Explain Why Smokers Cough to Remove Foreign Particles from Their

question 52

Multiple Choice

Explain why smokers cough to remove foreign particles from their airways.

• A) Deposits of carbon in the epiglottis obstruct expectoration of trapped particles.
• B) The cilia are paralyzed by nicotine and are unable to help in the expulsion of trapped particles.
• C) The air turbulence created by the act of coughing prevents cilia from trapping the foreign particles.
• D) An increase in the periciliary fluid by nicotine causes mucus to thicken.
• E) The presence of nicotine causes cilia to entangle and inhibits their ability to trap foreign particles.

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Definitions:

Spinal Fluid

A clear, colorless body fluid found in the brain and spine, acting as a cushion and nutrient provider for the central nervous system.

Lumbar Puncture

A medical procedure involving the insertion of a needle into the lower back to collect cerebrospinal fluid for diagnostic purposes.

Dorsal Rami

Branches of spinal nerves that innervate muscles, joints, and skin of the back.

Motor And Sensory Fibers

Nerves that carry both motor (movement-related) and sensory (sensation-related) signals between the brain, spinal cord, and the rest of the body.