Practice Quiz

CCRN Critical Care Nursing

Category - Neonatal

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A neonatal nurse who has just recently graduated and is serving her first shift in the neonatal unit is asked by the attending physician to order a BUN test for a 4 week old infant. The child has been diagnosed with Congestive Heart Failure (CHF). What with the results of the BUN test tell him?
  1. It will tell him the child does not have congestive heart failure
  2. It will tell him there is a decreased blood flow to the kidneys
  3. It will tell him that the child has a virus
  4. It may tell him that the child is under developed
Explanation
Answer: B - It will tell him there is a decreased blood flow to the kidneys. Increased BUN levels can indicate several conditions such as acute or chronic kidney disease and many other conditions as well as also indicate a recent heart attack. In the case of congestive heart failure this can cause decreased blood flow to the kidneys which could support the diagnosis of the CHF.
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