When a couple has unprotected sexual intercourse 3 days before the woman ovulates, the risk of the woman becoming pregnant is:
Very low because that is not the woman's fertile period.
Uncertain because the ovum lives only for 24 hours.
Unknown because the ovum lives only for 24 hours.
Very low because the woman may not ovulate at all.
The Correct Answer is B
A. This statement is incorrect because sperm can survive inside the female reproductive tract for up to 5 days, meaning intercourse before ovulation can still result in pregnancy.
B. Uncertain is correct because while the egg does live only for about 24 hours after ovulation, sperm can survive for several days. Thus, intercourse 3 days before ovulation could still lead to pregnancy if sperm are still viable when the egg is released.
C. The ovum's survival time is generally known, so the risk is based on sperm viability and timing, not uncertainty about the egg.
D. While ovulation is necessary for conception, predicting it with certainty is not always possible, so this option is not entirely accurate.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. MSAFP does not screen for gestational diabetes. Gestational diabetes is typically screened for between 24–28 weeks of gestation using glucose testing.
B. MSAFP does not assess fetal maturity; tests for maturity, such as lecithin-sphingomyelin ratio, are usually performed in the third trimester if preterm delivery is anticipated.
C. MSAFP does not evaluate ABO incompatibility, which is identified through maternal and fetal blood type testing.
D. MSAFP is a blood test that helps screen for neural tube defects like spina bifida or anencephaly and can also detect certain chromosomal abnormalities when used with additional tests in a quad screen.
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.
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