R.V. is a 6 year-old male brought to the free health clinic by his mother. She reports that R.V. is getting ready to start kindergarten and the kindergarten teacher noticed that “he seemed to struggle with some of those questions and stuff they ask on the kindergarten testing.” Upon exam, the physician notes that R.V. appears short for his age (107 cm), but weighs 25 kg (95th percentile). R.V.’s neurological exam is normal, although the physician notes that he seems developmentally closer to a 4 year-old and is not yet able to fully recite his ABCs or count to 20.  His respiratory and cardiac exam are normal.  His genitourinary exam reveals a normal scrotum, but undescended testicles bilaterally.  Select a potential diagnosis for R.V. and describe the pathophysiology of that diagnosis. How does the pathophysiology explain R.V.’s physical exam findings?

Phlebotomy Essentials
6th Edition
ISBN:9781451194524
Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Chapter1: Phlebotomy: Past And Present And The Healthcare Setting
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R.V. is a 6 year-old male brought to the free health clinic by his mother. She reports that R.V. is getting ready to start kindergarten and the kindergarten teacher noticed that “he seemed to struggle with some of those questions and stuff they ask on the kindergarten testing.” Upon exam, the physician notes that R.V. appears short for his age (107 cm), but weighs 25 kg (95th percentile). R.V.’s neurological exam is normal, although the physician notes that he seems developmentally closer to a 4 year-old and is not yet able to fully recite his ABCs or count to 20.  His respiratory and cardiac exam are normal.  His genitourinary exam reveals a normal scrotum, but undescended testicles bilaterally. 

  • Select a potential diagnosis for R.V. and describe the pathophysiology of that diagnosis.
  • How does the pathophysiology explain R.V.’s physical exam findings?
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