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Question 1 of 5

A client with $B$ positive blood is scheduled for a transfusion of whole blood. Which finding requires nursing intervention?

Correct Answer: B

Rationale: Transfusing Rh-negative blood to an Rh-positive client can cause incompatibility reactions, requiring intervention to ensure Rh compatibility.

Question 2 of 5

Which client is at the greatest risk of developing colon cancer?

Correct Answer: C

Rationale: Previous cancer history, especially treated with chemotherapy, increases colon cancer risk due to potential genetic or environmental factors. Age over 50 also elevates risk.

Question 3 of 5

All of the following statements regarding scarlet fever are true EXCEPT

Correct Answer: C

Rationale: No vaccine exists for scarlet fever, which is caused by Streptococcus pyogenes’ erythrogenic toxin and treated with antibiotics. Rheumatic fever is a complication.

Question 4 of 5

The client with varicella will most likely have an order for which category of medication?

Correct Answer: C

Rationale: Varicella (chickenpox) is a viral infection, and antivirals like acyclovir are commonly prescribed to reduce severity and duration.

Question 5 of 5

When drawing up a dosage of subcutaneous heparin, how much air should be drawn into the syringe after the correct dosage is obtained?

Correct Answer: C

Rationale: An air lock of 0.2-0.3 mL (
C) is used in subcutaneous heparin injections to ensure the full dose is delivered and to prevent leakage.

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