A nurse is answering Questions about labor and delivery to a client.The client is concerned that she will need a blood transfusion due to all the blood loss during the delivery.The nurse explains that blood volume increases during pregnancy that will offset the loss.Which of the following is the correct percentage of increased blood volume during pregnancy that the nurse should explain to the client?
25%-35%.
10%-20%.
60%-70%.
40%-50%.
The Correct Answer is D
Choice A rationale
A 25%-35% increase in blood volume is lower than the actual increase observed during pregnancy. This choice is incorrect.
Choice B rationale
A 10%-20% increase in blood volume is significantly lower than the actual increase observed during pregnancy. This choice is incorrect.
Choice C rationale
A 60%-70% increase in blood volume is higher than the actual increase observed during pregnancy. This choice is incorrect.
Choice D rationale
The correct percentage of increased blood volume during pregnancy is 40%-50%. This increase helps accommodate the growing fetus and placenta, and prepares the body for the blood loss that occurs during delivery.
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Correct Answer is D
Explanation
Choice A rationale
Striae gravidarum, or stretch marks, are a common occurrence during pregnancy due to the rapid stretching of the skin. They are not a medical emergency and do not require immediate attention from a healthcare provider.
Choice B rationale
During pregnancy, the nipples and areola typically become darker, not paler, as the breasts enlarge. This change is due to hormonal influences and increased blood flow to the area.
Choice C rationale
Fetal movement, also known as quickening, is usually felt by the mother between 18 to 25 weeks of gestation, not as early as 10 weeks. At 10 weeks, the fetus is still too small for its movements to be felt by the mother.
Choice D rationale
Some nausea and vomiting, known as morning sickness, is normal during pregnancy. However, if a pregnant woman is unable to keep food or water down, it is important to contact a healthcare provider to ensure she and the baby are receiving adequate nutrition and hydration.
Correct Answer is B
Explanation
Choice A rationale
Adrenocorticotropic hormone (ACTH) is produced by the pituitary gland and stimulates the adrenal glands to release cortisol. It is not involved in the maturation of ovarian follicles.
Choice B rationale
Follicle-stimulating hormone (FSH) is produced by the pituitary gland and stimulates the growth and maturation of ovarian follicles. It is the correct hormone involved in the follicular phase of the ovarian cycle.
Choice C rationale
Oxytocin is a hormone involved in childbirth and lactation. It stimulates uterine contractions and milk ejection but is not involved in the maturation of ovarian follicles.
Choice D rationale
Luteinizing hormone (LH) is produced by the pituitary gland and triggers ovulation and the formation of the corpus luteum. It is not involved in the maturation of ovarian follicles during the follicular phase.
Choice E rationale
Prolactin is a hormone that stimulates milk production in the mammary glands. It is not involved in the maturation of ovarian follicles.
Choice F rationale
Progesterone is a hormone produced by the corpus luteum and the placenta during pregnancy. It prepares the endometrium for implantation and maintains pregnancy but is not involved in the maturation of ovarian follicles.