Effects of Smoking and Nicotine

What are the tiny air sacs in the lungs called where oxygen enters the bloodstream?

• Trachea

• Cilia

• Alveoli

• Bronchi

When someone smokes, which chemical is released in the brain that makes them feel happy and relaxed?

• Epinephrine

• Cortisol

• Dopamine

• Beta-Endorphins

What happens to a smoker's blood vessels and heart rate due to nicotine?

• Blood vessels widen, and heart rate decreases.

• Blood vessels constrict, and heart rate increases.

• Blood vessels and heart rate remain unchanged.

• Blood vessels become more flexible, and heart rate decreases.

How does nicotine affect the body's immune system?

• It makes the immune system stronger and faster.

• It makes immune cells sluggish and less effective.

• It causes immune cells to multiply rapidly.

• It has no direct effect on the immune system.

What is a long-term effect of smoking that damages the air sacs in the lungs, making it hard to breathe?

• Heart attack

• Stroke

• Chronic Obstructive Pulmonary Disease (COPD)

• High blood pressure

How does smoking increase the risk of cancer?

• It makes the body produce more healthy cells.

• It introduces cancer-causing chemicals and weakens the immune system.

• It strengthens the body's ability to fight off diseases.

• It helps organs grow larger and stronger.

Why is it so difficult for people to stop smoking?

• Smoking is only physically addictive for a short time.

• Nicotine is one of the least addictive substances known.

• The psychological addiction to nicotine is very strong and linked to daily habits.

• Most people can easily quit smoking without any struggle.