A woman who is 38 weeks pregnant reports feeling dizzy when lying on her back. What does the nurse explain as the most likely cause of this symptom?

Supine hypotension syndrome

Pregnancy-induced hypotension

Anxiety

Hypoglycemia

Answer and Explanation

The Correct Answer is A

A. Supine hypotension syndrome occurs when the gravid uterus compresses the inferior vena cava when the woman is lying flat on her back, leading to decreased venous return, lowered cardiac output, and a drop in blood pressure. This can cause dizziness, lightheadedness, and sometimes fainting. It is more common in the later stages of pregnancy, such as at 38 weeks.

B. Pregnancy-induced hypotension refers to a decrease in blood pressure due to pregnancy, but it typically does not occur specifically when lying on the back, and is not the main cause of dizziness when positioned in that way.

C. Anxiety can cause dizziness, but it is not the most likely cause of dizziness related to lying flat on the back, especially in late pregnancy.

D. Hypoglycemia can cause dizziness, but it is not typically triggered by a change in position like lying on the back, making it less likely in this scenario.

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Correct Answer is D

Explanation

A. A ketogenic diet is not recommended during pregnancy, as carbohydrates are essential for fetal growth and energy. Adequate, balanced nutrition is key during pregnancy.

B. While water intake is important, pregnant clients are advised to drink 8–10 glasses of water daily to support increased blood volume and amniotic fluid. Six glasses would be insufficient.

C. An additional 1,000 calories per day is excessive for early pregnancy. During the first trimester, the calorie increase is minimal (approximately 150–200 calories), with more significant increases later in pregnancy.

D. Taking a prenatal vitamin daily ensures adequate intake of essential nutrients like folic acid and iron, which are critical for preventing neural tube defects and supporting maternal health.

A. The testes being too warm B. The penis and testes being small C. Infrequent sexual intercourse D. The man not being circumcised

Correct Answer is A

Explanation

A. Sperm production is temperature-sensitive, and the testes require a slightly cooler environment than the rest of the body. Increased warmth, such as from tight clothing, prolonged sitting, or heat exposure, can impair spermatogenesis.

B. The size of the penis and testes is not directly correlated with sperm production. The functionality of the testes, not their size, determines sperm output.

C. Infrequent sexual intercourse can affect fertility by decreasing opportunities for conception but does not directly decrease sperm production.

D. Circumcision status does not affect sperm production, as it primarily pertains to hygiene and the prevention of certain infections.

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A woman who is 38 weeks pregnant reports feeling dizzy when lying on her back. What does the nurse explain as the most likely cause of this symptom?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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