Reproductive System Quizlet Anatomy

Reproductive System Quizlet Anatomy Related

Review Reproductive System Quizlet Anatomy related questions and content

Which structure is formed by the union of the duct from the seminal vesicle and the ampulla of the vas deferens?

  • A. Urethra
  • B. Spermatic cord
  • C. Inguinal canal
  • D. Ejaculatory duct
Correct Answer: D

Rationale: The correct answer is D: Ejaculatory duct. This structure is formed by the union of the duct from the seminal vesicle and the ampulla of the vas deferens. The ejaculatory duct plays a crucial role in male reproductive anatomy by transporting sperm and seminal fluid to the urethra for ejaculation. The other choices (A: Urethra, B: Spermatic cord, C: Inguinal canal) are incorrect because they do not involve the specific union of the duct from the seminal vesicle and the ampulla of the vas deferens, which is unique to the ejaculatory duct. The urethra is the final pathway for semen release, the spermatic cord contains blood vessels and nerves that supply the testicles, and the inguinal canal is a passage for structures like blood vessels and nerves to pass through the abdominal wall.

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Which of these is not a function of estrogen?

  • A. decreases adipose
  • B. breast development
  • C. increased skin blood vessels
  • D. enlarges clitoris
Correct Answer: A

Rationale: Estrogen does not decrease adipose tissue; it actually promotes fat deposition in certain body areas. Breast development, increased skin blood vessels, and enlargement of the clitoris are all functions of estrogen. Adipose tissue regulation is influenced by other hormones like insulin and cortisol.

Which one of the following is NOT one

  • A. spermatid of the secondary sex characteristics
  • B. primary spermatocyte typical of males?
  • C. secondary spermatocyte
  • D. deepening voice
Correct Answer: A

Rationale: The correct answer is A because a spermatid is a mature male germ cell that arises from the process of spermatogenesis, not a secondary sex characteristic.
- B is incorrect as a primary spermatocyte is indeed typical of males in the process of spermatogenesis.
- C is incorrect as a secondary spermatocyte is an intermediate stage in spermatogenesis.
- D is incorrect as deepening voice is a secondary sex characteristic associated with male puberty.

Spermatogenesis is regulated by a negative feedback control system in which follicle-stimulating hormone (FSH) stimulates the steps in sperm cell formation. What is the negative feedback signal associated with sperm cell production that inhibits pituitary formation of FSH?

  • A. Testosterone
  • B. Inhibin
  • C. Estrogen
  • D. Luteinizing hormone
Correct Answer: B

Rationale: The correct answer is B: Inhibin. Inhibin is a hormone secreted by the testes in response to high levels of sperm production. Inhibin acts as a negative feedback signal to the pituitary gland, inhibiting the production of follicle-stimulating hormone (FSH). This helps to regulate spermatogenesis by preventing excessive FSH stimulation.

A: Testosterone is not the negative feedback signal for inhibiting FSH production. While testosterone does play a role in regulating spermatogenesis, it does not directly inhibit pituitary FSH production.

C: Estrogen is not involved in the negative feedback control system of spermatogenesis. Estrogen is more closely associated with the female reproductive system.

D: Luteinizing hormone is not the negative feedback signal for inhibiting FSH production. LH is involved in the regulation of testosterone production, not FSH.

Which cells are present in a male age five?

  • A. spermatocytes
  • B. spermatozoa
  • C. spermatogonia
  • D. spermatid
Correct Answer: C

Rationale: The correct answer is C: spermatogonia. At the age of five, boys have not reached puberty yet, so they do not produce sperm cells. Spermatogonia are the precursor cells that give rise to sperm cells later in puberty. Spermatocytes are the cells that undergo meiosis to form sperm cells, spermatozoa are mature sperm cells, and spermatids are the immediate precursors to sperm cells. Therefore, the only cells present in a male age five would be spermatogonia, as they are the early-stage cells in the process of spermatogenesis.

The general meaning of the term "corpus" is best described by which of the following?

  • A. Abdomen
  • B. Body
  • C. Death
  • D. Head
Correct Answer: B

Rationale: The correct answer is B: Body. Corpus commonly refers to a collection of written or spoken texts, which together form a body of work. "Body" is the best choice as it encompasses the idea of a collection or group of related items. A is incorrect as it refers specifically to the abdomen, not the general term. C, Death, and D, Head, are unrelated to the general meaning of "corpus" as they do not convey the idea of a body or collection.

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