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
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. The maternal-fetal circulation is established by 12 weeks of gestation, allowing oxygen and nutrients to be exchanged between the mother and fetus through the placenta.
B. Lanugo begins developing around 20 weeks and starts to disappear closer to week 36, rather than covering the entire body at that time.
C. Fetal movement (quickening) is usually felt between 16-20 weeks, not as late as 24 weeks.
D. The sex of the baby is determined at conception, but external genitalia do not fully differentiate until around 12-14 weeks, not at 8 weeks.
Correct Answer is D
Explanation
A. Constipation is more commonly experienced in the second or third trimester due to hormonal changes and pressure from the growing uterus on the intestines.
B. Heartburn typically occurs later in pregnancy as the enlarging uterus pushes on the stomach, allowing gastric acid to reflux into the esophagus.
C. Supine hypotension occurs later in pregnancy when the enlarged uterus compresses the inferior vena cava, reducing blood flow back to the heart.
D. Urinary urgency is a common first-trimester symptom caused by hormonal changes and increased blood flow to the pelvic region, which places pressure on the bladder.
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