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_________ is an example of a viviparous animal.
- A. Goat
- B. Duck
- C. Crocodile
- D. None of the above
Correct Answer: A
Rationale: The correct answer is A: Goat. Viviparous animals give birth to live young instead of laying eggs. Goats fall under this category as they give birth to live kids. Ducks (B) are oviparous, laying eggs. Crocodiles (C) are also oviparous, laying eggs. Choice D is incorrect as goats are viviparous animals.
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Which of the following portions of the placenta secretes HCG?
- A. Syncytiotrophoblast
- B. Cytotrophoblast
- C. Endometrium
- D. Chorion
Correct Answer: A
Rationale: The correct answer is A: Syncytiotrophoblast. This layer of the placenta secretes human chorionic gonadotropin (HCG), a hormone crucial for maintaining pregnancy by supporting the corpus luteum to produce progesterone. Syncytiotrophoblast is a multinucleated layer formed from the fusion of cytotrophoblast cells and is responsible for hormone secretion.
B: Cytotrophoblast is the inner layer of the trophoblast but does not secrete HCG.
C: Endometrium is the lining of the uterus and is not part of the placenta.
D: Chorion is a membrane that contributes to the formation of the placenta but does not secrete HCG.
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.
Removal of internal organs from a body cavity
- A. Conization
- B. Exenteration
- C. Dissection
- D. Cauterization
Correct Answer: B
Rationale: Exenteration involves the removal of internal organs from a body cavity, often performed in cases of advanced cancer or severe infection. This procedure is extensive, removing multiple organs or structures within a body cavity. Conization is a surgical procedure to remove a cone-shaped piece of tissue, typically from the cervix. Dissection involves cutting through tissues for examination or study, not necessarily removing organs. Cauterization is the process of burning tissue to stop bleeding or remove unwanted tissue, not specifically related to removal of organs from a body cavity. Therefore, the correct answer is B because it specifically describes the removal of internal organs from a body cavity.
Following a discussion about impending chemotherapy, Mrs. Morris says: 'I need to buy a wig.' From her comment you know Mrs. Morris understands one of the side effects of chemotherapy is
- A. hirsutism
- B. alopecia
- C. tinnea capitus
- D. folliculitis
Correct Answer: B
Rationale: Alopecia, or hair loss, is a common side effect of chemotherapy.
Which ligament holds the uterus in
- A. 8 place, laterally?
- B. 25
- C. round ligament
- D. 100
Correct Answer: C
Rationale: The correct answer is C: round ligament. The round ligament holds the uterus in place laterally. It is a band of tissue that connects the uterus to the groin region. This ligament provides support and stability to the uterus during movements and changes in position.
Choice A (8 place, laterally) and Choice D (100) are nonsensical and do not correspond to any anatomical structure or location.
Choice B (25) is also incorrect as it does not exist as a ligament involved in supporting the uterus.
In summary, the round ligament is the correct choice as it is the specific ligament responsible for holding the uterus in place laterally, providing essential support and stability.