Nokea
What hormone is secreted by the corpus luteum after ovulation?
- A. prolactin
- B. progesterone
- C. luteinizing hormone
- D. follicle-stimulating hormone
Correct Answer: B
Rationale: The correct answer is B: progesterone. After ovulation, the ruptured follicle transforms into the corpus luteum, which secretes progesterone. Progesterone plays a crucial role in preparing the uterus for implantation and maintaining pregnancy. Prolactin (A) is a hormone mainly involved in milk production. Luteinizing hormone (C) triggers ovulation and the release of the egg from the ovary. Follicle-stimulating hormone (D) is responsible for stimulating the growth of ovarian follicles. The key is understanding the physiological processes post-ovulation and the role of progesterone in these processes.
You may also like to solve these questions
The nurse would anticipate that a patient with elevated levels of which hormone would require radiologic imaging of the brain?
- A. TSH
- B. prolactin
- C. progesterone
- D. FSH
Correct Answer: B
Rationale: The correct answer is B: prolactin. Elevated prolactin levels can indicate a pituitary tumor, which may require brain imaging. TSH, progesterone, and FSH are not typically associated with the need for brain imaging. TSH is related to thyroid function, progesterone to the menstrual cycle, and FSH to reproductive health. Prolactin is the hormone primarily associated with lactation and can be elevated due to various reasons, including pituitary tumors. Therefore, in a patient with elevated prolactin levels, brain imaging is necessary to assess for the presence of a pituitary tumor.
What initiates the shedding of the endometrial lining in a nonpregnant woman?
- A. None
- B. A drop in estrogen and progesterone.
- C. None
- D. None
Correct Answer: B
Rationale: Decreased levels of these hormones cause menstruation.
What is the point after which an ovum is fertilized and becomes impenetrable to any other sperm?
- A. The zona reaction
- B. Gametogenesis
- C. The zona pellucida
- D. Cleavage
Correct Answer: A
Rationale: The correct answer is A: The zona reaction. After fertilization, the zona pellucida undergoes a biochemical change called the zona reaction, which makes the ovum impenetrable to any other sperm. This process prevents polyspermy and ensures that only one sperm can fertilize the egg. Gametogenesis refers to the production of gametes, not the post-fertilization event. The zona pellucida is the glycoprotein layer around the ovum, and cleavage is the rapid mitotic cell division that follows fertilization, but neither of these directly relate to the ovum becoming impenetrable to other sperm.
The nurse is assessing a newborn immediately after birth. After assigning the first Apgar score
of 9, the nurse notes two vessels in the umbilical cord. What is the nurse’s next action?
- A. Assess for other abnormalities of the infant.
- B. Note the assessment finding in the infant’s chart.
- C. Notify the health care provider of the assessment finding.
- D. Call for the neonatal resuscitation team to attend the infant immediately.
Correct Answer: A
Rationale: The correct answer is A. The nurse should assess for other abnormalities of the infant because the presence of two vessels in the umbilical cord (a condition known as a two-vessel cord) may be associated with other congenital anomalies. By assessing for other abnormalities, the nurse can identify any potential issues that may require immediate intervention or further evaluation. This proactive approach ensures the newborn's well-being and allows for timely management of any additional concerns.
Summary of other choices:
B: Noting the finding in the chart is important but does not address the immediate need to assess for other abnormalities.
C: Notifying the health care provider is important, but assessing for other abnormalities should be the nurse's initial priority.
D: Calling for the neonatal resuscitation team is not necessary based solely on the presence of a two-vessel cord; further assessment is needed before determining the need for resuscitation.
The nurse is counseling a couple who just learned their 16-week fetus tested positive for a serious genetic disorder. Which action by the nurse is inappropriate upon learning that the couple plan to continue the pregnancy?
- A. Determine whether termination is still a consideration.
- B. Explain they will experience grief, which is normal.
- C. Provide additional information about the disorder.
- D. Refer them to a disorder-specific support group.
Correct Answer: A
Rationale: The correct answer is A because it respects the couple's decision-making autonomy. The nurse should support their choice to continue the pregnancy without suggesting termination. Providing information, emotional support, and connecting them with a support group are appropriate actions. It is crucial to respect the couple's decision and provide compassionate care regardless of their choice. The other choices are incorrect because they may undermine the couple's autonomy and may not be aligned with their wishes.