Question 1

Which structure in the male reproductive system is responsible for producing spermatozoa and requires a temperature approximately 1°C below body temperature for optimal function?

Accepted Answer

Testes

Question 2

A patient presents with infertility due to a blockage in the duct that transports sperm from the epididymis to the ejaculatory duct. Which structure is most likely affected?

Accepted Answer

Vas deferens

Question 3

Which gland contributes approximately 60% of the seminal fluid and provides a transport medium for sperm?

Accepted Answer

Seminal vesicle

Question 4

During ejaculation, which structure merges with the urethra as it passes through the prostate gland?

Accepted Answer

Ejaculatory duct

Question 5

Which hormone is primarily responsible for triggering ovulation in the female reproductive cycle?

Accepted Answer

Luteinizing Hormone (LH)

Question 6

What is the correct sequence of the three phases of the ovarian cycle?

Accepted Answer

Follicular phase, Ovulation, Luteal phase

Question 7

Which layer of the uterus is shed during menstruation?

Accepted Answer

Endometrium

Question 8

If an oocyte is not fertilized, what is the fate of the corpus luteum?

Accepted Answer

It degenerates, leading to a drop in progesterone and the onset of menstruation

Question 9

Which hormone is released by the anterior pituitary gland to stimulate the growth of ovarian follicles?

Accepted Answer

Follicle Stimulating Hormone (FSH)

Question 10

A patient has a mutation that prevents the secretion of testosterone. Which of the following effects would most likely be observed?

Accepted Answer

Impaired maturation of spermatozoa

Question 11

Which structure in the female reproductive system is responsible for wafting the egg from the ovary into the fallopian tube?

Accepted Answer

Fimbriae

Question 12

Which of the following best describes the function of the bulbo-urethral glands in the male reproductive system?

Accepted Answer

They secrete a fluid that lubricates the urethra and neutralizes traces of acidic urine

Question 13

Which of the following is a correct statement about the chromosomes in human sex cells?

Accepted Answer

Both sperm and ova contain the same number of chromosomes

Question 14

Which phase of the menstrual cycle is characterized by regeneration and thickening of the endometrium under the influence of oestrogen?

Accepted Answer

Proliferative phase

Question 15

A woman is found to have a deficiency in Follicle Stimulating Hormone (FSH). Which process would be most directly affected?

Accepted Answer

Growth of ovarian follicles

Question 16

Which of the following best describes the corpus luteum?

Accepted Answer

The ruptured follicle that secretes progesterone after ovulation

Question 17

Which hormone is primarily responsible for maintaining the endometrial lining during the luteal phase of the menstrual cycle?

Accepted Answer

Progesterone

Question 18

A male patient has a blockage in the prostatic urethra. Which of the following functions would be most directly impaired?

Accepted Answer

Transport of both urine and semen

Question 19

Which of the following is a function of oxytocin in the female reproductive system?

Accepted Answer

Triggers uterine contractions and helps the uterus return to pre-pregnancy size

Question 20

Which of the following best explains why the testes are located outside the body cavity in the scrotum?

Accepted Answer

To maintain a temperature approximately 1°C below core body temperature, which is optimal for spermatogenesis

The Reproductive System: Structure, Function, and Regulation

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