HGD 4 STUDY GUIDE WITH
CORRECT ANSWERS
Cindy is doing a presentation on prenatal development. Cindy's presentation
will focus on the following three periods, in the order of ______.
fetal, embryonic, and germinal
germinal, fetal, and embryonic
germinal, embryonic, and fetal
embryonic, germinal, and fetal - ANSWER germinal, embryonic, and fetal
During the germinal period, the first task of the zygote's outer cells is _____.
germination
implantation
differentiation
duplication - ANSWER Implantation
About a week after conception, the outer layer of the multiplying cells forms
a protective circle, or shell, that will become the _____.
placenta
umbilical cord
vernix
infant - ANSWER placents
,The germinal period ends approximately _____ after conception.
2 days
12 weeks
2 weeks
3 months - ANSWER 2 weeks
The ____ period lasts from the third week through the eighth week of
pregnancy.
germinal
fetal
embryonic
viability - ANSWER embryonic
Which of the following structures develops first during the period of the
embryo?
the primitive streak
the placenta
the neural tube
the upper arms - ANSWER the primitive streak
During the embryonic period, the neural tube will become the _____.
intestinal tract
central nervous system, brain, and spinal cord
, reproductive organs
backbone, legs, and arms - ANSWER central nervous system, brain, and
spinal cord
In the fourth week after conception, a miniscule blood vessel that will
become the _____ begins to pulsate.
lungs
heart
kidneys
stomach - ANSWER heart
Growth occurs in a _____ pattern, which means "head-to-tail."
cephalocaudal
proximodistal
neurogenesis
synaptogenesis - ANSWER cephalocaudal
Prenatally, development happens in a near-to-far pattern known as "_____."
neurogenesis
cephalocaudal
proximodistal
synaptogenesis - ANSWER proximodistal
CORRECT ANSWERS
Cindy is doing a presentation on prenatal development. Cindy's presentation
will focus on the following three periods, in the order of ______.
fetal, embryonic, and germinal
germinal, fetal, and embryonic
germinal, embryonic, and fetal
embryonic, germinal, and fetal - ANSWER germinal, embryonic, and fetal
During the germinal period, the first task of the zygote's outer cells is _____.
germination
implantation
differentiation
duplication - ANSWER Implantation
About a week after conception, the outer layer of the multiplying cells forms
a protective circle, or shell, that will become the _____.
placenta
umbilical cord
vernix
infant - ANSWER placents
,The germinal period ends approximately _____ after conception.
2 days
12 weeks
2 weeks
3 months - ANSWER 2 weeks
The ____ period lasts from the third week through the eighth week of
pregnancy.
germinal
fetal
embryonic
viability - ANSWER embryonic
Which of the following structures develops first during the period of the
embryo?
the primitive streak
the placenta
the neural tube
the upper arms - ANSWER the primitive streak
During the embryonic period, the neural tube will become the _____.
intestinal tract
central nervous system, brain, and spinal cord
, reproductive organs
backbone, legs, and arms - ANSWER central nervous system, brain, and
spinal cord
In the fourth week after conception, a miniscule blood vessel that will
become the _____ begins to pulsate.
lungs
heart
kidneys
stomach - ANSWER heart
Growth occurs in a _____ pattern, which means "head-to-tail."
cephalocaudal
proximodistal
neurogenesis
synaptogenesis - ANSWER cephalocaudal
Prenatally, development happens in a near-to-far pattern known as "_____."
neurogenesis
cephalocaudal
proximodistal
synaptogenesis - ANSWER proximodistal
