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Kaplan Qbank USMLE



Author10 Posts
  #1

Genetic screening shows that a newborn with a 46 XY karyotype has a disabling mutation of the 5 alpha reductase gene
Which of the following best describes this newborn's genital system ?

a.-female external genitalia and female genital ducts
b.-female external genitalia and male genital ducts
c.-female external genitalia and male and female genital ducts
d.-male external genitalia and female genital ducts
e.-male external geniatlia and male genital ducts
f.-male external genital and male and female genital ducts

shocked

  #2

b

  #3

B


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Live as u were to die tommorow. Learn as if u were to live forever.

  #4

nod

B

  #5

so to make SURE I dont jump on band wagon: answer b- because DHT is for ext. genitalia penis, scrotum. without DHT female ext. genitalia. MIF has already worked since he is XY with int. genitalia of seminiferous tubes ejact.duct, epididymis, ductus deferens.
good q Cedrick!

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Smell the coffee! "Is That an Osler move??"

  #6

yeah B

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The Key to Succeed is Patience.

  #7

yeah b

  #8

agree B

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  #9

B


  #10

B







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