Canadian Practical Nurse Registration Examination (CPNRE) 2026 – 400 Free Practice Questions to Pass the Exam

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What happens to a mother's blood pressure during pregnancy?

It remains constant

It increases

It decreases

During pregnancy, a mother’s blood pressure typically decreases, particularly in the second trimester. This is primarily due to the physiological changes occurring within the body. As the pregnancy progresses, the growing uterus exerts pressure on blood vessels, leading to a decrease in systemic vascular resistance. There are also changes in hormone levels, such as an increase in progesterone, which promotes vascular relaxation and dilation, further contributing to lower blood pressure.

The reduction in blood pressure helps ensure that adequate blood flow reaches the placenta and developing fetus. It is crucial for nursing professionals to understand these changes, as they may affect various aspects of maternal health and prenatal care. Although some women may experience fluctuations in their blood pressure, the general trend shows a decrease during the early to mid-pregnancy stages rather than an increase or constant rate.

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It fluctuates significantly

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