CDEV - Chapter 3

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What negatively effects the quality of sperm?

-Exposure to radiation -Exposure to toxins

Fertilization typically takes place in the _____ _____

-fallopian -tube or tubes

The embryonic period occurs from about_____to eight weeksafter conception.

2

The germinal period of prenatal development takes place in the first _____ weeks after conception.

2

What is a teratogen?

An environmental agent that can interfere with fetal development

What occurs in the germinal stage?

Division of the zygote

Marlene is at the 7th month of her pregnancy. What stage of prenatal development is she in?

Fetal

What is the prenatal stage that lasts about seven months?

Fetal

What is the combination of mental, motor, and developmental abnormalities affecting the offspring of some women who drink heavily called?

Fetal alcohol syndrome

What prenatal stage is characterized by rapid cell division, increasing complexity and differentiation, and implantation in the wall of the uterus?

Germinal

Eating raw meat or being unsafe with cat feces puts a pregnant woman at risk of contracting what disease?

Toxoplasmosis

A woman who is obese risks having a baby that has to be delivered by _____ section.

cesarean

Melinda is three weeks pregnant. The developing organism is in the ______ stage.

embryonic

The stage that occurs from two to eight weeks after conception is known as the

embryonic stage.

The prenatal stage that begins about two months after conception is the _____ stage.

fetal

The period of prenatal development that takes place in the first two weeks after conception is known as the

germinal stage.


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