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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 B

Explanation

Choice A rationale

Uteroplacental insufficiency typically results in late decelerations, not a sudden drop in fetal heart rate, which is more commonly caused by umbilical cord compression.

Choice B rationale

Umbilical cord compression can cause variable decelerations, which are characterized by a sudden drop in fetal heart rate. This occurs due to the umbilical cord being compressed,

leading to decreased blood flow and oxygen to the fetus.

Choice C rationale

Maternal bradycardia refers to a slow maternal heart rate and does not directly cause changes in the fetal heart rate pattern.

Choice D rationale

Fetal head compression typically causes early decelerations, which are gradual decreases in fetal heart rate that occur with contractions and are usually benign.

Correct Answer is B

Explanation

Choice A rationale

Accidental lacerations are possible during a cesarean delivery, but they are typically managed quickly and are not the most critical issue immediately after birth.

Choice B rationale

Respiratory distress is the priority assessment for a newborn following a cesarean delivery because cesarean births can increase the risk of transient tachypnea or other respiratory complications due to the lack of labor-induced respiratory adaptation.

Choice C rationale

Hypothermia is a concern for all newborns, but respiratory distress takes precedence in the immediate post-delivery period, especially following cesarean delivery.

Choice D rationale

Acrocyanosis is a common and typically benign condition in newborns, not requiring immediate intervention compared to respiratory distress.

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