ATI RN
Biology Human Reproductive System Questions
Question 1 of 5
Which gland produces thick, clear mucus that cleanses the penile urethra of acidic urine?
Correct Answer: D
Rationale: The correct answer is D: Bulbourethral glands. These glands produce thick, clear mucus that cleanses the penile urethra of acidic urine before ejaculation. This mucus helps neutralize the acidity of urine, creating a more hospitable environment for sperm to travel through. The other choices are incorrect because: A: Testes produce sperm, not mucus. B: Seminal vesicles produce a fluid rich in fructose to nourish sperm. C: Prostate produces a milky fluid that aids in sperm motility.
Question 2 of 5
Which structure provides a temporary
Correct Answer: A
Rationale: The correct answer is A, seminal gland, which provides a temporary storage site for immature sperm. Seminal glands are responsible for producing seminal fluid which nourishes and protects the sperm. The immature sperm are stored in the seminal gland until they mature. The other choices, B tunica albuginea, is a tough layer surrounding the testes, not involved in sperm storage. C ductus deferens is a tube that transports mature sperm from the epididymis to the urethra, not for storage of immature sperm. D is a duplicate of C, so it is incorrect.
Question 3 of 5
Failure of the testes to descend into mitotic cell divisions occur as the the scrotum is a condition known as zygote travels down the uterine ________.
Correct Answer: C
Rationale: The correct answer is C: cryptorchidism. Cryptorchidism is the condition where one or both testes fail to descend into the scrotum. This leads to impaired spermatogenesis as the temperature in the abdominal cavity is too high for proper sperm production. Phimosis (A) is the narrowing of the opening of the foreskin, unrelated to testicular descent. The acrosomal reaction (B) is a process during fertilization, not related to testicular descent. Cleavage (D) refers to the rapid mitotic cell divisions of the zygote, not associated with testicular descent.
Question 4 of 5
What effect does luteinizing hormone uterine (fallopian) tubes is called the (LH) have on a female?
Correct Answer: D
Rationale: Rationale: 1. LH is a hormone released by the pituitary gland. 2. Its main role in females is to trigger ovulation. 3. LH does not directly affect the uterine tubes or breast enlargement. 4. Therefore, the correct answer is D: "LH has no effect on a female." Summary: A, B, and C are incorrect because LH does not promote breast enlargement or affect the uterine tubes. The correct answer, D, is supported by the physiological functions of LH in the female reproductive system.
Question 5 of 5
Ovulation is initiated by
Correct Answer: D
Rationale: The correct answer is D: rising levels of luteinizing hormone. Luteinizing hormone surge triggers ovulation by stimulating the release of the mature egg from the ovary. This surge is a crucial event in the menstrual cycle. A: Follicle stimulating hormone is involved in follicular development, not ovulation. B: Progesterone levels rise after ovulation, not before. C: Oestrogen levels actually rise before ovulation to trigger the LH surge, so a drop in oestrogen levels would not initiate ovulation.