Chapter 27 Review Questions Flashcards

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1
Q

What are male gametes called?
a)ova
b)sperm
c)testes
d)testosterone

A

Sperm

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2
Q

Leydig cells ________.
a)secrete testosterone
b)activate the sperm flagellum
c)support spermatogenesis
d)secrete seminal fluid

A

a)secrete testosterone

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3
Q

Which hypothalamic hormone contributes to the regulation of the male reproductive system?
a)luteinizing hormone
b)gonadotropin-releasing
c)hormone
d)follicle-stimulating hormone
androgens

A

b)gonadotropin-releasing

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4
Q

What is the function of the epididymis?
a)sperm maturation and storage
b)produces the bulk of seminal fluid
c)provides nitric oxide needed for erections
d)spermatogenesis

A

a)sperm maturation and storage

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5
Q

Spermatogenesis takes place in the ________.
a)prostate gland
b)glans penis
c)seminiferous tubules
d)ejaculatory duct

A

c)seminiferous tubules

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6
Q

What are the female gonads called?
a)oocytes
b)ova
c)oviducts
d)ovaries

A

d)ovaries

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7
Q

When do the oogonia undergo mitosis?
a)before birth
b)at puberty
c)at the beginning of each menstrual cycle
d)during fertilization

A

a)before birth

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8
Q

From what structure does the corpus luteum originate?
a)uterine corpus
b)dominant follicle
c)fallopian tube
d)corpus albicans

A

b)dominant follicle

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9
Q

Where does fertilization of the egg by the sperm typically occur?
a)vagina
b)uterus
c)uterine tube
d)ovary

A

c)uterine tube

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10
Q

Why do estrogen levels fall after menopause?
a)The ovaries degrade.
b)There are no follicles left to produce estrogen.
c)The pituitary secretes a menopause-specific hormone.
The cells of the endometrium degenerate.

A

b)There are no follicles left to produce estrogen.

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11
Q

The vulva includes the ________.
a)lactiferous duct, rugae, and hymen
b)lactiferous duct, endometrium, and bulbourethral glands
c)mons pubis, endometrium, and hymen
d)mons pubis, labia majora, and Bartholin’s glands

A

d)mons pubis, labia majora, and Bartholin’s glands

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12
Q

What controls whether an embryo will develop testes or ovaries?
a)pituitary gland
b)hypothalamus
c)Y chromosome
d)presence or absence of estrogen

A

c)Y chromosome

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13
Q

Without SRY expression, an embryo will develop ________.
a)male reproductive structures
b)female reproductive structures
c)no reproductive structures
d)male reproductive structures 50 percent of the time and female reproductive structures 50 percent of the time

A

b)female reproductive structures

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14
Q

The timing of puberty can be influenced by which of the following?
a)genes
b)stress
c)amount of body fat
d)all of the above

A

d)all of the above

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