Nokea
Which diagnostic study is recommended for high-risk clients in addition to mammography?
- A. Breast biopsy
- B. MRI
- C. Ultrasound
- D. CT scan
Correct Answer: B
Rationale: MRI is often recommended for high-risk clients as an additional diagnostic tool.
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What is the purpose of spermiogenesis?
- A. The stem cell line is built through the process of spermiogenesis.
- B. Spermiogenesis produces type A cells from each spermatogonium.
- C. Spermatids are streamlined to form sperm via spermiogenesis.
- D. Spermiogenesis results in the production of two sperm from one primary spermatocyt
Correct Answer: C
Rationale: The correct answer is C: Spermatids are streamlined to form sperm via spermiogenesis. Spermiogenesis is the final stage of spermatogenesis where round spermatids mature into spermatozoa. During spermiogenesis, the spermatids undergo significant structural changes, including the formation of the acrosome, tail, and mitochondria, to become fully functional sperm cells. Choices A and B are incorrect because spermiogenesis does not involve building the stem cell line or producing type A cells. Choice D is incorrect because spermiogenesis does not result in the production of two sperm from one primary spermatocyte; rather, it is the process by which spermatids are transformed into mature sperm cells.
Regarding histology of mammary gland
- A. Lactiferous duct is mainly lined by simple cuboidal epithelium
- B. Nipple is lubricated by sebaceous gland
- C. Terminal ductules are seen in lactating mammary gland
- D. Interlobular stroma increase in pregnancy
Correct Answer: B
Rationale: Correct Answer: B - Nipple is lubricated by sebaceous gland
Rationale:
1. Sebaceous glands produce sebum, which lubricates the skin.
2. The nipple is a part of the skin, and sebaceous glands present in the areola secrete sebum to lubricate the nipple.
3. This lubrication helps protect the nipple during breastfeeding.
Summary of other choices:
A: Lactiferous duct is mainly lined by simple cuboidal epithelium - Incorrect. The lactiferous duct is lined by stratified cuboidal and columnar epithelium.
C: Terminal ductules are seen in lactating mammary gland - Incorrect. Terminal ductules are present in non-lactating mammary glands.
D: Interlobular stroma increase in pregnancy - Incorrect. Interlobular stroma does not significantly increase in pregnancy; rather, the alveoli and ducts enlarge during this period.
The uterus displays the following components:
- A. the cervix;
- B. the corpus;
- C. the head;
- D. the mid piece;
Correct Answer: A
Rationale: The correct answer is A: the cervix. The cervix is a component of the uterus that connects the uterus to the vagina. It plays a crucial role in pregnancy, as it dilates during childbirth to allow the baby to pass through. The other choices, B: the corpus, C: the head, and D: the mid piece, are incorrect as they do not refer to components of the uterus. The corpus typically refers to the main body of an organ, while the head and mid piece are terms commonly associated with structures in cells or organisms, not the uterus.
Which of the following is a fungal disease of the reproductive system?
- A. Syphilis
- B. Gonorrhea
- C. Candidiasis
- D. Genital Herpes
Correct Answer: C
Rationale: The correct answer is C: Candidiasis. Candidiasis is a fungal infection caused by the Candida fungus, commonly affecting the reproductive system. It can cause symptoms like itching, burning, and abnormal discharge.
A: Syphilis is a bacterial infection transmitted through sexual contact.
B: Gonorrhea is a bacterial infection affecting the reproductive system.
D: Genital Herpes is a viral infection that affects the genital area.
In summary, Candidiasis is the only fungal disease listed, making it the correct choice for a fungal infection of the reproductive system.
What results from spermiogenesis? ________.
- A. four spermatogonia
- B. emission
- C. four spermatids
- D. menses
Correct Answer: C
Rationale: Spermiogenesis is the process of spermatid maturation into spermatozoa. During this process, each spermatid transforms into a single sperm cell. Therefore, the correct answer is C: four spermatids, as spermiogenesis results in the formation of four mature sperm cells from each spermatid.
A: Four spermatogonia are the cells that undergo mitosis to produce spermatocytes, not the result of spermiogenesis.
B: Emission refers to the release of semen during ejaculation, not the result of spermiogenesis.
D: Menses is the shedding of the uterine lining during the menstrual cycle in females, not related to spermiogenesis.