Nokea
Where does fertilization normally occur?
- A. uterus
- B. uterine tube
- C. ovary
- D. pelvic cavity
Correct Answer: B
Rationale: The correct answer is B, the uterine tube. Fertilization typically occurs in the uterine tube, also known as the fallopian tube, where the egg and sperm meet and fuse to form a zygote. This is the site where the fertilized egg begins its journey towards the uterus for implantation. The other choices are incorrect because fertilization does not occur in the uterus (A), ovary (C), or pelvic cavity (D). The uterus is where the fertilized egg implants and develops into a fetus, the ovary is where the egg is released during ovulation, and the pelvic cavity is a space that houses reproductive organs but not the site of fertilization.
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Giving prostaglandin E2 (PGE2) to a pregnant woman may result in an abortion. What is the best explanation for this finding?
- A. PGE2 strongly stimulates uterine contraction
- B. PGE2 causes constriction of the arteries leading to the placenta
- C. PGE2 stimulates the release of oxytocin from the posterior pituitary
- D. PGE2 increases the secretion of progesterone from the corpus luteum
Correct Answer: A
Rationale: The correct answer is A because prostaglandin E2 (PGE2) is known to strongly stimulate uterine contractions. This can lead to abortion by triggering premature labor and causing the expulsion of the fetus. Choice B is incorrect as PGE2 does not cause arterial constriction leading to the placenta. Choice C is incorrect because PGE2 does not stimulate the release of oxytocin; rather, oxytocin itself is a hormone that stimulates uterine contractions. Choice D is also incorrect as PGE2 does not increase progesterone secretion from the corpus luteum; in fact, PGE2 can have the opposite effect by inhibiting progesterone synthesis.
The prostate:
- A. is located under the urinary bladder;
- B. is located around the initial segment of the urethra;
- C. is an accessory gland of the male reproductive system;
- D. secretes androgenic hormones;
Correct Answer: C
Rationale: Step-by-step rationale:
1. The prostate is an accessory gland because it produces and secretes fluid that nourishes and protects sperm.
2. It is not located under the urinary bladder (A) but surrounds the initial segment of the urethra (B).
3. The prostate does not secrete androgenic hormones (D); instead, it secretes prostate-specific antigen (PSA) and enzymes.
4. Thus, the correct answer is C because it accurately describes the function of the prostate as an accessory gland of the male reproductive system.
Which gland provides fructose, a sugar in semen that energizes sperm?
- A. Seminal vesicles
- B. Bulbourethral gland
- C. Prostate
- D. Epididymis
Correct Answer: A
Rationale: The correct answer is A: Seminal vesicles. These glands produce fructose, a sugar in semen that provides energy for sperm. Seminal vesicles are located near the base of the bladder and are responsible for producing a significant portion of the fluid in semen. The other choices are incorrect because the bulbourethral gland produces a clear lubricating fluid, the prostate produces a milky fluid that helps with sperm motility and viability, and the epididymis is a coiled tube where sperm mature and are stored, but it does not produce fructose.
In educating a male patient about testicular cancer, the nurse includes which statement?
- A. The highest incidence of this cancer is in men between 20 and 34 years of age.
- B. The incidence of this cancer is correlated with human papillomavirus (HPV) infection.
- C. The risk of this cancer increases with multiple sexual partners.
- D. This type of cancer more commonly affects uncircumcised males.
Correct Answer: A
Rationale: Step 1: The correct answer is A because testicular cancer has the highest incidence in men between 20 and 34 years of age, making it crucial to educate this age group.
Step 2: Choice B is incorrect as testicular cancer is not correlated with HPV; it is more associated with undescended testicles.
Step 3: Choice C is incorrect as there is no direct link between the number of sexual partners and testicular cancer risk.
Step 4: Choice D is incorrect as circumcision status is not a significant factor in the development of testicular cancer.
The medullar area of the ovary contains:
- A. blood vessels;
- B. vegetative (autonomi
- C. nerve fibers;
- D. lymphatic vessels;
Correct Answer: A
Rationale: The correct answer is A: blood vessels. The medullar area of the ovary contains blood vessels to supply oxygen and nutrients to the ovarian tissue. This is essential for the nourishment and function of the ovary. Choice B, vegetative (autonomic) nerve fibers, is incorrect as the ovary primarily receives autonomic innervation from the sympathetic and parasympathetic nervous systems, which are not specifically located in the medullar area. Choice C, nerve fibers, is also incorrect as nerve fibers are mainly found in the ovarian cortex rather than the medulla. Choice D, lymphatic vessels, is incorrect as the lymphatic vessels are responsible for draining lymph fluid and are not typically located in the medullar area of the ovary.