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M.Sc Nursing The Reproductive System — practice questions

Explore 44 free The Reproductive System questions in M.Sc Nursing Physiology. Open each question or exercise to read its content, reference answers and available explanation.

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The Reproductive System questions and exercises with answers

Showing questions 1–30 of 44.

For efficient sperm production, the testes must be kept how many degrees below core body temperature?Read the answer and worked solution →The clinical term for failure of one or both testes to descend into the scrotum before birth is:Read the answer and worked solution →The tunica albuginea divides each testis into how many lobules?Read the answer and worked solution →Sertoli cells, a type of sustentacular cell in the seminiferous tubules, form which protective structure?Read the answer and worked solution →Approximately how long does one full cycle of spermatogenesis, from spermatogonia to formed sperm, take?Read the answer and worked solution →Approximately how many sperm are produced by the testes each day?Read the answer and worked solution →The enzyme-filled cap covering most of the sperm head, important for penetrating the oocyte, is called the:Read the answer and worked solution →If straightened out, the coiled epididymis would measure approximately:Read the answer and worked solution →The surgical procedure that interrupts sperm delivery by cutting and sealing the ductus deferens is called:Read the answer and worked solution →What percentage of final semen volume is contributed by sperm cells themselves?Read the answer and worked solution →Seminal vesicle fluid is rich in fructose, which sperm mitochondria use to:Read the answer and worked solution →By age 60, approximately what percentage of men have some degree of benign prostatic hyperplasia (BPH)?Read the answer and worked solution →The final accessory glands to add fluid to semen, sometimes called Cowper's glands, are the:Read the answer and worked solution →The average length of an erect human penis is approximately:Read the answer and worked solution →Testosterone is produced by which testicular cells, also known as interstitial cells?Read the answer and worked solution →Testicular concentrations of testosterone are approximately how many times higher than concentrations in the general circulation?Read the answer and worked solution →The hypothalamic hormone that stimulates the anterior pituitary to release LH and FSH is:Read the answer and worked solution →In men, FSH primarily binds to which cells to promote spermatogenesis?Read the answer and worked solution →The female gonads, which produce oocytes and are approximately the size of an almond, are the:Read the answer and worked solution →The number of primary oocytes in the ovaries declines from one to two million in infancy to approximately how many by puberty?Read the answer and worked solution →During oogenesis, unequal division of the cytoplasm produces one large secondary oocyte and one much smaller cell called the:Read the answer and worked solution →Roughly what percentage of ovarian follicles undergo atresia (die) rather than reaching ovulation?Read the answer and worked solution →The large burst of LH that directly triggers ovulation of the dominant follicle is known as the:Read the answer and worked solution →After ovulation, if pregnancy does not occur within 10 to 12 days, the corpus luteum degrades into the:Read the answer and worked solution →The predominant type of bacteria in a healthy vagina, which secretes lactic acid to maintain an acidic pH, belongs to the genus:Read the answer and worked solution →The uterine tube region where fertilization most often occurs is the:Read the answer and worked solution →The innermost layer of the uterus, part of which builds up and sheds each menstrual cycle, is the:Read the answer and worked solution →Which endometrial layer is shed during menstruation, while the other layer remains behind?Read the answer and worked solution →In a typical 28-day menstrual cycle, ovulation occurs on approximately which day?Read the answer and worked solution →During the secretory phase, endometrial glands secrete a fluid rich in which nutrient, to sustain a fertilized egg if implantation occurs?Read the answer and worked solution →

Worked practice questions

For efficient sperm production, the testes must be kept how many degrees below core body temperature?

  1. 0.5 to 1°C
  2. 5 to 8°C
  3. 10 to 12°C
  4. 2 to 4°C
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Correct answer: D. 2 to 4°C

1. Sperm production (spermatogenesis) is temperature-sensitive and happens outside the abdominal cavity, in the scrotum. 2. This external location keeps the testes cooler than the body's core. 3. The ideal difference as 2 to 4°C below core body temperature. 4. So 2 to 4°C is correct, not the smaller or much larger temperature gaps offered. _Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 27 "The Reproductive System", p.1281 §Scrotum_

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The clinical term for failure of one or both testes to descend into the scrotum before birth is:

  1. Cryptorchidism
  2. Epididymitis
  3. Varicocele
  4. Hydrocele
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Correct answer: A. Cryptorchidism

1. During the seventh month of fetal development, each testis normally moves from the abdomen down into the scrotum. 2. This normal movement is called the descent of the testis. 3. When this descent fails to occur for one or both testes, a specific clinical term applies. 4. This condition is called cryptorchidism. _Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 27 "The Reproductive System", p.1282 §Testes_

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The tunica albuginea divides each testis into how many lobules?

  1. 10 to 20
  2. 300 to 400
  3. 50 to 75
  4. 1000 to 1200
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Correct answer: B. 300 to 400

1. The tunica albuginea is a tough connective tissue layer covering the testis. 2. It does not just cover the surface; it also sends septa (partitions) inward. 3. These septa divide the interior of each testis into distinct compartments. 4. 10 to 20 and 50 to 75 both understate the true number of lobules the septa create. 5. 1000 to 1200 overstates it well beyond the reported range. 6. So 300 to 400 lobules is correct. _Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 27 "The Reproductive System", p.1282 §Testes_

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