A pregnant woman asks the nurse, "Will I be able to have a vaginal delivery?" The nurse knows that which type of female pelvis is optimal for passage of the fetal head?

Gynecoid

Platypelloid

Android

Anthropoid

Answer and Explanation

The Correct Answer is A

A. The gynecoid pelvis is considered the most favorable for vaginal delivery due to its rounded shape, wide pelvic inlet, and spacious dimensions, which facilitate the passage of the fetal head.

B. The platypelloid pelvis is flat and wide, often posing challenges for vaginal delivery due to its narrow anteroposterior diameter.

C. The android pelvis has a heart-shaped inlet, making it less favorable for vaginal delivery as it can cause difficulty in fetal descent.

D. The anthropoid pelvis has an oval shape and is more favorable for vaginal delivery than android or platypelloid pelves, but it is still less optimal compared to the gynecoid pelvis.

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Correct Answer is B

Explanation

A. If only one parent carries the dominant gene, the probability of a child inheriting it is not 25%, as this would imply a recessive-recessive pairing.

B. In a scenario where one parent is heterozygous for a dominant gene and the other has two recessive alleles, each child has a 50% chance of inheriting the dominant gene. This outcome is based on Mendelian inheritance.

C. A 75% chance would occur in a scenario involving two heterozygous parents, which is not described here.

D. 100% inheritance occurs only when one parent is homozygous dominant, which is also not indicated in this case.

A. Prevents the fetal skin from drying out B. Allows for symmetrical growth of the fetus C. Helps maintain an even temperature D. Separates the maternal and fetal blood

Correct Answer is ["A","B","C"]

Explanation

A. Prevents the fetal skin from drying out is correct. Amniotic fluid plays a protective role by keeping the fetal skin moist, preventing it from drying out.

B. Allows for symmetrical growth of the fetus is correct. Amniotic fluid helps ensure that the fetus has adequate room to grow and develop symmetrically, preventing physical restrictions.

C. Helps maintain an even temperature is correct. Amniotic fluid helps regulate the temperature around the fetus, protecting it from fluctuations in the external environment.

D. Separates the maternal and fetal blood is incorrect. Amniotic fluid does not separate maternal and fetal blood. This function is carried out by the placenta, which serves as a barrier between maternal and fetal blood.

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A pregnant woman asks the nurse, "Will I be able to have a vaginal delivery?" The nurse knows that which type of female pelvis is optimal for passage of the fetal head?

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Naxlex Comprehensive Predictor Exams

The nurse is presenting a conference on gene dominance. What does the nurse report as the percentage of children carrying the dominant gene if one parent has a dominant gene and the other parent does not?

Correct Answer is B

Explanation

What are the functions of amniotic fluid? (Select all that apply)

Correct Answer is ["A","B","C"]

Explanation

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