NVCC PSY 230 Actual Exam
Study Guide. Graded A+. With
Questions And 100% Verified
Answers. Latest Update
When is the germinal period? - Ans✔✔-first 2 weeks after conception
What is fertilized ovum called? - Ans✔✔-Zygote
When does zygote make first cell division? - Ans✔✔-Within 36 hrs of
fertilization.
Then will divide every 12 to 15 hrs after as it moves down fallopian tube.
What is a blastocyte? - Ans✔✔-the cell that is preparing for implantation
during the germinal stage.
When does the placenta form and what is it? - Ans✔✔-During germinal stage.
It is a projection from the uterus.
When is the embryonic stage? - Ans✔✔-Week 3 to 8. Fastest paced
development
, When are all the major organs and neural tube formed? - Ans✔✔-embryonic
stage
When is the fetal stage? - Ans✔✔-From the 9th week until birth
What is the age of viability? - Ans✔✔-22-23 weeks
When is the first trimester, and what hormones are produced? - Ans✔✔-First
three months. Formation of the fetus' main organs.
The body produces progesterone and the placenta produces HCG
Important changes during second trimester? - Ans✔✔-Month 4-6.
~week 18 is the quickening.
What is down syndrome? - Ans✔✔-disorder caused by cell-division error called
nondisjunction. An extra piece of chromosome attaches to pair 21. Child is born
with 47 chromosomes instead of 46.
Single gene disorder - Ans✔✔-Genetic disorder that can be passed down as
dominant (50/50), recessive (with two carriers, 25%, with one carrier, disease
free) or sex-linked (boys 50/50 with mother carrier).
Birth stages - Ans✔✔-1) Dialation and effacement
2) Birth
3) Expulsion of placenta
Study Guide. Graded A+. With
Questions And 100% Verified
Answers. Latest Update
When is the germinal period? - Ans✔✔-first 2 weeks after conception
What is fertilized ovum called? - Ans✔✔-Zygote
When does zygote make first cell division? - Ans✔✔-Within 36 hrs of
fertilization.
Then will divide every 12 to 15 hrs after as it moves down fallopian tube.
What is a blastocyte? - Ans✔✔-the cell that is preparing for implantation
during the germinal stage.
When does the placenta form and what is it? - Ans✔✔-During germinal stage.
It is a projection from the uterus.
When is the embryonic stage? - Ans✔✔-Week 3 to 8. Fastest paced
development
, When are all the major organs and neural tube formed? - Ans✔✔-embryonic
stage
When is the fetal stage? - Ans✔✔-From the 9th week until birth
What is the age of viability? - Ans✔✔-22-23 weeks
When is the first trimester, and what hormones are produced? - Ans✔✔-First
three months. Formation of the fetus' main organs.
The body produces progesterone and the placenta produces HCG
Important changes during second trimester? - Ans✔✔-Month 4-6.
~week 18 is the quickening.
What is down syndrome? - Ans✔✔-disorder caused by cell-division error called
nondisjunction. An extra piece of chromosome attaches to pair 21. Child is born
with 47 chromosomes instead of 46.
Single gene disorder - Ans✔✔-Genetic disorder that can be passed down as
dominant (50/50), recessive (with two carriers, 25%, with one carrier, disease
free) or sex-linked (boys 50/50 with mother carrier).
Birth stages - Ans✔✔-1) Dialation and effacement
2) Birth
3) Expulsion of placenta
