Which of the following statements is not true about the mechanism controlling lactation?
- A. The anterior pituitary secretes prolactin.
- B. The posterior pituitary secretes oxytocin.
- C. Prolactin stimulates the ejection of milk into the ducts of the mammary glands.
- D. All of the above statements are true about the mechanism controlling lactation.
Correct Answer: C
Rationale: Prolactin stimulates milk production, while oxytocin stimulates milk ejection.
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An ectopic pregnancy can occur in the:
- A. Uterus
- B. Pelvic cavity
- C. Uterine tubes
- D. Either B or C are correct.
Correct Answer: D
Rationale: An ectopic pregnancy can occur in the pelvic cavity or uterine tubes.
The uterine tubes are extensions of the uterus that communicate with the vagina and vulva.
- A. TRUE
- B. FALSE
- C. NA
- D. NA
Correct Answer: B
Rationale: The uterine tubes communicate with the uterus and ovaries, not directly with the vagina or vulva.
The urethral orifice is _____ to the vagina opening.
- A. Posterior
- B. Anterior
- C. Medial
- D. Lateral
Correct Answer: B
Rationale: The urethral orifice is anterior to the vaginal opening.
Arrange the steps of the female menstrual cycle in the correct order of occurrence.
- A. Menstrual phase
- B. Premenstrual phase
- C. Secretory phase
- D. Proliferative phase
Correct Answer: A,D,C,B
Rationale: The correct order of the female menstrual cycle is: A (Menstrual phase) -> D (Proliferative phase) -> C (Secretory phase) -> B (Premenstrual phase).
1. Menstrual phase (A) involves shedding of the uterine lining.
2. Proliferative phase (D) follows, where the lining thickens in preparation for implantation.
3. Secretory phase (C) occurs next, characterized by further thickening and vascularization of the endometrium.
4. Finally, premenstrual phase (B) occurs, leading to the shedding of the uterine lining if fertilization does not occur.
Other choices are incorrect because they do not follow the chronological sequence of events in the menstrual cycle.
All of the following are elements of the postpartum breast assessment EXCEPT:
- A. firmness, tenderness, and redness
- B. engorgement and nipple soreness/cracking
- C. lumps indicating possible cancerous growths
Correct Answer: C
Rationale: Lumps indicating possible cancerous growths are not typically part of a routine postpartum breast assessment.