How Do the Substances in Tobacco Smoke Increase Your Risk

Question

How do the substances in tobacco smoke increase your risk for stroke and heart attack?
A) They promote the production of fibrinogen.
B) They decrease platelet aggregation.
C) They decrease the probability of clot formation.
D) They decrease the risk for hypertension.

Accepted Answer

The substances in tobacco smoke promote the production of fibrinogen, which is a protein that helps in the formation of blood clots. When there is excessive fibrinogen, the blood clots can become too large and block blood vessels, leading to stroke or heart attack.