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Author Question: What condition precipitates polycythemia? a. Dehydration b. Severe infections c. ... (Read 72 times)

viki

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on: Jun 28, 2018
What condition precipitates polycythemia?
 
  a. Dehydration
  b. Severe infections
  c. Immunosuppression
  d. Prolonged tissue hypoxia

Question 2

The nurse is caring for a child with hemophilia A. The child's activity is as tolerated. What activity is contraindicated for this child?
 
  a. Ambulating to the cafeteria
  b. Active range of motion
  c. Ambulating to the playroom
  d. Passive range of motion exercises


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LP

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Reply #1 on: Jun 28, 2018
Answer to Question 1

ANS: D
Oxygen transport depends on both the number of circulating RBCs and the amount of normal hemoglobin in the cell. This explains why polycythemia (increase in the number of erythrocytes) occurs in conditions characterized by prolonged tissue hypoxia, such as cyanotic heart defects. Dehydration, severe infections, or immunosuppression will not precipitate polycythemia.

Answer to Question 2

ANS: D
Passive range of motion exercises should never be part of an exercise regimen after an acute episode because the joint capsule could easily be stretched and bleeding could recur. Active range of motion exercises are best so that the patient can gauge his or her own pain tolerance. The child can ambulate to the playroom or the cafeteria.


viki

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Reply 2 on: Jun 28, 2018
:D TYSM

diana chang

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Reply 3 on: Yesterday
Gracias!

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