What is the estimated date of birth (EDB) for a client who is pregnant and whose last menstrual period began on July 27? (State the date in MMDD.
For example, July 27 is 0727)

0427

0503

0603

0527

Answer and Explanation

The Correct Answer is B

To calculate the estimated date of birth (EDB) using the first day of the last menstrual period (LMP), you can use Naegele’s Rule. This rule adds 280 days (or 40 weeks) to the first day of the LMP.

Given the LMP of July 27 (0727):

Add 1 year: July 27, 2023 becomes July 27, 2024.
Add 7 days: July 27, 2024 becomes August 3, 2024.
Subtract 3 months: August 3, 2024 becomes May 3, 2024.

So, the estimated date of birth (EDB) is May 3, 2024 (0503).

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Correct Answer is A

Explanation

Choice A rationale: Uteroplacental insufficiency causes late decelerations due to reduced oxygenation, not mechanical pressure. It reflects placental dysfunction, not direct cranial compression effects.

Choice B rationale: Spontaneous rupture of membranes increases infection and labor risk but does not directly alter cerebral perfusion or trigger vagal responses linked to head compression.

Choice C rationale: Altered fetal cerebral blood flow results from cranial pressure during contractions, triggering vagal stimulation and early decelerations. This is the physiological response to head compression.

Choice D rationale: Umbilical cord compression causes variable decelerations due to transient blood flow obstruction, unrelated to cranial pressure or cerebral perfusion changes.

A. “I will call your primary care provider to report your concerns.”. B. “This is a concern, but strabismus is easily treated with patching.”. C. “This occurs because newborns lack muscle control to regulate eye movement.”. D. “I will take your baby to the nursery for further examination.”. .

Correct Answer is C

Explanation

Choice A rationale
While it’s important to report concerns to the primary care provider, this does not directly address the mother’s concern about her newborn’s crossed eyes.
Choice B rationale
Strabismus is a condition where the eyes do not properly align with each other, but it is not the same as the normal crossing of a newborn’s eyes.
Choice C rationale
This is the correct answer. Newborns often lack the muscle control to regulate eye movement, which can cause their eyes to cross.
Choice D rationale
Taking the baby to the nursery for further examination may be necessary if there are other concerns, but it does not directly address the mother’s concern about her newborn’s crossed eyes.

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What is the estimated date of birth (EDB) for a client who is pregnant and whose last menstrual period began on July 27? (State the date in MMDD. For example, July 27 is 0727)

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Naxlex Comprehensive Predictor Exams

What could be the result of fetal head compression?

Correct Answer is A

Explanation

A nurse is caring for a new mother who is worried about her newborn’s crossed eyes. Which of the following responses by the nurse would be therapeutic?

Correct Answer is C

Explanation

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What is the estimated date of birth (EDB) for a client who is pregnant and whose last menstrual period began on July 27? (State the date in MMDD.
For example, July 27 is 0727)