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NCLEX RN Practice Exam Questions

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Question 1 of 5

An obstetrical client with diabetes has an amniocentesis at 28 weeks gestation. Which test indicates the degree of fetal lung maturity?

Correct Answer: D

Rationale: The lecithin-sphingomyelin (L/S) ratio assesses fetal lung maturity by measuring surfactant levels, critical for preterm delivery planning in diabetic pregnancies.

Question 2 of 5

For which of the following reasons would the nurse use the Braden Scale to assess a client?

Correct Answer: B

Rationale: The Braden Scale assesses risk for pressure sores (
B) by evaluating factors like mobility and skin moisture. It is not used for delirium (
A), falls (
C), or substance abuse (
D).

Question 3 of 5

The nurse receives an order for blood cultures and sensitivity for a client. Which statement is correct concerning this test?

Correct Answer: B

Rationale: Blood culture results typically take 48–72 hours for organism identification. Stopping antibiotics or culturing catheter tips is not standard practice.

Question 4 of 5

The client with color blindness will most likely have problems distinguishing which of the following colors?

Correct Answer: C

Rationale: Red-green color blindness is the most common type, making it difficult to distinguish red.

Question 5 of 5

A client who is three days postpartum and is bottle-feeding her infant calls the nurse at the gynecology clinic with complaints of breast engorgement. What instruction should the nurse provide?

Correct Answer: C

Rationale: A tight binder helps relieve breast engorgement by suppressing lactation in bottle-feeding mothers, a normal postpartum occurrence.

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