JBL EMT Practice Exam

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Which of the following statements regarding the hypoxic drive is correct?

100% supplemental oxygen will always cause apnea in patients with a hypoxic drive
Chronic carbon dioxide elimination often results in activation of the hypoxic drive
The hypoxic drive serves as the primary stimulus for breathing in healthy individuals
The hypoxic drive stimulates a person to breathe on the basis of low oxygen levels

The correct answer is: 100% supplemental oxygen will always cause apnea in patients with a hypoxic drive

In patients with a hypoxic drive, they rely on low oxygen levels to stimulate their breathing. Administering 100% supplemental oxygen can eliminate the hypoxic drive, leading to apnea in these patients. This is why option A is correct. Options B, C, and D are incorrect: - Chronic carbon dioxide elimination does not typically result in the activation of the hypoxic drive. - The hypoxic drive is not the primary stimulus for breathing in healthy individuals; rather, it is one of the respiratory drives alongside the hypercapnic drive. - The hypoxic drive is specifically stimulated by low levels of oxygen, not carbon dioxide.