complete solution–Expert Verified | Latest Questions 2025
What is tobacco primarily grown for? - For its leaves and stems.
What addictive drug is found in tobacco? - Nicotine.
How was tobacco first introduced to Western culture? - By Christopher Columbus
during his exploration of the Americas in 1492.
What purposes did the Arawak People use tobacco for? - Medicinal and religious
purposes.
When did tobacco become popular for its pleasurable effects in Europe? - In the
seventeenth century.
What significant economic impact did tobacco have in the American colonies? - It
brought much needed capital.
What invention boosted the popularity of cigarettes in the late 19th century? - A
machine that could inexpensively roll cigarettes.
What role did cigarettes play in American culture by the early 20th century? -
They became an inextricable part of American culture, with movie stars smoking
and cigarette breaks being common.
, How were cigarettes provided to U.S. soldiers during World War II? - As part of
their rations.
What medical findings emerged in the 1960s regarding tobacco use? - A link
between tobacco use and various forms of cancer.
What are the three main harmful components of tobacco? - Nicotine, tar, and
carbon monoxide.
How does nicotine affect the body as a stimulant? - It speeds up nerve activity,
increases the production of epinephrine, and raises heartbeat and blood
pressure.
What opposite effect can nicotine have on the heart rate? - It can act as a
tranquilizer, slowing the heart rate.
What are common withdrawal symptoms from nicotine? - Craving for tobacco,
headaches, anxiety, fatigue, and irritability.
What is tar and what effect does it have on the respiratory system? - Tar is a dark,
sticky substance that irritates the respiratory organs and increases mucus
production.
What are alveoli and what is their function? - Tiny sacs in the lungs responsible for
the absorption of oxygen into the bloodstream.
What happens to carbon monoxide levels in the blood when alveoli are damaged?
- Carbon monoxide levels increase while oxygen levels decrease.