A nurse is planning care for a client who is to receive packed RBCs. The nurse should plan for the total infusion time to not exceed which of the following?
1 hour
2 hours
3 hours
4 hours
The Correct Answer is D
Choice A reason: Infusing packed RBCs over 1 hour is typically too rapid for most patients and can increase the risk of adverse reactions, especially in those with cardiovascular compromise.
Choice B reason: A 2hour infusion may be appropriate in certain emergency situations where rapid correction of anemia is required, but it is not the standard practice for routine transfusions.
Choice C reason: A 3hour infusion is less commonly used and does not provide any specific advantage over the standard 4hour infusion time.
Choice D reason: The standard practice is to complete the transfusion of packed RBCs within 4 hours. This duration minimizes the risk of bacterial growth and transfusion reactions, as recommended by the American Society of Hematology and other clinical guidelines.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: This choice is incorrect. Partial compensation would typically involve a change in PaCO2 to counterbalance the elevated bicarbonate, which is not observed here.
Choice B reason: This choice is incorrect. Respiratory acidosis is characterized by a low pH and an elevated PaCO2, which is not consistent with the given values.
Choice C reason: This choice is incorrect. Respiratory alkalosis would present with a low PaCO2 due to hyperventilation, which is not the case here.
Choice D reason: This is the correct choice. The elevated pH and HCO3 with a normal PaCO2 indicate metabolic alkalosis without respiratory compensation. Persistent vomiting can lead to loss of stomach acid, which causes metabolic alkalosis.
Correct Answer is ["A","B","D"]
Explanation
Choice A reason: Enlarged distal extremities are a classic sign of acromegaly due to the overproduction of growth hormone, which affects the growth plates in the bones.
Choice B reason: Coarse facial features, including a protruding jaw and brow, enlarged nose, and thickened lips, are common in acromegaly due to the excessive growth of facial bones and soft tissues.
Choice C reason: Loss of color discrimination is not typically associated with acromegaly. This symptom may be related to other conditions affecting the optic nerve or the brain.
Choice D reason: Hepatomegaly, or an enlarged liver, can occur in acromegaly as a result of increased growth factor effects on the liver.
Choice E reason: Moon face is associated with conditions that lead to corticosteroid excess, such as Cushing's syndrome, but can also appear in acromegaly due to soft tissue swelling.
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