A 34-Year-Old Industry Worker Experiences Rapid-Onset Shortness of Breath, Dizziness

question 20

Multiple Choice

A 34-year-old industry worker experiences rapid-onset shortness of breath, dizziness, palpitations, and flushed skin after accidental exposure to chemical fumes.  Examination by an occupational physician shows that the patient is tachypneic and has a reddish discoloration of the skin without cyanosis.  The patient is immediately instructed to inhale amyl nitrite from the safety kit.  The success of this antidote is dependent upon its ability to convert hemoglobin into a form with increased affinity for which of the following substances?

• A)2,3-biphosphoglycerate
• B)Carbon dioxide
• C)Carbon monoxide
• D)Cyanide
• E)Iron
• F)Lead

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Definitions:

Rectangles

A four-sided flat shape where every angle is a right angle and opposite sides are parallel and equal in length.

Historical Episode

A significant event or series of events in the past that has a substantial impact on the present or future.

Circular Flow Diagram

A graphical representation depicting the flow of products, services, and financial resources in a cyclical pattern between consumers and businesses within the economy.

Systematic Thinking

An approach to problem-solving that involves breaking down complex issues into their components to understand the relationships and effects systematically.