Nokea
The main function of the prostate seems to be _____.
- A. spermatogenesis
- B. production of glycogen
- C. secretion of alkaline mucus
- D. maturation of sperm cells
Correct Answer: C
Rationale: The correct answer is C: secretion of alkaline mucus. The prostate gland produces alkaline mucus that helps neutralize the acidic environment of the vagina, thus enhancing sperm viability. Spermatogenesis (choice A) occurs in the testes, not the prostate. The production of glycogen (choice B) is not a function of the prostate. While the prostate does play a role in sperm transport and nourishment, it does not directly impact the maturation of sperm cells (choice D).
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Which of the following statements is incorrect.
- A. a female has approximately 2-4 million oocytes at birth
- B. a female has approximately 6 million oogonia during fetal development
- C. a female ovulates about 2,000 to 4,000 oocytes during her life
- D. only approximately 1-5 oocytes are fertilized
Correct Answer: C
Rationale: The correct answer is C because a female actually ovulates only about 400-500 oocytes during her lifetime, not 2,000 to 4,000. This is due to the process of follicular atresia where many oocytes are lost before ovulation. Choice A is correct as females have a finite number of oocytes at birth. Choice B is correct as oogonia differentiate into primary oocytes during fetal development. Choice D is incorrect as typically only one oocyte is fertilized during each menstrual cycle.
This tiny gland produces a secretion that is similar to a large lysosome and that cleanses the male urethra of assists penetration of the egg is called traces of acidic urine prior to the ________.
- A. flagellum
- B. prostate
- C. midpiece
- D. bulbo-urethral gland
Correct Answer: D
Rationale: The correct answer is D: bulbo-urethral gland. This gland produces a clear secretion that neutralizes traces of acidic urine, lubricates the urethra, and assists in sperm motility. The other choices are incorrect because:
A: Flagellum is a structure on sperm cells for propulsion.
B: Prostate produces seminal fluid but does not cleanse the urethra.
C: Midpiece is a part of the sperm cell that contains mitochondria for energy production, not a gland.
The deferent duct joins with the ........ and forms.........:
- A. the seminal vesicle duct;
- B. the urethra;
- C. the ejaculatory duct;
- D. the epididymal duct;
Correct Answer: C
Rationale: The correct answer is C: the ejaculatory duct. The deferent duct, also known as the vas deferens, joins with the seminal vesicle duct to form the ejaculatory duct. This is where sperm from the testes and fluid from the seminal vesicles combine before entering the urethra during ejaculation. The other choices are incorrect because the seminal vesicle duct does not directly join with the deferent duct, the urethra is not formed by the deferent duct, and the epididymal duct is not involved in the formation of the ejaculatory duct.
Which questions are appropriate for a symptom analysis of a patient with benign prostatic hyperplasia?
- A. How often have you found that you stopped and started again several times when you urinated?
- B. How often have you had to urinate again less than 2 hours after you finished urinating?
- C. How often have you been incontinent of urine?
- D. How often have you had constipation due to the enlarged prostate?
Correct Answer: B
Rationale: The correct answer is B because frequent urination less than 2 hours after finishing can be indicative of benign prostatic hyperplasia (BPH). This symptom, known as urgency, is common in patients with BPH due to bladder irritation. Option A relates more to urinary flow patterns, not specifically associated with BPH. Option C pertains to urinary incontinence, which is not typically a symptom of BPH. Option D is not directly related to BPH symptoms, as constipation is not a common manifestation of this condition.
Which structure is the site of sperm production?
- A. Vas deferens
- B. Seminiferous tubules
- C. Albuginea
- D. Epididymis
Correct Answer: B
Rationale: The correct answer is B: Seminiferous tubules. These tubules are located within the testes and are the specific structures where sperm production occurs through a process called spermatogenesis. Sperm cells are produced within the seminiferous tubules and then mature as they move through the epididymis (choice D) and vas deferens (choice A). The albuginea (choice C) is the tough outer covering of the testes and does not play a direct role in sperm production. Therefore, the seminiferous tubules are the primary site for sperm production in the male reproductive system.