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1 ---------- Exam Section 1: Item 2 of 50 National, Board of Medical Examiners Comprehensive Basic Science Self-Assessment 2. Free purine and pyrimidine bases are reutilized in normal metabolism. In children with Lesch-Nyhan syndrome who have intellectual disability, poor muscle coordination, and self-mutilation tendencies, there is a defect in the salvage of which of the following pairs of bases? A) Adenine and thymine B) Guanine and hypoxanthine C) Guanine and uric acid D) Uracil and...

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318 páginas

Escrito en 2024/2025

Grado A

PossibleA

NBME 26 question with answers

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200 páginas

Escrito en 2024/2025

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eduustudent

This NBME 26 is a Comprehensive Basic Science Self-Assessment designed for USMLE Step 1 preparation, consisting of 200+ multiple-choice questions (4 blocks of 50) covering foundational medical sciences. It focuses on high-yield topics like [Lesch-Nyhan syndrome], [cardiac physiology], [pathology (compartment syndrome)], and [microbiology/infectious disease], offering detailed rationales for correct answers and distractor analysis to build diagnostic reasoning. Key Aspects of NBME 26 Questions &...

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277 páginas

Escrito en 2025/2026

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Studyacesmart

The NBME (National Board of Medical Examiners) Form 26 is one of the self‑assessment exams used by medical students to prepare for the USMLE Step 1. It evaluates readiness across basic sciences, pathology, pharmacology, physiology, microbiology, biochemistry, and behavioral sciences. The 2026/2027 verified study sets provide A+ graded questions and answers aligned with NBME/USMLE standards.

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262 páginas

Escrito en 2025/2026

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LECPOPC

Nbme 26 Exam

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2 artículos

STUVIAGRADES

Nbme 26 Exam Newest Version This Year With 300 Questions And Well Elaborated Answers

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381 páginas

Escrito en 2025/2026

ressyshii

Nbme 26 Exam All 200 Questions And Correct Answers Latest Update This Year New!!.

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391 páginas

Escrito en 2025/2026

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STUVIAGRADES

Nbme 26 Exam All 230 Questions And Verified Solutions Latest Update This Year

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398 páginas

Escrito en 2025/2026

Grado A+

STUVIAGRADES

Nbme 26 Exam 1 Newest With 250 Questions And Correct Verified Well Explained Answers Just Released This Year

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37 páginas

Escrito en 2025/2026

Grado A+

Ressy

Nbme 26 Exam Newest With 350 Questions And Correct Verified Well Explained Answers Just Released This Year

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391 páginas

Escrito en 2025/2026

Grado A+

Ressy

Nbme 26 Exam Updated Questions And Correct Answers.

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263 páginas

Escrito en 2025/2026

Grado A+

sirjoel

Nbme 26 Exam Updated Questions And Correct Answers.

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40 páginas

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sirjoel

Nbme 26 Questions And Answers

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171 páginas

Escrito en 2024/2025

Grado A+

princessann

Nbme 26 Questions And Answers

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171 páginas

Escrito en 2024/2025

Grado A+

princessann

3 sites of portosystemic anastamoses 1. Esophagus (L. Gastric <—> esophageal/azygos) 2. Umbilicus (Paraumbilical <—> epigastric veins) 3. Rectum (Superior rectal <—> middle & inferior rectal) TIPS procedure Treats portal HTN by shunting blood from portal vein to hepatic vein (bypassing liver) SE: Can lead to hepatic encephalopathy due to decreased ammonia clearance Esophageal Varices Dilated submucosal veins in the lower esophagus, 2nd to portal HTN (L. Gastric ...

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16 páginas

Escrito en 2024/2025

Grado A

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what anchors basal keratinocytes of the epidermis to the dermis -Correct Answer hemidesmosomes epidermolysis bullosa and bullous pemphigoid have mutations of disease of -Correct Answer collagen type 7 pemphigus vulgaris antibodies vs. -Correct Answer desmosomes what acts on the Cl pore of the GABA receptor, increasing the time the receptor is open -Correct Answer barbiturates apices of lung vs. base of lungs -Correct Answer apices: increased ventilation base: increased perfusion ...

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3 páginas

Escrito en 2024/2025

Grado A

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Genomic instability during S, G2, and M phase inc potential for growth and resistance to chemo X Ulnar nerve injury check abduction of the index, middle, ring and small fingers good D- deficiency of immune globulins absence of gamma fraction ADHD MED MOA inc release of dopamine and norepinephrine amphetamine salts =inc presynaptic release of dopamine and norepinephrine TESTIS DRAIN INTO --> LEFT RENAL VEIN --> DRAINED BY GONADAL VEINS -directly to the IVC on...

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59 páginas

Escrito en 2024/2025

Grado A

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Section 1: D. Absence of gamma regions, spike means amino deficiency with hypogammaglobulinemia or agammaglobulinemia. Guanine and hypoxanthine Tubular necrosis Blisters Increased JVP

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30 páginas

Escrito en 2024/2025

Grado A

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How can the jejunum be distinguished from the ileum? (5) 1. inner mucosal folds (plicae circulares) are more prominent, more numerous, and taller --> (this leads to increased mucosal SA and associated feathered appearance after the administration of oral contrast material) 2. larger caliber, thicker muscular walls 3. longer vasa rectae 4. fewer arcades 5. the ileum is notable for the presence of Peyer patches and mucosal lymphoid follicles What is the most likely explanatio...

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37 páginas

Escrito en 2024/2025

Grado A

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Absence of the gamma region on SPEP indicates -Correct Answer immunodeficiency with hypogammaglobulinemia or agammaglobulienmia increased left atrial pressure during ventricular systole on the pressure-time graph indicates -Correct Answer mitral regurgitation, likely from rupture of the chordae tendinae Mannitol's effect on serum osmolality -Correct Answer increases serum osmolality (and in turn, triggers production of ADH) hypoventilation is characterized by -Correct Answer increase...

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15 páginas

Escrito en 2024/2025

Grado A

PossibleA