Nokea
The primary spermatocytes:
- A. are formed by spermatogonia mitosis;
- B. have a complete number of chromosomes;
- C. generate secondary spermatocytes;
- D. are diploid cells;
Correct Answer: D
Rationale: The correct answer is D because primary spermatocytes are diploid cells, containing a complete set of chromosomes (46 in humans). They are formed by spermatogonia through a process called meiosis. During meiosis, the primary spermatocytes undergo two divisions to generate haploid secondary spermatocytes with half the number of chromosomes. Choices A and C are incorrect because primary spermatocytes are formed by spermatogonia undergoing meiosis, not mitosis, and they generate secondary spermatocytes, not the other way around. Choice B is incorrect because primary spermatocytes are diploid, not haploid.
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A mature ovarian follicle that is ready upper portion of the urethra just below to be ejected from an ovary is called a the junction with the urinary bladder. ________.
- A. ejaculatory
- B. primary oocyte
- C. seminal
- D. vesicular (Graafian) follicle
Correct Answer: D
Rationale: The correct answer is D: vesicular (Graafian) follicle. This structure is the final stage of maturation of an ovarian follicle before ovulation. It is characterized by a fluid-filled cavity and a bulging appearance on the surface of the ovary. It releases the mature egg during ovulation.
Rationale:
1. Ejaculatory (choice A) relates to the male reproductive system, not the female reproductive system.
2. Primary oocyte (choice B) refers to an immature egg cell, not a mature follicle.
3. Seminal (choice C) is related to semen production in males, not the female ovary.
In summary, the vesicular (Graafian) follicle (choice D) is the correct answer as it accurately describes the final stage of maturation of an ovarian follicle before ovulation.
A client is asking the nurse questions about the diagnosis of endometriosis. The nurse teaches the client that endometrial tissue is found outside the uterus and that the major symptom that a client experiences is which of the following?
- A. Pain
- B. Infection
- C. Minimal bleeding
- D. Cramping
Correct Answer: A
Rationale: Pain is the primary symptom associated with endometriosis.
During fetal development which cells give rise to primary oocytes?
- A. Spermatogonia
- B. Secondary oocytes
- C. Oogonia
- D. Granulosa cells
Correct Answer: C
Rationale: The correct answer is C: Oogonia. Oogonia are the cells that give rise to primary oocytes during fetal development. Oogonia undergo mitosis to produce primary oocytes, which then enter meiosis I to form secondary oocytes. Spermatogonia (A) are male germ cells that develop into sperm, not oocytes. Secondary oocytes (B) are formed from primary oocytes in the ovary after meiosis I completion. Granulosa cells (D) are somatic cells in the ovary that support oocyte development but do not give rise to oocytes themselves.
The spongy tissue of the penis fills
- A. circumcision with blood during sexual excitement
- B. spermatogenesis and causes the penis to enlarge and
- C. ejaculation become rigid during ________.
- D. erection
Correct Answer: D
Rationale: The spongy tissue of the penis fills with blood during an erection to cause the penis to become rigid. This process is essential for maintaining an erection during sexual activity. Spermatogenesis refers to the production of sperm, not the filling of spongy tissue. Circumcision does not involve the filling of spongy tissue with blood. Ejaculation is the release of semen and does not involve the filling of spongy tissue. Therefore, the correct answer is D as it accurately describes the physiological process of penile erection.
Which hormone promotes the final step of spermatogenesis?
- A. Relaxin
- B. Testosterone
- C. Inhibin
- D. Estrogen
Correct Answer: B
Rationale: The correct answer is B: Testosterone. Testosterone promotes the final step of spermatogenesis, which is the maturation of spermatids into spermatozoa. Testosterone is essential for the development and maintenance of male reproductive tissues and secondary sexual characteristics.
Choice A, Relaxin, is not involved in spermatogenesis. Choice C, Inhibin, regulates FSH secretion but does not directly promote the final step of spermatogenesis. Choice D, Estrogen, is a female sex hormone and not directly involved in spermatogenesis.