A client in a prenatal clinic is pregnant and experiencing episodes of maternal hypotension. The client asks the nurse what causes these episodes. Which of the following responses should the nurse make?

Correct Answer: C

Rationale: The correct answer is C: This is due to the weight of the uterus on the vena cava. Maternal hypotension during pregnancy can occur when the growing uterus compresses the vena cava, reducing blood flow back to the heart and causing a drop in blood pressure. This compression can lead to decreased blood flow to the brain and other vital organs, resulting in symptoms of hypotension. The other choices are incorrect because: A: An increase in blood volume during pregnancy typically leads to an increase in blood pressure, not hypotension. B: Pressure from the uterus on the diaphragm may cause discomfort or shortness of breath but is not the primary cause of maternal hypotension. D: Increased cardiac output is a normal adaptation in pregnancy to meet the demands of the growing fetus and placenta, but it does not directly cause maternal hypotension.

Correct Answer: C

Rationale: The correct answer is C: Perform the pelvic rock exercise every day. This exercise helps strengthen the core muscles, which can alleviate backache during pregnancy. It also promotes flexibility in the lower back and pelvis. Avoiding any lifting (A) is not a practical measure as some lifting may be necessary in daily activities. Performing Kegel exercises (B) strengthens pelvic floor muscles but does not directly address backache. Avoiding standing for prolonged periods (D) can help reduce backache but is not as effective as specific exercises targeting the back muscles like the pelvic rock exercise.

Correct Answer: A

Rationale: The correct answer is A: Vaginal bleeding. This is crucial to report promptly as it could indicate serious issues like placental abruption or miscarriage. Swelling of the ankles (B) is common in pregnancy but not typically an urgent concern. Heartburn (C) is common and can be managed with lifestyle changes. Lightheadedness when lying on the back (D) is likely due to inferior vena cava compression and can be relieved by changing position. Reporting vaginal bleeding is vital for timely intervention in pregnancy complications.

Correct Answer: A

Rationale: The correct answer is A: Eat crackers or plain toast before getting out of bed. This recommendation helps alleviate morning sickness by providing a small, easily digestible snack to settle the stomach before getting up. It helps stabilize blood sugar levels and prevent an empty stomach exacerbating nausea. Explanation for why B, C, and D are incorrect: B: Awakening during the night to eat a snack can disrupt sleep patterns and is not necessary for managing morning sickness. C: Skipping breakfast and waiting until lunch may lead to prolonged nausea and low blood sugar levels, worsening symptoms. D: Eating a large evening meal can increase the likelihood of acid reflux and indigestion, making morning sickness worse.

Correct Answer: D

Rationale: The correct answer is D: All of the above. At 6 weeks of gestation, common discomforts include breast tenderness due to hormonal changes, urinary frequency from increased blood flow to kidneys, and epistaxis (nosebleeds) due to increased blood volume and vessel fragility. Therefore, all options are relevant and should be included in the education. Other choices are incorrect because they do not encompass all the common discomforts experienced during early pregnancy.