1. What is the union of a sperm cell and an egg cell called?
Fertilization
Embryo
Implantation
Trimester

2. Which of the following nutrients helps form the nervous system of an embryo?
Calcium
Vitamin A
Folic acid
Iron

3. Exposure to which of the following may cause birth defects in the second month of pregnancy?
Lead
Mercury
Radiation
Smog

4. What is the result when a zygote implants in the fallopian tube or ovary?
Preeclampsia
Ectopic pregnancy
Miscarriage
Stillbirth

5. How many chromosomes do most human cells have?12 23 46 69

6. Where are chromosomes located?
In the DNA
In genes
In the nucleus of a cell
Outside a cell

7. What is the chemical compound that makes up genetic material?
Genes
DNA
Chromosomes
Genetic code

8. Which of the following is the time of fastest growth in a person’s life?
Infancy
Early childhood
Middle childhood
Late childhood

9. Which of the following is not a developmental task of an infant?
Begins to smile
Wants companionship
Shows strong likes
Self-confidence grows

10. Which group is more likely to be diagnosed with scoliosis?
Boys
Infants
Girls
Preschoolers

11. Which of the following can impact a child’s development?
Vision impairments
Hearing impairments
Social factors
All of the above