A 32-y ear-old man is found unconscious by the fire department in a roomwhere he has inhaled 0.1% carbon monoxide f or a prolonged period. Hisrespiratory rate is 42 breaths/min, but he is not cyanotic. Carbon monoxide hasincreased this patient s minute ventilation by which of the followingmechanisms?

PHARMACOLOGY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A 32-y ear-old man is found unconscious by the fire department in a roomwhere he has inhaled 0.1% carbon monoxide f or a prolonged period. Hisrespiratory rate is 42 breaths/min, but he is not cyanotic. Carbon monoxide hasincreased this patient ‘ s minute ventilation by which of the followingmechanisms?

A	Shifting the O2 hemoglobin dissociation curve to the left
B	Increasing CO2 production
C	Causing lactic acidosis
D	Decreasing Pao2

Explanation:

Detailed explanation-1: -Bronchodilators that are useful in the treatment of inhalation injury include albuterol or levalbuterol for wheezing/bronchospasm, and racemic epinephrine for stridor or retractions, typically administered every four hours [61].

Detailed explanation-2: -Smoke inhalation injury occurs from either direct thermal injury, inhalation of irritants that damage respiratory tissues, or inhalation of chemicals with systemic effects/ asphyxiants. The majority of burn victim deaths are from respiratory failure.

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