Which of these includes the other terms?
- A. labia
- B. clitoris
- C. vulva
- D. vestibular glands
Correct Answer: C
Rationale: The correct answer is C: vulva. The vulva includes the labia, clitoris, and vestibular glands. The labia are the outer folds of skin, the clitoris is a highly sensitive erectile structure, and the vestibular glands are located around the vaginal opening. The vulva encompasses all these structures, making it the most inclusive term among the options provided. The other choices are incorrect because they are specific structures that are part of the vulva but do not encompass all the other terms listed.
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The nurse will plan to teach a 51-yr-old man who is scheduled for an annual physical examination about a(n)
- A. increased risk for testicular cancer.
- B. possible changes in erectile function.
- C. normal decreases in testosterone level.
- D. prostate specific antigen (PSA) testing.
Correct Answer: C
Rationale: The correct answer is C: normal decreases in testosterone level. At the age of 51, it is important to educate the man about the normal age-related decline in testosterone levels, which can affect various aspects of health. This information will help manage expectations and address potential symptoms. Option A is incorrect as testicular cancer risk typically decreases with age. Option B may be a concern but is not the primary focus of education for a routine physical exam. Option D (PSA testing) is more relevant for prostate health, which is not the main focus of education for a 51-year-old man's annual physical exam.
This tiny gland produces a secretion that is similar to a large lysosome and that cleanses the male urethra of assists penetration of the egg is called traces of acidic urine prior to the ________.
- A. flagellum
- B. prostate
- C. midpiece
- D. bulbo-urethral gland
Correct Answer: D
Rationale: The correct answer is D: bulbo-urethral gland. This gland produces a clear secretion that neutralizes traces of acidic urine, lubricates the urethra, and assists in sperm motility. The other choices are incorrect because:
A: Flagellum is a structure on sperm cells for propulsion.
B: Prostate produces seminal fluid but does not cleanse the urethra.
C: Midpiece is a part of the sperm cell that contains mitochondria for energy production, not a gland.
The ovary:
- A. is a gland with mixed role;
- B. has exocrine role, secreting the female sexual hormones;
- C. has endocrine role, generating the ovules;
- D. represents the female gonad;
Correct Answer: D
Rationale: The correct answer is D because the ovary is indeed the female gonad responsible for producing eggs and releasing female sex hormones like estrogen and progesterone. This is its primary function, making it the most accurate choice. Choice A is incorrect as the ovary's main role is reproductive rather than mixed. Choice B is incorrect as the ovary secretes both female sex hormones and eggs, not just hormones. Choice C is incorrect as ovules are part of the female reproductive system but not the main function of the ovary.
Which cell has been fertilized by a sperm cell?
- A. primary oocyte
- B. secondary oocyte
- C. ovum
- D. oogonia
Correct Answer: C
Rationale: The correct answer is C (ovum) because the ovum is the mature and fertilized egg cell resulting from the fusion of a sperm cell and an egg cell during fertilization. The primary oocyte (A) is an immature egg cell that has not undergone fertilization. The secondary oocyte (B) is the egg cell released during ovulation but has not yet been fertilized. Oogonia (D) are the precursor cells that give rise to primary oocytes through the process of oogenesis. Therefore, the ovum is the only choice that accurately represents a fertilized egg cell.
Female infertility can be caused by hormonal problems, blocked fallopian tubes, and
- A. a cold
- B. lack of appetite
- C. irregular menstrual cycles
- D. STDs
Correct Answer: D
Rationale: The correct answer is D: STDs. Sexually transmitted diseases (STDs) can lead to pelvic inflammatory disease (PID) which can cause scarring and blockage of the fallopian tubes, leading to female infertility. STDs such as chlamydia and gonorrhea can also cause damage to the reproductive organs, affecting fertility. Therefore, STDs are a significant factor contributing to female infertility.
A: A cold is a common viral infection that does not directly impact female fertility.
B: Lack of appetite is not a known cause of female infertility.
C: Irregular menstrual cycles can be a symptom of hormonal imbalances but may not directly lead to infertility.