A nurse in a prenatal clinic is caring for a client who asks what her estimated date of delivery will be if her last menstrual period began on November 15th.Which of the following is the appropriate response by the nurse?
July 12.
August 12.
August 22.
July 22.
The Correct Answer is D
Choice A rationale
Calculating the estimated date of delivery (EDD) involves adding 280 days (40 weeks) to the first day of the last menstrual period (LMP). Starting from November 15th, adding 280 days results in an EDD around August 22nd, not July 12th.
Choice B rationale
Using the same calculation method, adding 280 days to November 15th results in an EDD around August 22nd, not August 12th.
Choice C rationale
This choice is close but not accurate. Adding 280 days to November 15th results in an EDD around August 22nd.
Choice D rationale
This is the correct calculation. Adding 280 days to November 15th results in an EDD around August 22nd.
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Correct Answer is B
Explanation
Choice A rationale
Fetal movements, known as quickening, are typically felt by the mother between 16 and 25 weeks of pregnancy, not specifically at week 245.
Choice B rationale
The baby’s heartbeat can be detected by 10-12 weeks of pregnancy using a Doppler ultrasound device. This is an important milestone in fetal development and prenatal care
.
Choice C rationale
Lanugo, the fine hair covering the fetus, usually appears around 20 weeks of pregnancy and starts to disappear closer to the end of the third trimester, not specifically by week 355.
Choice D rationale
The sex of the baby is determined at conception, but it can be detected via ultrasound around 18-20 weeks of pregnancy, not by week 85.
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.