Activities Quiz

Chapter 46: Animal Reproduction

Activities Quiz

1 .

Sperm develop in the _____. (Activity: Reproductive System of the Human Male)

prostate gland

bulbourethral glands

seminiferous tubules

hypothalamus

seminal vesicles

2 .

Sperm exit a male's body via the _____. (Activity: Reproductive System of the Human Male)

ejaculatory duct

urethra

oviduct

ureter

epididymis

3 .

Which pituitary secretion stimulates sperm production? (Activity: Reproductive System of the Human Male)

LH

ACTH

TSH

PRL

FSH

4 .

Which pituitary secretion stimulates the testes to secrete androgens? (Activity: Reproductive System of the Human Male)

LH

ACTH

TSH

PRL

FSH

5 .

Which hormone(s) is(are) directly responsible for triggering the development of the secondary sex characteristics of males, such as beard growth? (Activity: Reproductive System of the Human Male)

androgens

thymosin

epinephrine

insulin

parathyroid hormone

6 .

The secretion of androgens is regulated by a _____ feedback mechanism involving the _____ and _____. (Activity: Reproductive System of the Human Male)

positive ... hypothalamus ... pituitary gland

negative ... hypothalamus ... pituitary gland

positive ... thyroid ... pituitary gland

negative ... pancreas ... pituitary gland

negative ... seminal vesicles ... prostate gland

7 .

Sperm become capable of movement while in the _____. (Activity: Reproductive System of the Human Male)

seminiferous tubules

vas deferens

ejaculatory ducts

urethra

epididymis

8 .

What is the usual site of the fertilization of an egg cell? (Activity: Reproductive System of the Human Female)

uterus

ovary

oviduct

abdominal cavity

vagina

9 .

A fertilized egg usually implants itself and develops in the _____. (Activity: Reproductive System of the Human Female)

uterus

ovary

oviduct

abdominal cavity

none of these

10 .

Developing ovarian follicles primarily secrete _____. (Activity: Reproductive System of the Human Female)

progesterone

estrogens

luteinizing hormone

follicle-stimulating hormone

human chorionic gonadotropin

11 .

A rapid increase in the _____ level stimulates ovulation. (Activity: Reproductive System of the Human Female)

progesterone

estrogen

luteinizing hormone

follicle-stimulating hormone

human chorionic gonadotropin

12 .

Ovulation usually occurs on or about day _____ of a 28-day ovarian cycle. (Activity: Reproductive System of the Human Female)

1

7

14

21

28

13 .

After ovulation, high levels of _____ inhibit _____ secretion. (Activity: Reproductive System of the Human Female)

estrogen and progesterone ... FSH and LH

FSH and LH ... estrogen and progesterone

HCG ... estrogen and progesterone

estrogen ... FSH

androgens ... FSH and LH

14 .

If there is no fertilization, degeneration of the corpus luteum results in a drop in _____, which results in the sloughing off of the uterus's endometrium. (Activity: Reproductive System of the Human Female)

FSH

estrogen and progesterone

hypothalamic secretion of releasing hormones

HCG

LH

15 .

If there is fertilization, secretion of _____ by the early embryo maintains the corpus luteum. (Activity: Reproductive System of the Human Female)

progesterone

estrogen

luteinizing hormone

follicle-stimulating hormone

human chorionic gonadotropin