Nokea
Which of the following statements relating to lactation is incorrect.
- A. plasma prolactin releasing factor stimulates the release of prolactin from the anterior pituitary.
- B. mechanical stimulation and neural inputs stimulate the anterior pituitary to secrete prolactin releasing factor and oxytocin.
- C. plasma oxytocin stimulates the contraction of breast glands causing milk ejection.
- D. progesterone helps prepare the mammary glands for lactation
Correct Answer: B
Rationale: The correct answer is B because mechanical stimulation and neural inputs do not directly stimulate the anterior pituitary to secrete prolactin releasing factor and oxytocin. The release of prolactin is primarily controlled by the hypothalamus through the release of prolactin inhibitory hormone (dopamine) and prolactin releasing hormone. Oxytocin release is controlled by the hypothalamus in response to suckling. Choices A, C, and D are all correct statements about lactation. Plasma prolactin releasing factor (prolactin releasing hormone) does stimulate the release of prolactin, plasma oxytocin does stimulate milk ejection, and progesterone does prepare the mammary glands for lactation.
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Removal of internal organs from a body cavity
- A. Conization
- B. Exenteration
- C. Dissection
- D. Cauterization
Correct Answer: B
Rationale: Exenteration involves the removal of internal organs from a body cavity, often performed in cases of advanced cancer or severe infection. This procedure is extensive, removing multiple organs or structures within a body cavity. Conization is a surgical procedure to remove a cone-shaped piece of tissue, typically from the cervix. Dissection involves cutting through tissues for examination or study, not necessarily removing organs. Cauterization is the process of burning tissue to stop bleeding or remove unwanted tissue, not specifically related to removal of organs from a body cavity. Therefore, the correct answer is B because it specifically describes the removal of internal organs from a body cavity.
The nurse is assessing a client for reproductive health problems. What would be the priority assessments? (Select all that apply.)
- A. Bleeding
- B. Pain
- C. Sexual orientation
- D. Masses
Correct Answer: A
Rationale: The correct answer is A: Bleeding. Bleeding is a priority assessment because it can indicate serious reproductive health issues such as ectopic pregnancy or cervical cancer. Pain and masses are important assessments, but bleeding takes precedence due to its potential urgency. Sexual orientation is not a priority assessment for reproductive health problems as it does not directly impact the client's immediate physical health.
The evening after surgery, she complains of a 'tightness' at her incision. The most appropriate nursing action would be to
- A. notify the doctor
- B. reassure Mrs. Smith that this is a normal sensation
- C. redress the wound
- D. check removal drainage
Correct Answer: B
Rationale: Reassuring the patient that tightness is normal post-surgery helps alleviate anxiety.
Approximately how long does it take sperm to get to the site of fertilization?
- A. 2 mins
- B. 20 mins
- C. 60 mins
- D. 3 hours
Correct Answer: D
Rationale: The correct answer is D: 3 hours. After ejaculation, sperm needs to travel through the female reproductive tract to reach the site of fertilization in the fallopian tube. This journey typically takes around 3 hours due to the distance and obstacles the sperm must overcome. Choice A (2 mins) is too short for sperm to travel such a distance. Choice B (20 mins) is also insufficient for the journey. Choice C (60 mins) is closer but still underestimates the time required for sperm to reach the fallopian tube.
Which of the following is not a source of estrogen?
- A. adrenal gland
- B. ovary
- C. pituitary
- D. follicle
Correct Answer: C
Rationale: The correct answer is C: pituitary. Estrogen is primarily produced by the ovaries, with a small amount also coming from the adrenal glands. The pituitary gland is not a direct source of estrogen production but plays a role in regulating the release of hormones that stimulate estrogen production in the ovaries. The follicle, on the other hand, is a structure within the ovary where estrogen is produced during the menstrual cycle. Therefore, C is the correct answer as the pituitary gland does not directly produce estrogen.