What Is the Greatest Harm to the Growth of a Fetus

question 5

Multiple Choice

What is the greatest harm to the growth of a fetus whose mother smokes?

• A)High amounts of carbon monoxide pass to the fetus through the placenta.
• B)The absorption of oxygen by the fetus increases to dangerous levels.
• C)Nicotine builds up in the placenta and blocks the passage of nutrients.
• D)The gases contained in cigarette smoke contaminate the amniotic fluid.

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Definitions:

Brain Stem

The part of the brain connecting the spinal cord with the forebrain and cerebrum, controlling basic life functions.

Medulla

The lower part of the brainstem, controlling vital autonomic functions such as heart rate, breathing, and blood pressure.

Pons

A part of the brain located in the brainstem that is involved in regulating breathing, communication between different parts of the brain, and sensations such as hearing, taste, and balance.

Electroencephalogram (EEG)

A test that detects electrical activity in your brain using small, flat metal discs (electrodes) attached to the scalp.