Nokea
For what is the decrease in estrogen and progesterone during the menstrual cycle responsible?
- A. Degeneration of the corpus luteum
- B. Ovulation
- C. Follicle maturation
- D. Shedding of the endometrium
Correct Answer: D
Rationale: The fall in estrogen and progesterone causes the endometrium to break down, resulting in menstruation.
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What physical changes of puberty will the nurse indicate are related to the production of testosterone?
- A. Stimulation of production of white cells and platelets
- B. Promotion of growth of small bones
- C. Increase in muscle mass and strength
- D. Decrease in production of sebaceous gland secretions
Correct Answer: C
Rationale: Testosterone increases muscle mass, promotes strength and growth of long bones, and enhances production of red blood cells.
What would be an important point to teach this mother?
- A. Milk is produced in ducts and lobules regardless of breast size.
- B. Supplementing breastfeeding with formula allows the infant to receive adequate nutrition.
- C. Breast size can be increased with exercise.
- D. Drinking extra milk during pregnancy allows breasts to produce adequate amounts of milk.
Correct Answer: A
Rationale: Breast size does not influence the ability to secrete milk.
The nurse is aware that the diagonal conjugate is 12 cm. What is the measurement in centimeters of the obstetric conjugate?
- A. 10 to 10.5
- B. 11 to 11.5
- C. 12.5 to 13
- D. 14 to 14.5
Correct Answer: A
Rationale: The obstetric conjugate is approximately 1.5 to 2 cm shorter than the diagonal conjugate.
Where are the secretions responsible for nourishing sperm excreted from?
- A. Vas deferens
- B. Epididymis
- C. Cowper's gland
- D. Scrotum
Correct Answer: C
Rationale: The Cowper's gland secretions nourish the sperm.
The nurse knows that which is the most favorable pelvic type for vaginal birth?
- A. Gynecoid
- B. Android
- C. Anthropoid
- D. Platypelloid
Correct Answer: A
Rationale: The gynecoid pelvis is typical female pelvis and is most favorable for vaginal birth.