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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

The placenta does not provide thermoregulation; that function is managed by maternal thermoregulation and the amniotic fluid which insulates the fetus.

Choice B rationale

Amniotic fluid cushions the fetus from maternal movements, not the placenta. The placenta's role is more focused on nutrient and waste exchange.

Choice C rationale

The placenta facilitates metabolic functions and gas exchange, supplying oxygen and nutrients to the fetus while removing carbon dioxide and waste products, ensuring fetal development.

Choice D rationale

The placenta doesn't provide a sterile environment. This is accomplished by the amniotic sac and amniotic fluid. The placenta connects the fetus to maternal blood supply, ensuring necessary exchanges for fetal growth.

Correct Answer is A

Explanation

Choice A rationale

Administering antipyretics for maternal fever is essential as elevated maternal temperatures can increase the risk of fetal tachycardia and potentially lead to fetal distress. Reducing

fever promptly is a priority to stabilize both maternal and fetal conditions.

Choice B rationale

Preparing for an emergency cesarean section is not the immediate step for maternal fever; instead, managing the fever and assessing the need for further interventions based on the

overall clinical picture should be prioritized.

Choice C rationale

Administering glucocorticoids is indicated for promoting fetal lung maturity in preterm labor, not specifically for maternal fever management. Fever management requires antipyretics

and hydration.

Choice D rationale

Waiting 4 hours to recheck temperature delays prompt management, increasing risks for both the mother and fetus. Immediate action to reduce fever is crucial to prevent potential

complications.

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