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Author Question: A nurse in the emergency department admits a male client who has experienced severe frostbite to his ... (Read 103 times)

segrsyd

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A nurse in the emergency department admits a male client who has experienced severe frostbite to his hands and toes after becoming lost on a ski hill. The nurse recognizes that which of the following phenomena has contributed to his tissue damage?
 
  A)
  Decreased blood viscosity has resulted in interstitial bleeding.
  B)
  Reactive vasodilation has compromised perfusion.
  C)
  Autonomic nervous stimulation has resulted in injury.
  D)
  Decreased blood flow has induced hypoxia.

Question 2

A man and woman are eager to determine the sex of their unborn child and have asked the nurse at the fertility clinic how this is possible at an early stage of in vitro development.
 
  Which of the nurse's responses best captures the genetic rationale for early sex identification through tissue samples?
  A)
  The inactive X chromosome can be visible in a female.
  B)
  The cells of a male contain a Barr body that can be visualized.
  C)
  A normal female lacks Barr bodies.
  D)
  The number of visible Y chromosomes indicates the sex.



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Amiracle

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Answer to Question 1

Ans:
D

Feedback:

Damage from exposure to cold results from hypoxia, ice crystal formation, and vasoconstriction. Blood viscosity increases, not decreases, and vasoconstriction occurs rather than vasodilation.

Answer to Question 2

Ans:
A

Feedback:

The fact that the inactive X chromosome can be visible as a Barr body in a female allows for the extrapolation of the number of X chromosomes and thus the sex associated with the cells. Normal male cells lack Barr bodies, but they are present in females. The number of X chromosomes ultimately determines the sex of an individual.




segrsyd

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Reply 2 on: Jun 25, 2018
Thanks for the timely response, appreciate it


shewald78

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  • Posts: 340
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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