Cigarette smoke contains many ingredients. However, only two of these are able to pass through the placenta to the fetus. They are
A) nicotine and hydrocarbons.
B) nicotine and carbon monoxide.
C) carbon monoxide and hydrocarbons.
D) hydrocarbons and carbon dioxide.

Question

Quizplus · Accepted Answer

Nicotine and carbon monoxide are the two components of cigarette smoke that can pass through the placenta to the fetus. Nicotine can lead to reduced blood flow and nutrients to the fetus, while carbon monoxide can impair oxygen delivery.

Cigarette Smoke Contains Many Ingredients