Chapter 13

Question 1

Embryo

Answer 1

The stage of human gestation from the 3rd to the 8th week after conception

Question 2

Fetus

Answer 2

The stage of human gestation from the 8th week after conception until the birth of an infant

Question 3

Low birth weight

Answer 3

5 pounds 8 ounces and under

Lower adult IQ
Short stature

Question 4

Obese birthweight

Answer 4

Over 9 pounds

Neural tube defects
Heart defects

Question 5

Uterus

Answer 5

The womb, the muscular organ which the infant develops in before birth

Question 6

Placenta

Answer 6

The organ of pregnancy in which maternal blood and fetal blood circulate closely, exchanging nutrients and oxygen

Question 7

Gestation

Answer 7

About 40 weeks from conception to birth

Question 8

Amniotic sac

Answer 8

Bag of water in the uterus in which the fetus floats

Question 9

Ovum

Answer 9

The egg produced by the mother

Question 10

Zygote

Answer 10

The product of the union of ovum and sperm

Question 11

Implantation

Answer 11

State of development during the 1st two weeks after conception in which the zygote embeds itself in the wall of the uterus and begins development

Question 12

Fetus

Answer 12

After 8 weeks, the embryo is called a fetus

Question 13

Fetal period

Answer 13

Last 7 months of pregnancy

Question 14

Trimester

Answer 14

13 to 14 weeks within gestation period

Question 15

Critical period

Answer 15

A period of cell division

Question 16

Anencephaly

Answer 16

NTD, brain fails to form

Question 17

Spina bifida

Answer 17

NTD, common, gaps occur in bones of spine; spinal cord bulging and protruding through gaps