 |
1 | |
Sex cells (sperm and ova) are called
|
| | A) | alleles
|
| | B) | genes
|
| | C) | gametes
|
| | D) | zygotes
|
|
|
2 | |
A normal adult male's sperm production can be affected by
|
| | A) | health
|
| | B) | work
|
| | C) | temperature
|
| | D) | all of the above
|
|
|
3 | |
A female produces immature ova in her ovaries while developing in her mother's womb. Between puberty and menopause, usually one ovum per month matures and is released. How many ova ultimately reach maturity?
|
| | A) | 40-50
|
| | B) | 400-500
|
| | C) | 400,000
|
| | D) | 400 million
|
|
|
4 | |
The principal male sex hormones are
|
| | A) | estrogen and progesterone
|
| | B) | estrogen and testosterone
|
| | C) | testosterone and androsterone
|
| | D) | testosterone and semen
|
|
|
5 | |
Sperm are produced in the man's body in winding tubules within the
|
| | A) | epididymis
|
| | B) | urethra
|
| | C) | testes
|
| | D) | fallopian tubes
|
|
|
6 | |
During ejaculation, as the sperm pass out of the man's body through the penis, secretions that fuel and protect the sperm are also released from the
|
| | A) | seminal vesicles and prostate gland
|
| | B) | androgens and prostate gland
|
| | C) | prostate gland and urethra
|
| | D) | seminal vesicles and urethra
|
|
|
7 | |
The primary female reproductive organs, the ovaries, produce mature ova and the female sex hormones
|
| | A) | estrogen and testosterone
|
| | B) | estrogen and progesterone
|
| | C) | progesterone and testosterone
|
| | D) | androsterone and progesterone
|
|
|
8 | |
The journey of a mature ovum, if not fertilized, is
|
| | A) | ovaries, oviduct, uterus, cervix, vagina, vulva
|
| | B) | ovaries, oviduct, cervix, vagina, uterus, vulva
|
| | C) | ovaries, uterus, vagina, vulva, oviduct, cervix
|
| | D) | uterus, ovaries, oviduct, cervix, vagina, vulva
|
|
|
9 | |
The optimal time for fertilization (conception) to occur within the menstrual (ovarian) cycle is
|
| | A) | at the beginning of the cycle
|
| | B) | at the middle of the cycle
|
| | C) | at the end of the cycle
|
| | D) | any time during the cycle
|
|
|
10 | |
If unfertilized, the ovum degenerates after about how much time?
|
| | A) | 24 hours
|
| | B) | 5 days
|
| | C) | 14 days
|
| | D) | 28 days
|
|
|
11 | |
Fertilization actually takes place in what female reproductive structure?
|
| | A) | ovaries
|
| | B) | oviduct (Fallopian tube)
|
| | C) | uterus
|
| | D) | vagina
|
|
|
12 | |
According to your text, the newly fertilized ovum is now called a(n)
|
| | A) | embryo
|
| | B) | fetus
|
| | C) | conceptus
|
| | D) | zygote
|
|
|
13 | |
About what percent of zygotes die shortly after fertilization?
|
| | A) | 10 percent
|
| | B) | 23 percent
|
| | C) | 33 percent
|
| | D) | 43 percent
|
|
|
14 | |
If pregnancy fails to take place, the decreasing level of hormones lead to menstruation, about ____ days after ovulation.
|
| | A) | 2
|
| | B) | 5
|
| | C) | 7
|
| | D) | 14
|
|
|
15 | |
During menstrual flow, what body structure secretes hormones into the bloodstream to "direct" another ovarian follicle to begin rapid growth?
|
| | A) | ovary
|
| | B) | pituitary gland
|
| | C) | uterus
|
| | D) | thyroid gland
|
|
|
16 | |
Which of these is not an Assisted Reproductive Technology (ART)?
|
| | A) | ZIFT
|
| | B) | GIFT
|
| | C) | PREVEN
|
| | D) | ICSI
|
|
|
17 | |
Long, threadlike structures made of protein and nucleic acid containing hereditary materials are known as _______?
|
| | A) | genomes
|
| | B) | chromosomes
|
| | C) | DNA
|
| | D) | genes
|
|
|
18 | |
A medical diagnostic procedure, used by physicians to identify hereditary defects before an infant's birth that draws fluid from the sac surrounding the fetus, is called
|
| | A) | amniocentesis
|
| | B) | ultrasonography
|
| | C) | chorionic villus biopsy
|
| | D) | fetoscopy
|
|
|
19 | |
Gametes differ from other cells in the body because they
|
| | A) | contain no chromatids
|
| | B) | contain one half the number of chromosomes that other cells have
|
| | C) | contain twice the number of genes that other cells have
|
| | D) | all of the above
|
|
|
20 | |
Your mother and father are both Bb (dominant brown, recessive blue) concerning eye color. What is the probability that you have brown eyes?
|
| | A) | 100 percent
|
| | B) | 75 percent
|
| | C) | 50 percent
|
| | D) | 25 percent
|
|
|
21 | |
The growth of the zygote and the establishment of a linkage with the support system of the mother is identified as what period?
|
| | A) | germinal
|
| | B) | embryonic
|
| | C) | fetal
|
| | D) | uterine
|
|
|
22 | |
An absolutely essential growth process that begins within a few hours of fertilization and is a division of cells into identical cells (1 to 2, 2 to 4, 4 to 8, 8 to 16, 16 to 32, etc.) is called
|
| | A) | embriosis
|
| | B) | mitosis
|
| | C) | endotosis
|
| | D) | reproduction
|
|
|
23 | |
As a result of cleavage, the zygote becomes transformed into a hollow ball of cells called the
|
| | A) | mitosis
|
| | B) | blastocyst
|
| | C) | chorion
|
| | D) | ectoderm
|
|
|
24 | |
Normally the blastocyst "digests" its way through the rich lining of the uterine cavity called the ______ and gradually burrows into the wall of the uterus.
|
| | A) | oviduct
|
| | B) | cervix
|
| | C) | endometrium
|
| | D) | vagina
|
|
|
25 | |
The internal cluster of cells that compose the blastocyst, the inner cell mass, produces the
|
| | A) | trophoblast
|
| | B) | amnion
|
| | C) | chorion
|
| | D) | embryo
|
|
|
26 | |
During prenatal growth and development, the end of the second week to the eighth week is what period? |
| | A) | germinal |
| | B) | embryonic |
| | C) | fetal |
| | D) | uterine |
|
|
27 | |
The placenta is the organ that
|
| | A) | transfers maternal nutrients to the fetus
|
| | B) | protects the fetus against infectious organisms
|
| | C) | directly connects the fetal and maternal blood supplies
|
| | D) | connects the embryo to the vaginal wall
|
|
|
28 | |
The principle that describes development as starting with the head and brain areas and moving downward is called
|
| | A) | cephalocaudal development
|
| | B) | proximodistal development
|
| | C) | teratology development
|
| | D) | progressive development
|
|
|
29 | |
In which stage during prenatal development do the organs of the fetus assume their specialized functions?
|
| | A) | germinal
|
| | B) | embryonic
|
| | C) | fetal
|
| | D) | critical
|
|
|
30 | |
During the 5th prenatal month, the mother generally begins to feel the spontaneous movements of the fetus (a sensation like a fluttering butterfly in the abdominal region) known as
|
| | A) | neuromuscular movement
|
| | B) | quickening
|
| | C) | embryonic activity
|
| | D) | prenatal movement
|
|
|
31 | |
During which month would the fetus be capable of living outside the uterus if born early?
|
| | A) | 4th
|
| | B) | 5th
|
| | C) | 6th
|
| | D) | 7th
|
|
|
32 | |
Most pregnancies end with the birth of a normal, healthy baby. However, about what percent of all conceptions result in spontaneous abortion?
|
| | A) | 0.5 to 1 percent
|
| | B) | 14 to 18 percent
|
| | C) | 5 to 10 percent
|
| | D) | 22 to 28 percent
|
|
|
33 | |
Rh-negative disorder is one in which the infant may be given intrauterine transfusion because
|
| | A) | the mother develops a fever and a slight rash
|
| | B) | the mother forms antibodies that destroy the baby's incompatible blood cells
|
| | C) | the baby is born with an abnormally low white blood cell count
|
| | D) | the baby is separated from the placenta
|
|
2003 McGraw-Hill Higher Education