Nokea
Mastoid process is part of which bone?
- A. Temporal
- B. Mandible
- C. Maxilla
- D. Ethmoid
Correct Answer: A
Rationale: The correct answer is A: Temporal. The mastoid process is a bony projection located on the temporal bone, which is situated behind the ear. It serves as an attachment site for various neck muscles. The temporal bone also houses important structures like the middle and inner ear components. The other choices, B: Mandible, C: Maxilla, and D: Ethmoid, are incorrect because the mastoid process is not located on these bones. The mandible is the jawbone, the maxilla forms the upper jaw, and the ethmoid bone is located in the skull's orbit and nasal cavity. Therefore, based on its anatomical location and function, the correct answer is A: Temporal.
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Which of the following reasons should a nurse provide a client when asked about the purpose of a Papanicolaou test?
- A. It is used to detect early breast cancer.
- B. It is used to detect early cancer of the Cervix.
- C. It is used to detect the fertility status of the woman.
- D. It is used to detect early stages of an STD.
Correct Answer: B
Rationale: The Pap test is specifically designed to detect early cervical cancer.
How many seminiferous tubules are found in each lobule?
- A. 1-3
- B. 50-100
- C. 200-300
- D. 500 or more
Correct Answer: B
Rationale: The correct answer is B (50-100) because each lobule in the testis contains multiple seminiferous tubules where sperm production occurs. The average number of seminiferous tubules per lobule ranges from 50 to 100. This is supported by anatomical studies and research on testicular structure.
Explanation:
A: 1-3 - This is too low as each lobule contains more seminiferous tubules for efficient sperm production.
C: 200-300 - This is too high as it overestimates the number of seminiferous tubules per lobule.
D: 500 or more - This is excessive and not accurate based on scientific findings.
In summary, choice B is correct because it accurately reflects the typical range of seminiferous tubules per lobule, while the other choices either underestimate or overestimate this number.
Sperm are stores in the ___________, ascend into the ___________ prior to ejaculation, and are discharged from the penis through the ____________
- A. seminiferous tubules, prostate gland, vas deferens.
- B. epididymis, vas deferens, urethra
- C. epididymis, epididymis, urethra
- D. epididymis. Prostate gland, urethra
Correct Answer: B
Rationale: The correct answer is B. Sperm are stored in the epididymis, ascend into the vas deferens prior to ejaculation, and are discharged from the penis through the urethra. The epididymis is where sperm mature and are stored. The vas deferens is the duct through which sperm travels from the epididymis to the urethra for ejaculation. The urethra is the final pathway for sperm to exit the body. Choices A, C, and D are incorrect because they do not follow the correct anatomical pathway of sperm from storage to ejaculation.
Menarche is the
- A. first menses
- B. permanent cessation of menses
- C. first sign of sperm production
- D. time of first ovulation
Correct Answer: A
Rationale: The correct answer is A: first menses. Menarche refers to the onset of a girl's first menstrual period, signifying the beginning of her reproductive years. This event marks the maturation of the reproductive system and the ability to conceive. The other choices are incorrect because menarche does not refer to the permanent cessation of menses (choice B), the first sign of sperm production (choice C), or the time of first ovulation (choice D). Menarche specifically pertains to the first menstrual cycle in females, indicating the initiation of their menstrual and reproductive functions.
Which of the following statements is incorrect?
- A. both luteinising hormone and follicle stimulating hormone are secreted by the hypothalamus
- B. testosterone stimulates sertoli cells
- C. luteinising hormone stimulates Leydig cells to make testosterone
- D. sertoli cells secrete inhibin
Correct Answer: A
Rationale: The correct answer is A because luteinising hormone (LH) and follicle stimulating hormone (FSH) are not secreted by the hypothalamus, but by the anterior pituitary gland. LH stimulates Leydig cells to produce testosterone, not the hypothalamus. Testosterone stimulates sertoli cells, not the other way around. Inhibin is indeed secreted by sertoli cells, but it does not relate to the incorrect statement regarding the origin of LH and FSH.