Which of the Following Is True of the Patient with a History

question 3

Multiple Choice

Which of the following is true of the patient with a history of tuberculosis?

• A) A positive result on skin testing means that the person has active TB.
• B) Most patients who become positive skin testers develop active disease.
• C) Patients with acquired immunodeficiency syndrome (AIDS) have a high incidence of tuberculosis.
• D) A diagnosis of active TB is made by a purified protein derivative (PPD) skin test.

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Definitions:

KCl

Potassium chloride, a metal halide salt composed of potassium and chlorine, used in medicine, food processing, and scientific applications.

Moles

A chemical unit of measure that denotes an amount of substance containing approximately 6.022 x 10^23 particles.

Water

A chemical compound with the formula H2O, consisting of two hydrogen atoms bonded to an oxygen atom, essential for most forms of life.

Moles

A unit of measurement used in chemistry to express amounts of a chemical substance, defined as the amount containing exactly 6.02214076×10²³ particles.