Arrange the following cardinal movements of labor in the correct order that the fetus typically goes through during a vaginal birth:
1. Extension 2. Engagement 3. External rotation 4. Descent 5. Flexion 6, Internal rotation
4-2-5-6-1-3
2-5-4-6-3-1
5-2-4-6-1-3
2-4-5-6-1-3
The Correct Answer is D
A. 4-2-5-6-1-3: This sequence places descent before engagement and flexion after engagement, which does not follow the typical progression of fetal movements during labor. Engagement usually occurs before descent.
B. 2-5-4-6-3-1: This order incorrectly places flexion before descent and extension after internal rotation, which does not align with the physiological process of vaginal birth. The fetus must descend before extension occurs.
C. 5-2-4-6-1-3: Starting with flexion before engagement is incorrect because engagement of the presenting part into the pelvis occurs prior to the fetus flexing its head. This disrupts the normal sequence of cardinal movements.
D. 2-4-5-6-1-3: Engagement occurs first as the fetal presenting part enters the pelvic inlet, followed by descent through the birth canal. Flexion of the fetal head allows passage through the pelvis, internal rotation aligns the head with the maternal pelvis, extension occurs as the head crowns, and external rotation completes the birth of the shoulders.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["Oxytocin"]
Explanation
Oxytocin is a uterotonic hormone commonly administered intravenously to stimulate uterine contractions and enhance labor progress. It increases the frequency, duration, and intensity of contractions, helping to correct hypotonic or weak labor patterns. Careful titration and continuous fetal and maternal monitoring are essential to prevent hyperstimulation, fetal distress, or uterine rupture.
Correct Answer is C
Explanation
A. 12 weeks: At 12 weeks gestation, the uterus has just risen out of the pelvis and can usually be palpated just above the symphysis pubis. It is not yet large enough to reach the level of the umbilicus at this point.
B. 36 weeks: By 36 weeks, the uterus typically reaches the xiphoid process as it expands to accommodate fetal growth. At this stage, the fundal height is well above the umbilicus, often causing maternal discomfort due to pressure on the diaphragm.
C. 20 weeks: Around 20 weeks gestation, the fundus of the uterus is usually palpable at the level of the maternal umbilicus. This finding is a standard clinical marker used to estimate gestational age and monitor fetal growth during routine prenatal exams.
D. 8 weeks: At 8 weeks gestation, the uterus remains a pelvic organ and is not palpable abdominally. It can only be assessed via bimanual examination or transvaginal ultrasound during early pregnancy.
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