WGU D220 COMPREHENSIVE TEST BANK
COMPLETE QUESTIONS AND ANSWERS
PRACTICE SOLUTION VERIFIED
◉ Germinal Period. Answer: first 14 days
fertilization
implantation of zygote
creation of blastocyst
◉ zygote. Answer: fertilized ovum
◉ blastocyst. Answer: embryo before implantation into uterine wall
◉ Embryonic Period. Answer: weeks 3-8
called embryo
some fail to chromosomal abnormalities
placenta formed
brain begins to develop at 3 weeks
◉ embryo. Answer: developing mammal following conception; first 8
weeks
, ◉ Chromosomal abnormality. Answer: occurs when a child inherits
too many or too few chromosomes
◉ Fetal Period. Answer: weeks 8+
viability about 24 weeks
◉ basis for sexual orientation. Answer: not clear
scientists are currently investigating influences of genetics, birth order
and hormones
◉ Maternal factors that can affect development of fetus. Answer: age
under 15 or over 35
teratogens
diabetes
high blood pressure
Rh factor
weight gain
stress
depresson
◉ teratogens. Answer: environmental factors that con contribute to
birth defects and include some maternal diseases, pollutants, drugs,
and alcohol
◉ Rh Disease. Answer: form of anemia caused by the Rh protein
COMPLETE QUESTIONS AND ANSWERS
PRACTICE SOLUTION VERIFIED
◉ Germinal Period. Answer: first 14 days
fertilization
implantation of zygote
creation of blastocyst
◉ zygote. Answer: fertilized ovum
◉ blastocyst. Answer: embryo before implantation into uterine wall
◉ Embryonic Period. Answer: weeks 3-8
called embryo
some fail to chromosomal abnormalities
placenta formed
brain begins to develop at 3 weeks
◉ embryo. Answer: developing mammal following conception; first 8
weeks
, ◉ Chromosomal abnormality. Answer: occurs when a child inherits
too many or too few chromosomes
◉ Fetal Period. Answer: weeks 8+
viability about 24 weeks
◉ basis for sexual orientation. Answer: not clear
scientists are currently investigating influences of genetics, birth order
and hormones
◉ Maternal factors that can affect development of fetus. Answer: age
under 15 or over 35
teratogens
diabetes
high blood pressure
Rh factor
weight gain
stress
depresson
◉ teratogens. Answer: environmental factors that con contribute to
birth defects and include some maternal diseases, pollutants, drugs,
and alcohol
◉ Rh Disease. Answer: form of anemia caused by the Rh protein