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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

Assessing the client's blood pressure can help determine if there is a significant loss of blood and consequent hypotension. However, it is not the immediate first action to manage

heavy bleeding postpartum.

Choice B rationale

Assessing the bladder for distention is crucial as a full bladder can interfere with uterine contraction, potentially leading to increased bleeding. But, it isn't the first priority compared to

addressing the immediate bleeding.

Choice C rationale

Massaging the client's fundus is the priority action in this case. It helps to contract the uterus, thereby reducing bleeding. Uterine atony is the most common cause of postpartum

hemorrhage, and fundal massage is the first intervention to manage it.

Choice D rationale

Preparing to administer a prescription may be necessary, especially if uterotonics are required. However, this is a subsequent step after attempting to control the bleeding through

fundal massage.

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.

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