes squamous cell carcinoma - actinic keratosis primary adrenocortical deficiency - Addison's disease primary adrenocortical deficiency - Addison's disease polyostotic fibrous dysplasia, precocious puberty, cafe-au-lait spots, short stature, young girls - diagnosis? - Albright's syndrome polyostotic fibrous dysplasia, precocious puberty, cafe-au-lait spots, short stature, y...

USMLE STEP 1 COMPREHENSIVE REVIEW PART I What gland is found in the muscular triangle of the neck? - Thyroid gland Is an afferent or efferent pupillary defect described as B/L pupillary constriction when light is shined in the unaffected eye and B/L paradoxical dilation when light is shined in the affected eye? - Afferent pupillary defect (CN II lesion); in an efferent pupillary defect (CN III), B/L constrict when light is shined in the unaffected eye and consentual pupil constriction occu...

USMLE STEP 1 RAPID REVIEW EXAM 2024 WITH 100% CORRECT ANSWERS abdominal pain, ascites, hepatomegaly - correct answer Budd-Chiari syndrome Familial hypercholesterolemia - correct answer achilles tendon xanthoma adrenal hemorrhage, hypotension, DIC - correct answer Waterhouse-Friderichsen syndrome biochemistry of Marfan's syndrome - correct answer fibrillin defect posthepatic venous thrombosis - correct answer Budd-Chiari syndrome Familial hypercholesterolemia biochemistry - cor...

USMLE STEP 3 REVIEW EXAM 2024 WITH 100% CORRECT ANSWERS Tx of IBS - correct answer Best initial therapy: *Fiber* If fiber fails: Antispasmodic/anticholinergic agents. First line: 1. Dicyclomine 2. Hyoscyamine Secondline: 1. TCA's (amitriptyline) CCS, What test should you order for IBS? - correct answer 1. Stool: stool guiac, leukocytes, cultures, ova & parasites. 2. Colonoscopy 3. Abdominal CT scan Umbilical hernia in newborns is associated with? - correct answer Congenit...

USMLE STEP 3 REVIEW EXAM 2024 WITH 100% CORRECT ANSWERS Tx of IBS - correct answer Best initial therapy: *Fiber* Antispasmodic/Anticholingergics: dicyclomine, Hyoscyamine Second line- TCAs (amitryptiline) CCS, What test should you order for IBS? - correct answer 1. Stool: stool guiac, leukocytes, cultures, ova & parasites. 2. Colonoscopy 3. Abdominal CT scan Umbilical hernia in newborns is associated with? - correct answer Congenital hypothyroidism Screen with TSH (you should sc...

Michaelis-Menten Kinetics Correct Answer [S] = Concentration of substrate V = Velocity Km is inversely related to the affinity of the enzyme for its substrate Vmax = Directly proportion to the enzyme concentration Most enzymatic reactions follow of hyperbolic curve [Michaelis-Menten] kinetics Enzymatic reactions that exhibit a sigmoid curve [Hemoglobin] exhibit positive cooperativity Lineweaver-Burk Correct Answer ↑ y-intercept, ↓ Vmax The further to the right, the x-intercept [Cl...

USMLE STEP 3 REVIEW EXAM 2024 WITH 100% CORRECT ANSWERS Antimitochondrial antibodies? - correct answer Primary biliary cirrhosis Antismooth muscle antibody? - correct answer Primary sclerosing cholangitis What is the best initial test for primary sclerosing cholangitis? Most accurate? - correct answer Initial: elevated ALP, *elevated bilirubin* Best: ERCP (beading of biliary system) Others: antismooth muscle antibody, ANCA positive Treatment for both primary biliary cirrhosis and p...

USMLE REVIEWED QUESTIONS AND ANSWERS Abdominal pain, ascites, hepatomegaly, (also high D dimer, CHF without JVD) - CORRECT ANSWER-Budd-Chiari syndrome Achilles tendon xanthoma - CORRECT ANSWER-Familial hypercholesterolemia Adrenal hemorrhage, hypotension, DIC - CORRECT ANSWERWaterhouse-Friderichsen syndrome (meningococcemia) Arachnodactyly, lens dislocation, aortic dissection, hyperflexible joints - CORRECT ANSWER-Marfan's (fibrillin defect) Athlete with polycythemia - CORRECT A...