In Which of the Following Situations Is a Significant Amount

question 20

Multiple Choice

In which of the following situations is a significant amount of carboxyhemoglobin most likely to be present?

• A) A patient who is being treated with nitrites for cyanide poisoning
• B) A patient with COPD who is short of breath with an SpO₂ of 90 percent
• C) A patient found unresponsive in an apartment in which there is a gas furnace
• D) A patient who inhaled anhydrous ammonia fumes

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Definitions:

Compounds

Substances formed from the chemical combination of two or more elements, with a fixed ratio determining the composition.

Tertiary Amine

An amine in which the nitrogen atom is connected to three alkyl or aryl groups.

Compounds

Substances formed by the chemical combination of two or more elements in definite proportions and structure.

Secondary Amine

A type of amine in which a nitrogen atom is bonded to two alkyl or aryl groups and one hydrogen, playing critical roles in organic synthesis and functioning as bases.