NVCC PSY 230 EXAM 1 CERTIFICATION
PAPER 2026 FULL ANSWERS GRADED A+
⩥ What is fertilized ovum called? Answer: Zygote
⩥ When does zygote make first cell division? Answer: Within 36 hrs of
fertilization.
Then will divide every 12 to 15 hrs after as it moves down fallopian
tube.
⩥ What is a blastocyte? Answer: the cell that is preparing for
implantation during the germinal stage.
⩥ When does the placenta form and what is it? Answer: During germinal
stage. It is a projection from the uterus.
⩥ When is the embryonic stage? Answer: Week 3 to 8. Fastest paced
development
⩥ When are all the major organs and neural tube formed? Answer:
embryonic stage
⩥ When is the fetal stage? Answer: From the 9th week until birth
,⩥ What is the age of viability? Answer: 22-23 weeks
⩥ When is the first trimester, and what hormones are produced? Answer:
First three months. Formation of the fetus' main organs.
The body produces progesterone and the placenta produces HCG
⩥ Important changes during second trimester? Answer: Month 4-6.
~week 18 is the quickening.
⩥ What is down syndrome? Answer: 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 Answer: 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 Answer: 1) Dialation and effacement
2) Birth
3) Expulsion of placenta
, ⩥ What is an apgar score Answer: Measure of child's heart rate, muscle
tone, respiration, reflex response and color rated on 0 to 2 at 1 minute
and 5 minutes old. Apgar over 7 at 5 min is good.
⩥ What is a low birth weight baby? How do we intervene? Answer: <5
1/2 lbs. Neonatal ICU, kangaroo care
⩥ Where does the US stand on infant mortality? Answer: 46th
⩥ Benefits of breastfeeding Answer: increased mylenation, resistance to
cold and flu, higher intelligence tests
⩥ What is the purpose of crying? Answer: Communication. Peak at 1mo,
change at 4mo with the blossoming of the cortex, then starts to express
needs.
⩥ What is kangaroo care? Answer: baby wearing. helps premies grow.
⩥ Sleep stages Answer: Stage 1-4 REM. Babies immediately enter REM
and spend most of their time there.
⩥ Habituation Answer: The fact that we lose interest in a new object
after some time
PAPER 2026 FULL ANSWERS GRADED A+
⩥ What is fertilized ovum called? Answer: Zygote
⩥ When does zygote make first cell division? Answer: Within 36 hrs of
fertilization.
Then will divide every 12 to 15 hrs after as it moves down fallopian
tube.
⩥ What is a blastocyte? Answer: the cell that is preparing for
implantation during the germinal stage.
⩥ When does the placenta form and what is it? Answer: During germinal
stage. It is a projection from the uterus.
⩥ When is the embryonic stage? Answer: Week 3 to 8. Fastest paced
development
⩥ When are all the major organs and neural tube formed? Answer:
embryonic stage
⩥ When is the fetal stage? Answer: From the 9th week until birth
,⩥ What is the age of viability? Answer: 22-23 weeks
⩥ When is the first trimester, and what hormones are produced? Answer:
First three months. Formation of the fetus' main organs.
The body produces progesterone and the placenta produces HCG
⩥ Important changes during second trimester? Answer: Month 4-6.
~week 18 is the quickening.
⩥ What is down syndrome? Answer: 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 Answer: 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 Answer: 1) Dialation and effacement
2) Birth
3) Expulsion of placenta
, ⩥ What is an apgar score Answer: Measure of child's heart rate, muscle
tone, respiration, reflex response and color rated on 0 to 2 at 1 minute
and 5 minutes old. Apgar over 7 at 5 min is good.
⩥ What is a low birth weight baby? How do we intervene? Answer: <5
1/2 lbs. Neonatal ICU, kangaroo care
⩥ Where does the US stand on infant mortality? Answer: 46th
⩥ Benefits of breastfeeding Answer: increased mylenation, resistance to
cold and flu, higher intelligence tests
⩥ What is the purpose of crying? Answer: Communication. Peak at 1mo,
change at 4mo with the blossoming of the cortex, then starts to express
needs.
⩥ What is kangaroo care? Answer: baby wearing. helps premies grow.
⩥ Sleep stages Answer: Stage 1-4 REM. Babies immediately enter REM
and spend most of their time there.
⩥ Habituation Answer: The fact that we lose interest in a new object
after some time
