The Most Common Cause of Community Acquired Pneumonia, Streptococcus Pneumoniae

question 29

Multiple Choice

The most common cause of community acquired pneumonia, Streptococcus pneumoniae, is spread by

• A) the body's weakened immune system.
• B) microscopic droplets of fluid from the lungs that spread when a person sneezes or coughs.
• C) a failure to wash one's hands after shaking hands with a person who has been infected.
• D) cigarette smoking by the patient who contracts the infection.

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Definitions:

Epidermis

The outermost layer of skin, providing a protective barrier.

Collagen

A protein that provides structure and strength to connective tissues, such as skin, tendons, and ligaments.

Lunula

The visible part of the nail root, appearing as a whitish crescent shape at the base of the fingernail or toenail.

Epithelial

Relating to epithelium, a type of tissue that lines the outer surfaces of organs and blood vessels, as well as the inner surfaces of cavities in many internal organs.