BackChapter 20
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Terms in this set (13)
Gestation
refers to __________.
the period of development of organs and organ systems
a series of cell division that begins immediately after fertilization
the time spent in prenatal development
when male and female gametes fuse
the time spent in prenatal development
How many days after fertilization does implantation occur?
immediately (less than 1 day)
7-10 days
14 days
28 days
7-10 days
The hormone __________ appears in the maternal bloodstream soon after implantation has occurred and serves to maintain the corpus luteum.
hPL
hCG
progesterone
relaxin
hCG (human chorionic gonadotropin)
What is colostrum?
It is fecal material produced by the fetus during pregnancy.
It is the last amount of placenta and material that come out during the expulsion stage of labor.
It is the first milk produced by the end of pregnancy.
It is what the baby is covered with at birth.
It is the first milk produced by the end of pregnancy.
The aging process is called ________.
senescence
weaning
adolescence
puberty
neonate stage
senescence
What is a karotype
the entire set of chromosomes of an individual or cell
Human somatic cells have __________.
22 autosomal chromosomes and 1 sex chromosome
22 pairs of autosomal chromosomes and 1 pair of sex chromosomes
23 pairs of autosomal chromosomes
44 pairs of autosomal chromosomes and 2 pairs of sex chromosomes
22 pairs of autosomal chromosomes and 1 pair of sex chromosomes
Which of the following changes in maternal systems does NOT occur during pregnancy?
tidal volume decreases resulting in shortness of breath
the uterus undergoes a large expansion
the mammary glands increase in size
blood volume increases
tidal volume decreases resulting in shortness of breath
Detection of which hormone yields a positive result on a pregnancy test?
relaxin
placental prolactin
human chorionic gonadotropin
human placental lactogen
human chorionic gonadotropin
What is the name of the procedure in which a sample of the fluid surrounding the fetus is removed and the fetal cells contained within it are analyzed?
amniocentesis
vasectomy
chorionic villus sampling
punnett test
amniocentesis
Where are oocytes formed?
ovary
testes
uterine tubes
uterus
ovary
What vessel (or vessels) does the ductus arteriosus connect to the pulmonary trunk in order to bypass pulmonary circulation?
superior vena cava
aorta
brachiocephalic
pulmonary vein
aorta
Which of the following is NOT a primary function of the muscular system?
Move the skeleton
Synthesize vitamin D3
Help maintain body temperature
Maintain posture
Guard the body's entrances and exits
Synthesize vitaman D3