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United States Medical Licensing Examination

Exam Details

  • Exam Code
    :USMLE
  • Exam Name
    :United States Medical Licensing Examination
  • Certification
    :USMLE Certifications
  • Vendor
    :USMLE
  • Total Questions
    :622 Q&As
  • Last Updated
    :Apr 13, 2025

USMLE USMLE Certifications USMLE Questions & Answers

  • Question 181:

    Which of the following is not a characteristic of Krabbe's disease?

    A. Autosomal recessive condition

    B. Spasticity

    C. Nausea

    D. Optic nerve deficits

  • Question 182:

    Which of the following is the approximate prevalence ratio for cystic fibrosis?

    A. 1: 25,000

    B. 1: 5,000

    C. 1: 2,000

    D. 1: 800

  • Question 183:

    Which of the following divisions of cell growth precedes Mitosis in the cell cycle?

    A. G2

    B. G1

    C. S

    D. G0

  • Question 184:

    Down syndrome is directly linked to a genetic abnormality of chromosome?

    A. XXII

    B. XXI

    C. XIIX

    D. XV

  • Question 185:

    Which of the following is a characteristic of the Hardy-Weinberg law?

    A. Mating between species occurs at a set rate.

    B. Migration is a considerable factor.

    C. Mutation occurs at the locus

    D. Genotype selection does not occur at the locus

  • Question 186:

    Which of the following is paired correctly?

    A. A-G

    B. C-G

    C. A-U

    D. G-T

  • Question 187:

    Which of the following characterizes a Western blot?

    A. Antibody/protein hybridization

    B. DNA/RNA combination

    C. RNA transcription

    D. Polymerase chain reaction

  • Question 188:

    Which of the following describes a person using words that have no known meaning?

    A. Neologisms

    B. Neolithic

    C. Verbalism

    D. Delusional blocking

  • Question 189:

    Which of the following is the mRNA start codon in most cases?

    A. UAA

    B. AGU

    C. AUG

    D. UGA

  • Question 190:

    Which of the types of RNA is the smallest?

    A. mRNA

    B. tRNA

    C. rRNA

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