Activities Quiz
1.

Sperm develop in the _____. (Activity 46A)

prostate gland
bulbourethral glands
seminiferous tubules
hypothalamus
seminal vesicles


2.

Sperm exit a male's body via the _____. (Activity 46A)

ejaculatory duct
urethra
oviduct
ureter
epididymis


3.

Which pituitary secretion stimulates sperm production? (Activity 46A)

LH
ACTH
TSH
PRL
FSH


4.

Which pituitary secretion stimulates the testes to secrete androgens? (Activity 46A)

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 46A)

androgens
thymosin
epinephrine
insulin
parathyroid hormone


6.

The secretion of androgens is regulated by a _____ feedback mechanism involving the _____ and _____. (Activity 46A)

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 46A)

seminiferous tubules
vas deferens
ejaculatory ducts
urethra
epididymis


8.

What is the usual site of the fertilization of an egg cell? (Activity 46B)

uterus
ovary
oviduct
abdominal cavity
vagina


9.

A fertilized egg usually implants itself and develops in the _____. (Activity 46B)

uterus
ovary
oviduct
abdominal cavity
none of these


10.

Developing ovarian follicles primarily secrete _____. (Activity 46B)

progesterone
estrogens
luteinizing hormone
follicle-stimulating hormone
human chorionic gonadotropin


11.

A rapid increase in the _____ level stimulates ovulation. (Activity 46B)

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 46B)

1
7
14
21
28


13.

After ovulation, high levels of _____ inhibit _____ secretion. (Activity 46B)

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 46B)

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 46B)

progesterone
estrogen
luteinizing hormone
follicle-stimulating hormone
human chorionic gonadotropin



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