Approximately of the U

question 45

Multiple Choice

Approximately of the U.S. population has some degree of hearing loss.

• A) 53%
• B) 5%
• C) 22%
• D) 12%

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Definitions:

Sputum Specimen

A sample of mucus and other materials expelled from the lower respiratory tract (lungs, bronchi, trachea) for laboratory examination.

Esterase

An enzyme that catalyzes the cleavage and formation of ester bonds in various chemical processes.

White Blood Cells

Cells within the body's immune system that are involved in protecting the body against both infectious disease and foreign invaders.

Meningitis

Meningitis is an inflammation of the membranes (meninges) surrounding the brain and spinal cord, often caused by infection and requiring urgent medical attention.