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A 32-year-old woman is dilated 4 cm. The health care provider states that she has a roomy pelvis and the baby is in a right occiput anterior (ROA) position at +1 station. Her contractions are occurring every 10 minutes, lasting 30 to 40 seconds, and palpate mild in intensity. She is calm and relaxed. Given these data, which essential component of labor is unexpected and likely to slow the progress of labor at this time?

A.

Passageway

B.

Powers

C.

Psyche

D.

Passenger

Answer and Explanation

The Correct Answer is B

A. Passageway – Incorrect; the provider states she has a roomy pelvis, meaning the passageway is adequate.

B. Powers – Correct; contractions are infrequent (every 10 minutes), short (30-40 sec), and mild, which may not be strong enough to promote cervical dilation and descent of the fetus.

C. Psyche – Incorrect; the patient is calm and relaxed, which supports labor progression.

D. Passenger – Incorrect; the baby is in an optimal (ROA) position and at +1 station, indicating normal progression.


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Related Questions

Correct Answer is B

Explanation

A. 16 cm – Incorrect; this is too low for 24 weeks (expected range: ±2 cm of gestational age).
B. 26 cm – Correct; fundal height at 24 weeks is expected to be around 22-26 cm.
C. 30 cm – Incorrect; this is above the expected range and may indicate polyhydramnios or macrosomia.
D. 12 cm – Incorrect; this is too low and could indicate intrauterine growth restriction (IUGR).

Correct Answer is B

Explanation

A. Notify social services – Not the first action; the nurse must assess the situation before reporting.
B. Ask the parents what caused the bruises – Correct; gathering information helps differentiate normal bruising from possible abuse.
C. Ask the toddler what caused the bruises – Not the best initial approach, as toddlers may not provide reliable explanations.
D. Notify the provider – Appropriate but should come after assessing the situation.

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