Health Chapter 19

Immediately after fertilization, the united egg and sperm is called a

• blastocyst

• zygote

• fetus

• embryo

The blastocyst is

• a solid mass of 1,000 cells

• made up of a dozen cells

• covers the fertilized egg so that no more sperm can enter

• a sphere of cells surrounding a hollow center

From the 2 cell stage until 9 weeks after fertilization, the developing human is called

• zygote

• fetus

• embryo

• blastocyst

From the third month until birth, a developing human is called

• fetus

• embryo

• zygote

The fluid-filled bag of thin tissue that develops around the embryo soon after implantation is

• placenta

• cervix

• umbilical cord

• amniotic sac

A pregnant woman should

• see a doctor for regular x-rays

• drink alcohol in small amounts

• engage in regular physical activity

Which of the following substances is an important nutrient for pregnant women?

• mercury

• folic acid/folate

High blood pressure, swelling of wrists/ankles, & high levels of protein in the urine indicate

• gestational diabetes

• miscarriage

• preeclampsia

A miscarriage is when

• high blood pressure and protein in the urine

• an embryo or fetus dies before week 20 of pregnancy

• a blastocyst implants in the fallopian tube

The third stage of birth involves contractions of the uterus that pushes out the placenta, or

• afterbirth

• stillbirth

• premature birth