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A nurse is preparing to administer betamethasone 12mg IM to a client at 32 weeks gestation at risk for preterm delivery.
Betamethasone is available as 6mg/ml. How many ml will the nurse prepare for injection? (Use a leading zero, if it applies. Do not use a trailing zero)

A.

Do not use a trailing zero)

B.

Step 2 is: 12 รท 6 = 2 ml. Answer: 2 ml

Answer and Explanation

The Correct Answer is A

Step 1 is: 12 mg ÷ 6 mg/ml.

Step 2 is: 12 ÷ 6 = 2 ml. Answer: 2 ml


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Correct Answer is C

Explanation

Choice A rationale

Increasing the rate of infusion of IV oxytocin in the presence of abnormal fetal heart rate decelerations is contraindicated. It may exacerbate uterine hyperstimulation, further compromising fetal oxygenation.

Choice B rationale

Decreasing the rate of infusion of the maintenance IV solution will not address the issue of uterine hyperstimulation or abnormal fetal heart rate decelerations. The focus should be on managing oxytocin administration.

Choice C rationale

Discontinuing the infusion of IV oxytocin is appropriate due to uterine tachysystole and associated fetal heart rate decelerations. This helps reduce uterine contractions and allows for fetal recovery, improving oxygenation.

Choice D rationale

Slowing the client's rate of breathing is not related to managing uterine contractions or fetal heart rate decelerations. The intervention should directly address the cause of the decelerations, which is oxytocin-induced hyperstimulation. .

Correct Answer is A

Explanation

Choice A rationale

Uteroplacental insufficiency leads to late decelerations, which are characterized by a gradual decrease in fetal heart rate after the peak of a contraction. This indicates compromised blood flow between the uterus and placenta, affecting the fetus.

Choice B rationale

Umbilical cord compression usually causes variable decelerations, not late decelerations.

Choice C rationale

Maternal bradycardia does not cause changes in fetal heart rate patterns like late decelerations.

Choice D rationale

Fetal head compression causes early decelerations, which coincide with contractions, not late decelerations.

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