Nokea
The gonads, or primary sex organs, produce sex cells, also known as ________.
- A. zygotes
- B. interstitial cells
- C. gametes
- D. spermatids
Correct Answer: C
Rationale: The correct answer is C: gametes. Gonads produce sex cells, which are haploid cells involved in reproduction. Gametes are the mature, haploid male or female germ cells (sperm or egg) produced by the gonads. Zygotes are formed when gametes fuse during fertilization, not produced by gonads. Interstitial cells are found in the testes and produce hormones, not sex cells. Spermatids are immature male germ cells that develop into sperm, not the primary sex cells produced by gonads.
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The ejaculatory duct:
- A. forms by the joining of the deferent duct with the seminal vesicle duct;
- B. opens in the urethra;
- C. is an extratesticular spermatic duct;
- D. is an intratesticular spermatic duct;
Correct Answer: A
Rationale: The correct answer is A because the ejaculatory duct is formed by the joining of the deferent duct (vas deferens) with the seminal vesicle duct. This is important for transporting sperm and seminal fluid towards the urethra for ejaculation. Choice B is incorrect because the ejaculatory duct does not open directly into the urethra; rather, it joins with the urethra. Choice C is incorrect as the ejaculatory duct is not extratesticular; it is located within the prostate gland. Choice D is incorrect as the ejaculatory duct is not located within the testicle; it is formed outside the testicle by the union of other structures.
The mammary gland:
- A. is an erectile organ;
- B. is part of the internal genital organs;
- C. is an accessory gland of the female reproductive system;
- D. is a pair organ;
Correct Answer: C
Rationale: Step-by-step rationale:
1. The mammary gland is not an erectile organ, eliminating choice A.
2. It is not part of the internal genital organs, ruling out choice B.
3. The mammary gland is indeed an accessory gland of the female reproductive system, making choice C correct.
4. Lastly, the mammary gland is a pair of organs, which supports choice D as incorrect.
Therefore, choice C is correct as the mammary gland functions as an accessory gland in the female reproductive system.
A client is undergoing sentinel lymph node mapping. A nurse explains that this new technique reduces the likelihood of which
- A. Lymphedema
- B. Excessive scarring
- C. Cellulitis
- D. None of the above
Correct Answer: A
Rationale: Sentinel lymph node mapping helps reduce the risk of lymphedema by limiting the number of lymph nodes removed.
Which of the following has no homolog in the female?
- A. penis
- B. scrotum
- C. prostate
- D. bulbourethral glands
Correct Answer: B
Rationale: The correct answer is B: scrotum. The scrotum is a male-specific structure that houses the testes, which are responsible for producing sperm. In females, there is no homologous structure that serves the same function as the scrotum. The other choices (A: penis, C: prostate, D: bulbourethral glands) have homologous structures in females (clitoris, Skene's glands, and Bartholin's glands, respectively). This differentiation is based on the embryological development of male and female reproductive structures.
Women infected with human papilloma virus (HPV) are at risk for which of the following?
- A. Uterine fibroids
- B. Cervical cancer
- C. Ovarian cysts
- D. Hemorrhagic
Correct Answer: B
Rationale: HPV infection is a significant risk factor for developing cervical cancer.