Heroin Became the Drug of Choice for Many Opioid Users

question 22

Multiple Choice

Heroin became the drug of choice for many opioid users

• A)around 1900,because it could be injected.
• B)during the 1920s,because it was easier to smuggle the small amounts needed for an effective dose.
• C)during World War II,when supplies of raw opium were cut off.
• D)in the 1960s,because users believed that it was more pure than other opioids.

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Definitions:

Capillaries

Tiny blood vessels that connect arteries and veins, facilitating the exchange of water, oxygen, carbon dioxide, and other substances between blood and tissues.

Arterioles

Small branches of arteries leading into capillaries, responsible for controlling blood flow and pressure.

Phagocytic White Blood Cells

White blood cells that protect the body by ingesting harmful foreign particles, bacteria, and dead or dying cells.

White Blood Cell

Leukocyte; a blood cell with a role in housekeeping and defense. Lymphocytes are a special category of white blood cells that carry out adaptive immune responses.