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Question 1 of 5

A client is scheduled for knee replacement surgery, and the nurse is reviewing preoperative laboratory results. The nurse should notify the physician about which of the following abnormal laboratory results?

Correct Answer: A

Rationale: A platelet count of 119,000 (
A) is below the normal range (150,000-450,000), increasing bleeding risk during surgery, and should be reported. Glucose 83 (
B), hemoglobin 13.7 (
C), and sodium 141 (
D) are within normal limits.

Question 2 of 5

A 10-year-old girl has been diagnosed with scabies. There are three other children and two adults living in the household. The nurse can best educate caregivers by stating,

Correct Answer: B

Rationale: Scabies is highly contagious via skin-to-skin contact or shared items. All household members should be treated simultaneously to prevent reinfestation, regardless of symptoms.

Question 3 of 5

The nurse is caring for a client post-myocardial infarction on the cardiac unit. The client is exhibiting symptoms of shock. Which clinical manifestation is the best indicator that the shock is cardiogenic rather than anaphylactic?

Correct Answer: B

Rationale: Chest pain is a hallmark of cardiogenic shock due to myocardial infarction, reflecting cardiac ischemia. Anaphylactic shock typically involves allergic symptoms like urticaria or bronchospasm. Low BP, anxiety, and normal temperature are nonspecific.

Question 4 of 5

A client on the postpartum unit has a proctoepisiotomy. The nurse should anticipate administering which medication?

Correct Answer: B

Rationale: Docusate sodium (Colace) is a stool softener, appropriate to prevent straining and promote healing after a proctoepisiotomy.

Question 5 of 5

A child was exposed to the hepatitis A virus, became ill, and made a full recovery 2 years ago. The child is now immune to the hepatitis A virus and will likely be protected for the rest of her life. This type of immunity is referred to as

Correct Answer: B

Rationale: Recovery from hepatitis A infection confers lifelong immunity via naturally acquired active immunity, as the body produces its own antibodies.

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