Question 1

Which of the following is the primary function of the oviduct in the female reproductive tract?

Accepted Answer

Site of fertilization

Question 2

A veterinarian is examining a cow with a suspected ovarian disorder. Which structure should she focus on if she is interested in the site of ovulation and hormone production?

Accepted Answer

Corpus luteum

Question 3

Which hormone is primarily responsible for maintaining pregnancy in mammals?

Accepted Answer

Progesterone

Question 4

Which of the following best describes the function of the cervix in the female reproductive tract?

Accepted Answer

Barrier to protect the uterus from infection

Question 5

Which of the following is NOT a difference between monotremes and mammals regarding reproduction?

Accepted Answer

Monotremes have internal fertilization

Question 6

A sheep farmer wants to synchronize the estrous cycles of his flock. Which hormone should he administer to regress the corpus luteum and allow a new cycle to begin?

Accepted Answer

Prostaglandin F2α

Question 7

Which of the following correctly matches the male reproductive structure with its function?

Accepted Answer

Epididymis – sperm maturation

Question 8

A bull produces 8 billion sperm per ejaculate. If the sperm concentration is $$1.2 	imes 10^9$ sperm/mL, how many milliliters of semen are in the ejaculate?

Accepted Answer

$$6.7 mL$$

Question 9

Which hormone is responsible for stimulating ovulation in females?

Accepted Answer

Luteinizing hormone (LH)

Question 10

Which of the following best describes the function of the corpus luteum?

Accepted Answer

Secretes progesterone to maintain pregnancy

Question 11

A horse has an estrous cycle length of 21 days. If ovulation occurs on day 0, on which day would you expect the next ovulation to occur?

Accepted Answer

Day 21

Question 12

Which of the following is a function of the male accessory sex glands?

Accepted Answer

Secretion of fluids that nourish and protect sperm

Question 13

Which hormone is produced by the follicle and is responsible for the development of secondary sex characteristics in females?

Accepted Answer

Estrogen

Question 14

Which of the following best explains why seasonal breeders only reproduce during certain times of the year?

Accepted Answer

Their reproductive cycles are regulated by changes in day length (photoperiod)

Question 15

A rabbit has a gestation length of 31 days. If a female is bred on March 1st, on what date should the farmer expect the litter to be born?

Accepted Answer

April 1st

Question 16

Which hormone is responsible for the initiation of parturition (birth) in mammals?

Accepted Answer

Cortisol

Question 17

During which stage of parturition does the expulsion of the fetus occur?

Accepted Answer

Stage 2

Question 18

Which of the following is a correct pairing of hormone and its primary function in males?

Accepted Answer

LH – stimulates Leydig cells to produce testosterone

Question 19

Which of the following is a correct description of the function of the infundibulum in the female reproductive tract?

Accepted Answer

Catches the oocyte after ovulation

Question 20

Which of the following best describes the relationship between estrus and ovulation in induced ovulators like rabbits?

Accepted Answer

Ovulation is triggered by mating

Animal Reproduction: Study Guide for General Biology

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