Question
Possible Points
1.
The haploid (n) number of chromosomes in human cells is
46.
23 pair
Correct answer:
23
46 pair.
Correct answer. The haploid (n) number of chromosomes in human cells is 23.
2.
Which of the following is NOT true of meiosis?
Homologous chromosomes appear together in prophase I.
Homologous chromososmes line up paired in metaphase I.
Correct answer:
The centromere splits and chromatids move to opposite poles in anaphase I.
The daughter cells of telophase I each have 23 chromosomes still attached to their copies.
Correct answer. The centromere splits and chromatids move to opposite poles does not occur in anaphase I, but in anaphase II.
3.
The final products of meiosis are
Correct answer:
4 haploid daughter cells.
2 haploid daughter cells.
4 diploid daugher cells.
2 diploid daughter cells.
Correct answer.
4.
A fertilized ovum is first called a _________ .
meiotic cell
Graafian follicle
corpus albicans
Correct answer:
zygote
Correct answer. The term zygote describes a fertilized ovum.
5.
The primary sex organs of the male are the
prostate glands.
Correct answer:
testes.
epididymides.
ovaries.
Correct answer. The primary sex organs of the male are the testes.
6.
Why are the testes located outside the body in the scrotal sacs?
for protection
because it is too cold inside
Correct answer:
because it is too warm inside
because it is too wet inside
Correct answer. The testes located outside the body in the scrotal sacs because it is too warm inside.
7.
Where does spermatogenesis occur?
epididymides
seminal vesicles
Correct answer:
seminiferous tubules
vas deferens
Incorrect answer. Spermatogenesis occurs in the seminiferous tubules.
8.
Which cells produce testosterone?
Correct answer:
interstitial
seminiferous
spermatogonia
spermatozoa
Incorrect answer. The interstitial cells are endocrine cells which produce androgens including testosterone.
9.
What type of cells provide nourishment and support to developing sperm cells?
spermatogonial cells
spermatids
interstitial cells
Correct answer:
sustentacular cells
Correct answer. Sustentacular cells provide nourishment and support to developing sperm cells.
10.
How many sperm are formed from one primary spermatocyte?
1
2
Correct answer:
4
8
Correct answer. Four (4) sperm are formed from one primary spermatocyte.
11.
Which of the following is NOT a part of a sperm?
tail
Correct answer:
follicle
head
middle piece
Correct answer. The follicle is NOT a part of a sperm.
12.
The ______ of a sperm cell contains enzymes that facilitate penetration of the ovum.
Correct answer:
acrosome
head
middle piece
tail
Incorrect answer. The head is covered with the acrosome "cap" which contains enzymes to penetrate the ovum.
13.
Where do sperm mature?
Correct answer:
epididymides
seminal vesicles
seminiferous tubules
vas deferens
Incorrect answer. Sperm mature and can be stored in the epididymides.
14.
What structure transports sperm from the testes to the abdominal cavity?
Correct answer:
vas deferens
epididymis
seminiferous tubules
urethra
Correct answer. The vas deferens transports sperm from the testes to the abdominal cavity.
15.
Which of the following does NOT add its secretions to seminal fluid?
bulbourethral gland
epididymis
prostate
seminal vesicle
Correct answer:
inguinal canal
Incorrect answer. The bulbourethral gland, prostate, seminal vesicles, and all of the tube structures add secretions to the semen.
16.
Sperm are most viable in a ________ solution.
slightly acidic
Correct answer:
slightly basic
neutral
Correct answer. Sperm are most viable in a basic or alkaline solution.
17.
Which of the following male glands is NOT paired?
Correct answer:
prostate gland
bulbourethral gland
seminal vesicle
Correct answer. The prostate gland is not paired.
18.
Which male gland produces a secretion that is thin, milky, and alkaline?
Correct answer:
prostate
bulbourethral gland
seminal vesicle
Incorrect answer. The prostate produces a secretion that is thin, milky, and alkaline.
19.
Which hormone stimulates testosterone production?
inhibin
Correct answer:
luteinizing hormone
follicle stimulating hormone
gonadotropic-releasing hormone
Incorrect answer. Luteinizing hormone (LH) promotes androgen (testosterone) production in the interstitial cells.
20.
Which hormone stimulates spermatogenesis?
inhibin
luteinizing hormone (LH)
Correct answer:
Follicle stimulating hormone (FSH)
Gonadotropic-releasing hormone (GnRH)
Incorrect answer. Follicle stimulating hormone (FSH) stimulates spermatogenesis.
21.
Which of the following is NOT a result of testosterone action?
increased skin gland secretion
increased body hair growth
Correct answer:
decreased size of the larynx
increased muscular strength
Correct answer. Decreased size of the larynx is NOT a result of testosterone action. The larynx increases in size.
22.
The primary female sex organ(s) is (are) the
uterus.
fallopian tubes.
vulva.
Correct answer:
ovaries.
Correct answer. The primary female sex organs are the ovaries.
23.
Which of the following structures conducts an ovum toward the uterus?
cervix
ovary
Correct answer:
uterine tube
urethra
Correct answer. The uterine tube (oviduct, fallopian tube) conducts the ovum toward the uterus.
24.
Fertilization, the completion of oogenesis, and zygote formation normally occur in the
cervix.
ovary.
Correct answer:
uterine tube.
uterus.
Correct answer. The uterine tube (oviduct, fallopian tube) is where fertilization, the completion of oogenesis, and zygote formation
occur.
25.
The formation of an ovum through the process of meiosis is called
Correct answer:
oogenesis.
menstruation.
menarche.
ovulation.
Correct answer. The formation of an ovum through the process of meiosis is called oogenesis.
26.
How many viable cells are produced by oogenesis?
Correct answer:
1
2
4
8
Correct answer. There is 1 viable cell produced by oogenesis. The other 3 cells are the polar bodies which generally disintegrate.
27.
Which structures usually disintegrate during oogenesis?
first polar body
second polar body
sperm
Chlamydia
Correct answer:
a and b
c and d
Incorrect answer. The best answer is "e"; both first and second polar bodies usually disintegrate during oogenesis.
28.
What structure is formed in the ovary from the follicle of an ovulated ovum?
fimbriae
corpus albicans
Correct answer:
corpus luteum
Graafian follicle
Correct answer. The corpus luteum is formed in the ovary from the follicle of an ovulated ovum.
29.
Which of the following is NOT another name for the uterine tubes?
Correct answer:
ovarian tubules
oviducts
Fallopian tubes
Incorrect answer. Ovarian tubule is NOT another name for the uterine tubes.
30.
The ________ of the female is homologous to the penis in males.
Correct answer:
clitoris
uterus
vagina
vulva
Correct answer. The female's clitoris is homologous to the male's penis.
31.
Which hormone stimulates ovulation?
estrogen
FSH
GnRH
Correct answer:
LH
Incorrect answer. Luteinizing hormone (LH) stimulates ovulation.
32.
Which hormone stimulates the release of luteinizing hormone?
estrogen
FSH
Correct answer:
GnRH
Progesterone
Incorrect answer. GnRH induces a surge in both FSH and LH secretion by the pituitary.
33.
Which of the following hormones is secreted by the corpus luteum?
estrogen
FSH
Progesterone
Correct answer:
Both progesterone and estrogen
Correct answer. Both progesterone and estrogen are secreted by the corpus luteum, but the major secretion is progesterone.
34.
Estrogen is responsible for the
development of a follicle.
formation of the corpus luteum.
release of an ovum.
Correct answer:
thickening of the endometrium
Incorrect answer. Estrogen causes the endometrial lining to thicken during the proliferative phase.
35.
Which of the following does NOT describe events of the follicular phase of the ovarian cycle?
Correct answer:
Estrogen causes a large decrease in LH secretion.
FSH causes several ovarian follicles to develop.
Follicle secretes estrogen.
LH levels rise along with the FSH.
Correct answer. Estrogen causes a large increase in LH secretion.
36.
What occurs in the uterus during the ovarian follicular phase?
menstruation
thickening of the endometrium.
uterine proliferative phase
Correct answer:
All of the above occur.
Incorrect answer. All the events listed occur during the ovarian follicular phase.
37.
The third phase of the uterine cycle is the ______ phase.
proliferative
menstruation
Correct answer:
secretory
Correct answer. The third phase of the uterine (mensus) cycle is the secretory phase.
38.
The longest part of the ovarian cycle occurs after ovulation and is called the _____ phase.
secretory
follicular
Correct answer:
luteal
proliferative
Incorrect answer. The longest part of the ovarian cycle occurs after ovulation and is called the luteal phase.
39.
Which hormone is produced in higher amounts during the ovarian luteal phase?
LH
Correct answer:
progesterone
estrogen
FSH
Correct answer. Progesterone is produced in higher amounts during the ovarian luteal phase.
40.
When is the level of estrogen the highest?
When the corpus luteum is forming.
Correct answer:
When the follicle is largest.
When the uterus is thickest.
Incorrect answer. The highest estrogen level occurs when the follicle is largest.
41.
The flow of blood and tissues passing out of the vagina during the woman's period is called _______ .
ovulation
PMS
proliferative phase
Correct answer:
mensus
Correct answer. Blood and tissue that flow during the woman's period is called mensus.
42.
Which of the following is NOT an ovarian cycle phase?
follicular
ovulation
luteal
Correct answer:
menstruation
Correct answer. Menstruation is part of the uterine cycle.
43.
Which of the following is NOT a uterine cycle phase?
menstruation
Correct answer:
ovulation
proliferative
secretory
Correct answer. Ovulation is an ovarian event, though it affects the uterus.
44.
Which of the following is only produced during pregnancy?
FSH
GnRH
Correct answer:
hCG
LH
Correct answer. Human chorionic gonadotropin (hCG) is produced by the developing placenta, only during pregnancy.
45.
What is the function of human chorionic gonadotropic hormone?
promotes follicle development.
promotes corpus luteum degeneration.
Correct answer:
maintains the corpus luteum.
promotes milk production.
Correct answer. hCG maintains the corpus luteum in the ovary until the placenta produces progesterone and estrogen. (Which prevents
new follicles from maturing.)
46.
What is the time in a woman's life when the menstrual cycle ceases and no longer responds to FSH and LH?
menses
pregnancy
ovulation
Correct answer:
menopause
Correct answer. Menopause is the time in a woman's life when the menstrual cycle ceases and no longer responds to FSH and LH.
47.
Colostrum is rich in _______ .
Correct answer:
protein and antibodies
fat and antibodies
carbohydrates and antibodies
both a and c
Correct answer. Proteins and antibodies are in high concentration in colostrum.
48.
Combination hormone methods of contraception work by
Correct answer:
preventing follicle development and therefore ovulation.
washing out sperm.
blocking sperm entry.
altering the environment of the uterus so that no implantation occurs.
Correct answer.
49.
Of the natural methods of contraception, which one is most effective?
natural family planning
withdrawal
Correct answer:
abstinence
douching
Correct answer. Of the natural methods of contraception, abstinence is the most effective.
50.
Of the nonprescription methods of contraception, which one is the most effective?
spermicides
sponges
female condom
Correct answer:
male condom
Correct answer. Of the nonprescription methods of contraception, the male condom is the most effective.
51.
Of the prescription barrier methods of contraception, which one is most effective?
Correct answer:
IUDs
diaphragm
cervical cap
cervical shield
Correct answer. Of the prescription barrier methods of contraception, the IUD is the most effective.
52.
Which of the following is NOT a cause of low sperm count in males?
overheating the testes
tight clothing
smoking
anabolic steroids
Correct answer:
All of the above can cause low sperm count.
Correct answer. All choices can cause low sperm count.
53.
The presence of uterine tissue outside the uterus is called
Correct answer:
endometriosis.
infertility.
insemination.
None of the above.
Correct answer. The presence of uterine tissue outside the uterus is called endometriosis.
54.
The process of placing sperm in the vagina to assist reproduction is called
intrauterine insemination.
in vitro fertilization.
intra-cytoplasmic sperm injection.
Correct answer:
artificial insemination.
Correct answer. The process of placing sperm in the vagina to assist reproduction is called artificial insemination.
55.
Conception that occurs in the laboratory (testtube babies) is called
intrauterine insemination.
Correct answer:
invitro fertilization.
intra-cytoplasmic sperm injection.
artificial insemination.
Correct answer. Conception that occurs in the laboratory (testtube babies) is called invitro fertilization.
56.
Which of the following is an STD caused by a virus?
gonorrhea
syphilis
Correct answer:
genital warts
chlamydia
Correct answer. Genital warts is an STD caused by a virus.
57.
What is caused by Papilloma viruses in humans?
gonorrhea
Correct answer:
genital warts
genital herpes
chlamydia
Correct answer. Genital warts are caused by the human papilloma viruses (HPV).
58.
Which STD is associated with cancer of the cervix?
Correct answer:
genital warts.
genital herpes
hepatitis
gonorrhea
Correct answer. Genital warts are associated with cancer of the cervix.
59.
What STD causes blisters on the genitals and a copious discharge in women?
genital warts
Correct answer:
genital herpes
hepatitis
gonorrhea
Correct answer. Genital herpes causes blisters on the genitals and a copious discharge in women.
60.
What bacterial STD causes a thick, greenish-yellow discharge in women?
chlamydia
syphilis
Correct answer:
gonorrhea
hepatitis
Correct answer. Gonorrhea causes a thick, greenish-yellow discharge in women.
61.
Which bacterial STD has three distinct stages?
chlamydia
Correct answer:
syphilis
gonorrhea
hepatitis
Correct answer. Syphilis has three distinct stages.
62.
Which stage of syphilis is correctly matched to its description?
Correct answer:
Primary -- chancre sores
Secondary -- gummas
Tertiary - nonitchy rash
Incorrect answer. The primary stage exhibits chancre sores on the genitals. Gummas occur in the tertiary stage.