Question 1

Which of the following best explains why sexual reproduction increases a species' chances of survival in changing environments?

Accepted Answer

It allows for genetic diversity through the recombination of parental traits.

Question 2

During spermatogenesis, which hormone directly stimulates the production of sperm in the seminiferous tubules?

Accepted Answer

Follicle-stimulating hormone (FSH)

Question 3

A patient is diagnosed with a non-disjunction genetic disorder resulting from improper chromosome separation during female meiosis I. Which of the following syndromes could result from this error?

Accepted Answer

Turner’s syndrome (XO)

Question 4

Which structure in the male reproductive system is responsible for the maturation of sperm and is located within the scrotal sac?

Accepted Answer

Epididymis

Question 5

A woman taking birth control pills containing constant levels of estrogen and synthetic progestins will most likely experience which of the following effects?

Accepted Answer

Inhibition of ovulation due to suppression of FSH and LH release

Question 6

Which of the following events occurs during Prophase I of meiosis and contributes directly to genetic diversity?

Accepted Answer

Synapsis and crossing over between homologous chromosomes

Question 7

A male patient presents with infertility and a history of mumps infection during adolescence. Which anatomical structure is most likely affected, leading to his condition?

Accepted Answer

Testes

Question 8

Which hormone is primarily responsible for the development of secondary sexual characteristics in males, such as deepening of the voice and increased muscle mass?

Accepted Answer

Testosterone

Question 9

If fertilization occurs, which hormone produced by the embryo maintains the corpus luteum and prevents menstruation during the first trimester?

Accepted Answer

Human chorionic gonadotropin (hCG)

Question 10

Which of the following best describes the difference between mitosis and meiosis in terms of chromosome number in the resulting cells?

Accepted Answer

Mitosis produces diploid cells ($$2n$$); meiosis produces haploid cells ($$n).$$

Question 11

A patient is diagnosed with pelvic inflammatory disease (PID) and infertility. Which sexually transmitted infection is most commonly associated with these complications?

Accepted Answer

Chlamydia

Question 12

Which phase of the uterine cycle is characterized by the thickening of the endometrial lining and increased blood supply, preparing for possible implantation?

Accepted Answer

Proliferative and secretory phases

Question 13

Which of the following is a direct effect of the hormone progesterone during the female reproductive cycle?

Accepted Answer

Growth and maintenance of the uterine lining after ovulation

Question 14

A 52-year-old woman experiences hot flashes, increased risk of osteoporosis, and cessation of menstruation. Which physiological process is she most likely experiencing?

Accepted Answer

Menopause

Question 15

Which of the following best describes the sequence of events in oogenesis from puberty to fertilization?

Accepted Answer

Oogonium $$\rightarrow$$ Primary oocyte $$\rightarrow$$ Secondary oocyte $$\rightarrow$$ Ovum

Question 16

Which of the following glands produces a secretion that cleanses the urethra and provides lubrication during male sexual arousal?

Accepted Answer

Bulbourethral gland

Question 17

A patient presents with a painless lesion on the genitals, followed by a rash and joint pain. Which sexually transmitted disease is most likely responsible, and what is the recommended treatment?

Accepted Answer

Syphilis; treated with penicillin

Question 18

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

Accepted Answer

To maintain a temperature approximately 3 degrees lower than body temperature, which is optimal for sperm survival

Question 19

Which hormone surge from the anterior pituitary triggers ovulation in the female reproductive cycle?

Accepted Answer

Luteinizing hormone (LH)

Question 20

Which of the following is a function of the placenta during pregnancy?

Accepted Answer

Nourishment of the embryo, hormone production, and anchoring the fetus

Chapter 26: The Reproductive System – Anatomy & Physiology Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards