$$\text{Estrogen} \uparrow \Rightarrow \text{Endometrium} \uparrow$$

Question 1

Which structure in the female reproductive system is responsible for producing eggs and alternating between the right and left sides each month?

Accepted Answer

Ovary

Question 2

During the menstrual cycle, which hormone is primarily responsible for building the lining of the uterus?

Accepted Answer

Estrogen

Question 3

What is the function of the corpus luteum after ovulation?

Accepted Answer

It produces estrogen and progesterone to maintain the uterine lining.

Question 4

Which hormone is released by the hypothalamus to stimulate the pituitary gland in both males and females?

Accepted Answer

Gonadotropin-releasing hormone (GnRH)

Question 5

If fertilization does not occur, what happens to the endometrium?

Accepted Answer

It is broken down and shed during menstruation.

Question 6

Which structure serves as the birth canal and opens to the outside of the female body?

Accepted Answer

Vagina

Question 7

What is the primary function of the placenta during pregnancy?

Accepted Answer

To exchange materials between the mother and fetus without mixing their blood

Question 8

Which hormone signals the uterus to contract during birth and also triggers milk release after birth?

Accepted Answer

Oxytocin

Question 9

In the male reproductive system, where does meiosis occur to produce sperm?

Accepted Answer

Seminiferous tubules

Question 10

Which hormone is produced by the pituitary gland and stimulates sperm production in the testes?

Accepted Answer

Follicle-stimulating hormone (FSH)

Question 11

A patient is diagnosed with low levels of luteinizing hormone (LH). Which process in the female reproductive cycle would be most directly affected?

Accepted Answer

Ovulation

Question 12

Which equation best represents the formation of a diploid zygote after fertilization?

Accepted Answer

$$n + n = 2n$$

Question 13

During which days of the menstrual cycle does ovulation typically occur?

Accepted Answer

Day 14

Question 14

Which hormone is released by the placenta to signal the need for continued support of the uterine lining during pregnancy?

Accepted Answer

Human chorionic gonadotropin (HCG)

Question 15

What is the main component of semen that helps sperm survive as it exits the male body?

Accepted Answer

Seminal fluid (water, fructose, proteins)

Question 16

Which structure in the male reproductive system is necessary to maintain proper temperature for sperm development?

Accepted Answer

Scrotum

Question 17

A mutation causes the endometrium to not shed properly. Which process would be most directly affected?

Accepted Answer

Menstruation

Question 18

Which equation describes the relationship between hormone levels and the menstrual cycle, as shown in the provided diagram?

Accepted Answer

$$	ext{Estrogen} \uparrow \Rightarrow 	ext{Endometrium} \uparrow$$

Question 19

Which structure in the female reproductive system is NOT shared with the excretory system?

Accepted Answer

Urethra

Question 20

A patient has a deficiency in FSH. Which outcome is most likely in both male and female reproductive systems?

Accepted Answer

Reduced sperm and egg maturation

Human Reproductive System: Structure, Function, and Hormonal Regulation

Study Guide - Practice Questions