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Kaplan Qbank USMLE



Author2 Posts
  #1

A 25-year-old man has been unable to father children. He and his wife undergo an infertility workup. His wife's reproductive function is normal. On physical examination he has normal descended testes that appear normal in size. A testicular biopsy is performed and on microscopic examination only Sertoli cells are present in the seminiferous tubules on biopsy. Which of the following laboratory test findings is he most likely to have?

A Decreased sperm count

B Elevated serum human chorionic gonadotrophin

C Decreased serum luteinizing hormone

D Increased serum testosterone

E Decreased plasma muellerian inhibiting substance

F Increased serum alpha-fetoprotein


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245/264/CS pass All on first attempt/2006 Grad/Need VISA

  #2

no leydig-->no testosterone-->no sperms.
so guess A.
GnRH will be increased too.FSH and LH will be normal,coz sertoli cells r secreating inhibin.MIS will be N coz its secreated by sertoli cells.

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remedy for weakness is not brooding over it ,but thinking of strength.







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