Usmle step 1 exam - Study guides, Class notes & Summaries

BIOCHEMISTRY USMLE STEP 1 EXAM QUESTIONS WITH CORRECT ANSWERS Achondroplasia involves what defect? -ANS_ Cell-signlaling defect of fibroblast growth factor (FGF) receptor 3 The splicesome exsises introns or exons? -ANS_ Introns What chemotherap agent inhibits thymidylate synthase (therefore decreasing pyrmidine synthesis for DNA)? -ANS_ 5-fluorouracil

2024 NBME CBSE ACTUAL EXAMS A & B (2 VERSIONS) WITH 300 QUESTIONS AND CORRECT DETAILED ANSWERS NEWEST UPDATE (usmle step 1) MEDICAL EXAMINATION (BRAND NEW!!) 72 year old – ER – stroke symptoms – slurred speech and difficulty walking – left sided hemiparesis – Tongue deviates to right when protruded – proprioception and sensation to light touch are absent over the left upper and lower extremity – Which site in brain stem is damaged =Area Labeled C

USMLE Step 1 Exam Test Bank Questions And Answers 2024/2025 Latest Upgrade With Complete Solution Verified By Expert Grade A+ 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 cons...

What number is in the denominator for the RATE of divorce? - correct answerPer 100 marriages What number is in the denominator for the RATE of infant mortality? - correct answerPer 1000 live births What is the typical RATE given in epidemiology for most cases? - correct answerPer 100,000. What are most disease rates in the US for most all diseases? - correct answerLess than 50 per 100,000.... Almost ALL are below 100 per 100,000 What is an INCIDENCE rate? - correct answerThe rate of ...

What gland is found in the muscular triangle of the neck? ANS- 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? ANS- 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 occurs when light is shined in the...

What is the equation used to calculate electrochemical equilibrium? - correct answerNernst equation E(ion) = 2.3RT/zF * log (Xa/Xb) What is a reflection coefficient? - correct answerA number between zero and one that describes the ease with which a solute permeates a membrane What is the most common cause of neural tube defects? - correct answerfolate deficiency What is the most common cause of congenital malformations in the US? - correct answeralcohol use What is the most common...

2023 USMLE Step 1 Exam Test Bank questions AND ANSWERS LATEST |AGRADE What gland is found in the muscular triangle of the neck? - ANSWER- 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? - ANSWER- Afferent pupillary defect (CN II lesion); in an efferent pupillary defect (CN III), B/L constrict when light is shined in the ...

Pharmacology USMLE step 1 Exam NEW UPDATE 2023 WITH QUESTIONS AND CORRECT ANSWERS |GRADED A What are the major functions of the α1 receptor? - ANSWER- Increase vascular smooth muscle contraction, increase pupillary dilator muscle contraction (mydriasis), increase intestinal and bladder sphincter muscle contraction What are the major functions of the α2 receptor? - ANSWER- Decrease sympathetic outflow, decrease insulin release, decrease lipolysis, increase platelet aggregation, dec...

USMLE Step 1 Exam Questions and Answers 2024.

Pharmacology USMLE step 1 Exam NEW UPDATE 2023 WITH QUESTIONS AND CORRECT ANSWERS |GRADED A What are the major functions of the α1 receptor? - ANSWER- Increase vascular smooth muscle contraction, increase pupillary dilator muscle contraction (mydriasis), increase intestinal and bladder sphincter muscle contraction What are the major functions of the α2 receptor? - ANSWER- Decrease sympathetic outflow, decrease insulin release, decrease lipolysis, increase platelet aggregation, dec...