Tobacco and the Human Body - Part 2

The video explores the effects of nicotine on the body, including its impact on body temperature, heart rhythm, and nerve cells. It discusses the psychological and social reasons for smoking, as well as the health risks associated with it, such as cancer and heart disease. The video also highlights ongoing research into the harmful effects of smoking and emphasizes the importance of individual choice in deciding whether to smoke.

What is the initial effect of nicotine on nerve cells?

• It paralyzes them immediately.

• It stimulates them first.

• It destroys them.

• It has no effect.

How does nicotine affect blood pressure?

• It stabilizes blood pressure.

• It decreases blood pressure.

• It has no effect on blood pressure.

• It increases blood pressure.

Why might doctors advise patients with peptic ulcers to avoid smoking?

• Because nicotine can cause weight gain.

• Because nicotine can worsen intestinal reactions.

• Because nicotine improves digestion.

• Because nicotine has no effect on ulcers.

What psychological factor contributes to the urge to smoke?

• A natural, inborn urge.

• A complex set of psychological causes.

• A genetic predisposition.

• A lack of social interaction.

What is a common health issue associated with smoking?

• Improved lung function.

• Decreased risk of heart disease.

• Enhanced immune response.

• Irritation of air passages.

What have scientists observed about the incidence of cancer in smokers?

• Smoking cures cancer.

• Certain substances in smoke may cause cancer.

• Smoking decreases the risk of cancer.

• There is no link between smoking and cancer.

What is a significant challenge in quitting smoking?

• The psychological urge to smoke.

• The lack of social support.

• The physical withdrawal symptoms.

• The high cost of quitting aids.