Nokea
Which statements about the ovarian follicles are true:
- A. they are located in the cortical area of the ovary;
- B. they are present in the ovary since birth;
- C. they are formed in the ovary at puberty;
- D. they are found in successive stages of evolution;
Correct Answer: B
Rationale: The correct answer is B because ovarian follicles are actually present in the ovary since birth. They are formed during fetal development and remain in a dormant state until puberty. Choice A is incorrect because follicles are located in the medullary area of the ovary, not the cortical area. Choice C is incorrect because follicles are formed before puberty. Choice D is incorrect because follicles do not go through stages of evolution but rather stages of development.
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On which day of the female's uterine (menstrual) cycle does ovulation typically occur?
- A. Day 7
- B. Day 14
- C. Day 21
- D. Day 24
Correct Answer: B
Rationale: The correct answer is B: Day 14. Ovulation typically occurs around day 14 of a female's menstrual cycle. This is because ovulation is triggered by a surge in luteinizing hormone (LH) which usually happens midway through the cycle. Ovulation marks the release of an egg from the ovary, making conception possible. Days 7, 21, and 24 are not typically associated with ovulation as they are either too early or too late in the menstrual cycle for the surge in LH to occur. It is important to note that the timing of ovulation can vary among individuals and cycles, but day 14 is considered the average for a 28-day menstrual cycle.
Choose the CORRECT statement regarding events that occur in metaphase II.
- A. Sister chromatids may no longer be identical to each other.
- B. Homologous chromosomes line up at metaphase plat
- C. Crossing over between homologous chromosomes occurs.
- D. Homologous chromosomes begin to separat
Correct Answer: A
Rationale: Correct Answer: A - Sister chromatids may no longer be identical to each other.
Rationale:
1. In metaphase II, sister chromatids align at the metaphase plate.
2. During meiosis II, sister chromatids separate and move to opposite poles.
3. Due to potential crossing over in meiosis I, sister chromatids may not be identical in meiosis II.
4. This variability contributes to genetic diversity in the resulting gametes.
Summary:
B: Homologous chromosomes do not line up in metaphase II; they already separated in meiosis I.
C: Crossing over occurs in meiosis I, not in meiosis II.
D: Homologous chromosomes start to separate in anaphase I, not metaphase II.
A client with phimosis is not a candidate for surgery. Which of the following suggestions should a nurse give the client?
- A. Apply a skin cream and try retracting the tissue.
- B. Wash under the foreskin daily and seek care if he cannot retract the tissue.
- C. Apply warm soaks to the foreskin.
- D. Take sitz baths regularly until the tissue retracts.
Correct Answer: B
Rationale: Proper hygiene and seeking care if issues persist are important for managing phimosis non-surgically.
The condition of a hidden testicle is of which type of tissue?
- A. skeletal muscle
- B. phimosis.
- C. epithelial tissue
- D. orchiditis.
Correct Answer: D
Rationale: The correct answer is D: orchiditis. Orchiditis refers to inflammation of the testicle, which is a type of tissue found in the male reproductive system. This condition specifically affects the testicular tissue, leading to pain, swelling, and possible complications. Skeletal muscle (choice A) is not related to the testicle, phimosis (choice B) is a condition of the foreskin, and epithelial tissue (choice C) primarily covers the surface of organs, not the testicle itself. Therefore, orchiditis is the most relevant choice for a condition affecting testicular tissue.
Which of the following is not a role of semen?
- A. Semen dilutes sperm.
- B. The acidity of semen helps neutralize the pH environment of a female's vagina
- C. Semen contains enzymes that enhance sperm motility.
- D. Semen contains antibiotic chemicals that destroy bacteria
Correct Answer: C
Rationale: The correct answer is C because semen does not contain enzymes that enhance sperm motility. Sperm motility is primarily influenced by the structure and health of the sperm themselves. Semen aids in sperm transport, provides nutrients, buffers the acidic vaginal environment, and contains antibiotics. Enzymes in semen primarily help with liquefaction of semen after ejaculation, not sperm motility. Choices A, B, and D are incorrect because semen does dilute sperm, neutralizes the acidic vaginal environment, and contains antibiotic chemicals, respectively.