Child and Adolescent Learners and Learning Principles This course deals with the study of the patterns of human development especially focusing on the cognitive, biological, social, moral and emotional development of the child and adolescent learners.

1. 1. Which trimester is the most critical for fetal development?
a. first trimester c. third trimester
b. second trimester d. all are equally important
2. Which of the following prenatal periods lasts from week 3 to week 8 of development?
a. pre-embryonic period
b. embryonic period
c. fetal period
d. gestational period
3. Which of the following is (are) true in regard to the fetal stage of development?
A. It begins 8 weeks after fertilization.
B. The organ systems are mostly formed, although immature.
C. The head is disproportionally large compared to the rest of the body at the beginning of the stage.
D. All of the above
4. Cell division and differentiation first begin during the _____ stage of prenatal development.
A. placental
B. fetal
C. embryonic
d. germinal period
5. The prenatal stage during which the majority of the organ formation takes place is the _____
stage.
a. embryonic stage
b. fetal stage
c. germinal stage
6. There are ______chromosomes in a sex cell.
a. 23 c. 64
b. 46 d. 92
7. Another name for the egg or female sex cell is:
a. the sperm c. the blastocyst
b. the zygote d. the ovum
8. Some possible reasons for birth defects include:
a. heredity d. flukes

2. b. chromosome abnormalities e. all the above
c. environmental causes
9. Smoking whilst pregnant:
a. causes the baby to have lung disease
b. constricts the blood vessels in the umbilical cord
c. causes low birth weight babies
d. all the above
10. Fertilization takes place in the:
a. uterus c. cervix
b. uterine or fallopian tube d. vagina
11. The fetus grows inside the:
a. uterus c. cervix
b. uterine or fallopian tube d. vagina
12. The muscular opening to the uterus that leads to the vagina and which helps hold the
baby in is called the:
a. uterine or fallopian tube c. endometrium
b. the ovary d. cervix
13. Blood vessels that run through this tube pass nourishment, oxygen and nutrients from
the mother to the unborn child.
a. uterine or fallopian tube c. umbilical cord
b. vagina d. placenta
14. Which of the following is not a sign of pregnancy?
a. excessive energy d. tiredness
b. missed menstrual period e. all are signs of pregnancy
c. nausea
15.
a. the chorion c. the placenta
b. amniotic fluid d. the umbilical cord