A nurse is discussing cardiovascular changes during pregnancy with a newly licensed nurse. Which of the following information should the nurse include?
Blood pressure values 10% above pre-pregnancy values
Heart rate increases by 10 to 15 above pre-pregnancy values
Increased blood viscosity
Decreased cardiac workload
The Correct Answer is B
A. Blood pressure typically decreases slightly during the second trimester due to hormonal effects causing vasodilation, and it generally does not rise above pre-pregnancy levels in healthy pregnancies.
B. The heart rate increases by about 10 to 15 beats per minute to meet the increased oxygen demands of the growing fetus and placenta.
C. Blood viscosity does not increase during pregnancy; rather, the plasma volume expands significantly, leading to hemodilution and a decrease in blood viscosity.
D. Cardiac workload increases during pregnancy due to the expanded blood volume and increased cardiac output required to support maternal and fetal needs.
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Naxlex Comprehensive Predictor Exams
Related Questions
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.
Correct Answer is B
Explanation
A. This response does not raise immediate concerns. Having a full-time job that the client loves is a positive factor for their well-being.
B. This response indicates potential social isolation and emotional distress. The nurse should explore this further because the lack of social support and relationship challenges may affect the client's emotional and mental health during pregnancy.
C. Joining a community group for pregnant mothers is a positive step toward social support and can help alleviate isolation.
D. Having health insurance is a positive indicator that the client has access to prenatal care and is less likely to face financial barriers to healthcare.
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