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.

Answer and Explanation

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.

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Correct Answer is B

Explanation

A. If only one parent carries the dominant gene, the probability of a child inheriting it is not 25%, as this would imply a recessive-recessive pairing.

B. In a scenario where one parent is heterozygous for a dominant gene and the other has two recessive alleles, each child has a 50% chance of inheriting the dominant gene. This outcome is based on Mendelian inheritance.

C. A 75% chance would occur in a scenario involving two heterozygous parents, which is not described here.

D. 100% inheritance occurs only when one parent is homozygous dominant, which is also not indicated in this case.

A. "Yes, it will, but if you decrease your fluid intake, especially at bedtime, it won't be so bothersome." B. "There is no way to predict how long it will last for each individual client so you just have to wait and see." C. "No, it should only last until about your 12th week, but it will return near the end of the pregnancy." D. "No, in most cases it only lasts until about the 12th week, but it will continue if you have poor bladder tone."

Correct Answer is C

Explanation

A. Decreasing fluid intake, especially during pregnancy, is not advisable as it can lead to dehydration and other complications.

B. While urinary frequency varies between individuals, it follows predictable patterns during pregnancy, influenced by hormonal and anatomical changes.

C. Increased urinary frequency is common in the first trimester due to hormonal changes and uterine growth but typically decreases by the second trimester. It often returns in the third trimester when the enlarging uterus exerts pressure on the bladder.

D. Poor bladder tone is not a standard explanation for continued urinary frequency during pregnancy; hormonal and anatomical factors are the primary causes.

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When a couple has unprotected sexual intercourse 3 days before the woman ovulates, the risk of the woman becoming pregnant is:

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Naxlex Comprehensive Predictor Exams

The nurse is presenting a conference on gene dominance. What does the nurse report as the percentage of children carrying the dominant gene if one parent has a dominant gene and the other parent does not?

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Correct Answer is C

Explanation

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