Which of the Following Events Occurs Last

question 56

Multiple Choice

Which of the following events occurs last?

• A) contraction of the diaphragm and the intercostals
• B) movement of air into the lungs
• C) firing of the inspiratory neurons in the medulla
• D) firing of the phrenic and intercostal nerves

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Definitions:

Tobacco Smoke

The smoke produced by burning tobacco products, containing a mix of harmful chemicals and carcinogens.

Respiratory Infections

Diseases caused by pathogens affecting the lungs and airways, which can interfere with breathing.

Carcinogens

Agents capable of causing cancer in living tissue by altering cellular metabolism or damaging genetic material directly.

Breathing Patterns

The rhythmic sequence of breaths, including rate and depth, which reflects the respiratory effort under different physiological and pathological conditions.