Inhaled Toxins

question 23

Multiple Choice

Inhaled toxins:

• A) cause damage and edema in the lungs.
• B) are immediately absorbed into the bloodstream.
• C) are eliminated by first-round metabolism.
• D) permeate the blood-brain barrier more quickly.

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Definitions:

Premature Ventricular Contractions

Early heartbeats originating from the ventricles of the heart, experienced as a palpitation.

Tricuspid Valve

A valve in the heart between the right atrium and right ventricle that prevents backflow of blood during ventricular contraction.

Mitral Valve

A valve in the heart that lies between the left atrium and left ventricle, ensuring one-directional blood flow within the heart.

Atria Contracting

The phase of the cardiac cycle where the atria of the heart contract to move blood into the ventricles.