How many kilometers of blood vessels and veins are in an adult's body?

Health Trivia / October 05, 2025

97,000. Microscopic capillaries comprise most of the blood vessels in the human body.

When a person says they are allergic to cats, what are they really allergic to?

Health Trivia / October 04, 2025

Dander. Dander is basically dandruff found in all cats, and is the cause of an allergy to cats.

The definition of "a large dose given all at once" best fits which medical term?

Health Trivia / October 04, 2025

Bolus. Bolus is usually larger than an ordinary pill or given intravenously.

The new food pyramid is only appropriate for people over the age of what?

Health Trivia / October 03, 2025

Two. Toddlers and infants require diets different than older children.

What kind of drug suppresses the body's immune response?

Health Trivia / October 03, 2025

Immunosuppressive. Immunosuppressive treatments are often used to prevent a body from rejecting donated organs.

Which of the following therapies uses anti-HIV medications to prevent HIV negative people from becoming infected?

Health Trivia / October 02, 2025

Pre-Exposure Prophylaxis. Human immunodeficiency virus infects the cells of the immune system, breaking down the body's ability to fend off some infections and other diseases.