Nokea
The general meaning of the term "corpus" is best described by which of the following?
- A. Abdomen
- B. Body
- C. Death
- D. Head
Correct Answer: B
Rationale: The correct answer is B: Body. Corpus commonly refers to a collection of written or spoken texts, which together form a body of work. "Body" is the best choice as it encompasses the idea of a collection or group of related items. A is incorrect as it refers specifically to the abdomen, not the general term. C, Death, and D, Head, are unrelated to the general meaning of "corpus" as they do not convey the idea of a body or collection.
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Which hormone initiates the changes in puberty?
- A. FSH
- B. ICSH
- C. testosterone
- D. GnRH
Correct Answer: D
Rationale: The correct answer is D: GnRH. Gonadotropin-releasing hormone (GnRH) is released from the hypothalamus, stimulating the pituitary gland to produce FSH and LH, which then trigger the changes of puberty. FSH and LH are not the initial hormones that start puberty, but rather the result of GnRH stimulation. Testosterone and ICSH are also involved in puberty but are not the primary hormone that initiates the process.
During the first few years after menopause, follicle-stimulating hormone (FSH) levels are normally extremely high. A 56-year-old woman completed menopause 3 years ago. However, she is found to have low levels of FSH in her blood. Which of the following is the best explanation for this finding?
- A. She has been receiving hormone replacement therapy with estrogen and progesterone since she completed menopause
- B. Her adrenal glands continue to produce estrogen
- C. Her ovaries continue to secrete estrogen
- D. She took birth control pills for 20 years before menopause
Correct Answer: A
Rationale: The correct answer is A: She has been receiving hormone replacement therapy with estrogen and progesterone since she completed menopause. Hormone replacement therapy suppresses the release of FSH by providing exogenous hormones, thereby reducing the body's need to produce FSH. This explains the low levels of FSH in her blood despite being postmenopausal.
Explanation for why the other choices are incorrect:
B: Her adrenal glands continue to produce estrogen - Adrenal glands do produce small amounts of estrogen, but not in sufficient quantities to significantly impact FSH levels.
C: Her ovaries continue to secrete estrogen - Ovaries cease estrogen production after menopause, so this would not explain the low FSH levels.
D: She took birth control pills for 20 years before menopause - Birth control pills do not directly impact FSH levels in postmenopausal women.
Bone is partially broken, it breaks on one surface and bends on another is known as ________________.
- A. Colles fracture
- B. Greenstick fracture
- C. Impacted fracture
- D. Compression fracture
Correct Answer: B
Rationale: The correct answer is B: Greenstick fracture. This type of fracture occurs in children due to their bones being softer and more flexible. In a greenstick fracture, the bone is partially broken, breaking on one surface while bending on the other. This happens because children's bones have more collagen and less mineral content, making them more likely to bend rather than break completely.
A: Colles fracture is a specific type of wrist fracture where the distal radius is broken.
C: Impacted fracture occurs when the broken ends of the bone are driven into each other.
D: Compression fracture involves the bone being crushed or compressed, usually seen in the spine.
Mrs. Flower has had an uneventful recovery from a hysterectomy necessitated by a class III cervical lesion. Two days before going home, she stopped eating, complained of difficulty swallowing, and would not talk. Which of the following actions is most appropriate?
- A. Avoid mention of diet and ask her husband to bring in favored foods
- B. Recommend psychiatric consultation before discharge
- C. Monitor her intake and output as a nursing measure
- D. Arrange for the dietician to talk with her
Correct Answer: B
Rationale: Psychiatric consultation is appropriate to address potential psychological issues affecting recovery.
Human egg cells are most similar to human sperm cells in their
- A. degree of motility
- B. amount of stored food
- C. chromosome number
- D. shape and size
Correct Answer: C
Rationale: The correct answer is C: chromosome number. Human egg cells and sperm cells both have 23 chromosomes, which is half the total number of chromosomes in a human cell (46). This is crucial for maintaining the correct chromosome number in offspring. Choices A, B, and D are incorrect because:
A: Human egg cells are not motile, while sperm cells are highly motile.
B: Egg cells contain a larger amount of stored food (cytoplasmic material) compared to sperm cells.
D: Egg cells are larger and rounder in shape, while sperm cells are smaller and more streamlined.