The Affinity of Hb for Carbon Monoxide (CO) Is Approximately

question 57

Multiple Choice

The affinity of Hb for carbon monoxide (CO) is approximately how many times greater than its affinity for O₂?

• A) 10 to 50 times greater
• B) 50 to 90 times greater
• C) 100 to 190 times greater
• D) 200 or greater

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Definitions:

Substance Abuse

The harmful or hazardous use of psychoactive substances, including alcohol and illicit drugs, leading to addiction or dependency.

Recreational Use

The use of substances such as drugs, alcohol, or marijuana for pleasure or leisure purposes rather than for medical reasons.

Lorazepam

A medication used to treat anxiety disorders, oftentimes acting as a sedative and muscle relaxant, part of a class of substances known as benzodiazepines.

Synergistic Effect

A phenomenon where two or more substances or actions combined produce an effect greater than the sum of their individual effects.