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A&P III > practice exam 3 > Flashcards

practice exam 3 Flashcards

1
Q

autocrine secretion occurs when chemical messengers are released from one cell and diffuse to nearby cells in the same tissue, which stimulates their physiology

A

false

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2
Q

there are either no or very few nerve going to the anterior pituitary gland from the hypothalamus only blood vessels called the hypophyseal portal system

A

true

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3
Q

the adrenal cortex is responsible for the secretion of epinephrine and norepinephrine

A

false

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4
Q

testosterone in males and progesterone in females exert a negative feedback loop in order to slow production of their respective hormones

A

true

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5
Q

luteinizing hormone’s target organs are the ovaries and testes

A

true

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6
Q

the medulla of the ovary produces ova

A

false

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7
Q

the paramesonephric duct will develop into the reproductive tract in a male fetus

A

false

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8
Q

woman …

A

mulliarian

paramesonephric duct

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9
Q

male…

A

mesonephric

woffian

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10
Q

in the process of producing sperm spermatogonia will go through two rounds of mitosis and 1 round of meiosis

A

false

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11
Q

the genital tubercle of a male fetus will eventually develop into the glands or head of the penis

A

true

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12
Q

a sperm count of 20 to 25 million sperm/mL or lower is associated with infertility in males

A

true

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13
Q

the protein pepsinogen is responsible for the breakdown of ingested carbohydrates

A

false

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14
Q

at the time of birth a female neonate will have approximately 5-7 million oocytes

A

false

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15
Q

neonate has

A

1-2 million oocytes

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16
Q

after meiosis I occurs during oogenesis the smaller daughter cell known as the first polar body disintegrates and dies

A

true

17
Q

a menstrual cycle begins with a 2 week period known as the luteal phase

A

false

18
Q

a menstrual cycle begins with a 2 week period known as the ….

A

follicular phase

19
Q

when ovulation occurs, the levels of luteinizing hormones are significantly higher than follicle stimulating hormone levels

A

true

20
Q

in conditions of starvation, the liver will help support blood glucose levels by synthesizing glucose from amino acids

A

true

21
Q

all TRUE EXCEPT about adrenocorticotropic hormone:

a. released under stress
b. it is a steroid
c. responsible for secretion of glucocorticoids
d. it is target organ is the adrenal cortex
e. none

A

NOT true adrenocorticotropic hormone

it is a steroid

22
Q

adrenocorticotropic hormone released under stress

A

true

23
Q

adrenocorticotropic hormone responsible for secretion of glucocorticoids

A

true

24
Q

adrenocorticotropic hormone it is target organ is the adrenal cortex

A

true

25
Q

in a clinical or physiological stress response, what happens:

a. an increase in corticotrophin releasing hormone being released
b. an increase in cortisol release
c. an increase in the release of adrenocorticotropic hormone

A

all of the above

26
Q

an increase in the secretion of mainly cortisol will cause a person to gain weight, loss muscle mass and have a suppressed immune system this disorder is known as:

a. hyperthyroidism
b. grave’s disease
c. cushing’s syndrome
d. hypothyroidism
e. none of the above

A

an increase in the secretion of mainly cortisol will cause a person to gain weight, loss muscle mass and have a suppressed immune system this disorder is known as:

cushing’s syndrome

27
Q

excess thyroid hormones are stored in the thyroid in this form:

a. tri-iodothyronine (T3)
b. thyroixine (T4)
c. Thyroglobulin
d. thyrogon
e. a & b

A

excess thyroid hormones are stored in the thyroid in this form:

thyroixine (T4)

28
Q

chemical digestion of carbohydrates begins here:

a. mouth
b. stomach
c. duodenum
d. jejunum
e. ileum

A

chemical digestion of carbohydrates begins here:

mouth

29
Q

during spermiogenesis a spermatid does which:

d. both A & C
a. divides into 4 haploid cells
b. the acrosomal vesicle and flagellum appears
c. excess cytoplasm is shed
e. both B & C

A

during spermiogenesis a spermatid does which:

the acrosomal vesicle and flagellum appears

excess cytoplasm is shed

30
Q

the function of semen to:

a. protect the pH level of the vagina
b. provide calcium to the uterine wall to increase uterine muscular contractions in order to move the semen
c. provide additional nutrients to a potential zygote
d. all of the above
e. none of the above

A

none

would be true if sperm not femal system

31
Q

the fucntion of the SRY gene on the Y chromosome to:

a. lead to development of the testes by encoding for protein TDF (testes determining factor)
b. change a Y chromosome to an X chromosome
c. secrete testosterone
d. secrete the hormone MIF (mullerian-inhibiting factor)
e. none

A

the fucntion of the SRY gene on the Y chromosome to:

lead to development of the testes by encoding for protein TDF (testes determining factor)

32
Q

TRUE turner’s syndrome:

a. there is a cure
b. 99% of fetuses with turner’s syndrome are spontaneously aborted during the first trimester
c. the genotype for Turner’s syndrome is XXO
d. turner’s syndrome will produce an abnormal fat deposit on the back giving the person a humpback appearance
e. none

A

TRUE turner’s syndrome:

99% of fetuses with turner’s syndrome are spontaneously aborted during the first trimester

33
Q

the cells which are responsible for nourishing the developing sperm within the testes are the

a. Leydig cells
b. type A spermatogonium
c. type B spermatogonium
d. sertoli cells
e. none of the above

A

the cells which are responsible for nourishing the developing sperm within the testes are the

sertoli cells

34
Q

Thelarche, one of the stages of puberty for girls, is defined:

a. the first period
b. the appearance of pubic hair
c. breast formation
d. the onset of acne
e. none

A

Thelarche, one of the stages of puberty for girls, is defined:

breast formation

35
Q

which of the following hormones exerts the highest influence during the majority of prego:

a. Luteinizing hormone
b. progesterone
c. oxytocin
d. follicle stimulating hormone
e. none

A

which of the following hormones exerts the highest influence during the majority of prego:

b. progesterone

36
Q

the production of glycogen from glucose is known as:

a. glycogenolysis
b. glycogenesis
c. gluconeogenesis
d. glycolysis

A

the production of glycogen from glucose is known as:

glycogenesis

37
Q

with the cessation of menstruation, a decrease in estrogen and progesterone secretion occurs. Associated with this secretion decrease is:

a. atrophy of breast, uterine, and vaginal tissue
b. a decrease in bone mass
c. sporadic, non-homeostatic constriction and dilation of blood vessels
d. all of the above
e. none of the above

A

all of the above

A&P III (6 decks)

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