Metabolic changes throughout pregnancy that affect glucose and insulin in the mother and the fetus are complicated but its important to understand. Nurses should understand that:
Select one:
Second and third trimesters insulin needs increase because the placenta is fully developed.
Women with insulin-dependent diabetes are prone to hyperglycemia at all times during the first trimester because they are consuming more simple sugar.
Maternal insulin requirements are never modified during pregnancies.
Insulin crosses the placenta to the fetus only in the first trimester, after which the fetus secretes its own.
The Correct Answer is A
a. As the placenta grows and becomes more metabolically active, it produces hormones that increase insulin resistance, leading to an increased need for insulin.
b. Women with insulin-dependent diabetes may be prone to hyperglycemia during pregnancy, but it is not due to consuming more simple sugar.
c. Maternal insulin requirements often increase during pregnancy due to increased insulin resistance.
d. Insulin crosses the placenta throughout pregnancy, and the fetus does not secrete its own insulin until after birth.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
a. This is not the correct action for this situation.
b. This is not the correct action for this situation.
c. This is not the correct action for this situation.
d. The patient is experiencing uterine tachysystole, which is defined as more than five contractions in 10 minutes, lasting longer than 90 seconds, or with less than 30 seconds of interval between contractions. This can cause fetal hypoxia and distress, as evidenced by late decelerations in the fetal heart rate tracing. The nurse should stop the oxytocin, increase the IV fluid rate, position the patient on her left side, administer oxygen, and notify the provider.
Correct Answer is C
Explanation
a. This is not where fetal heart tones are typically auscultated.
b. This is not where fetal heart tones are typically auscultated.
c. The round, firm, moveable part in the fundus of the uterus is most likely the fetal head, and the long, smooth surface on the right side is most likely the fetal back. The fetal heart tones are best heard over the fetal back, which is closest to the maternal abdomen. Therefore, the nurse should expect to auscultate fetal heart tones in the right upper quadrant.
d. This is not where fetal heart tones are typically auscultated.
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