Explain why ventricular arrhythmias are so lethal

What will be an ideal response?

The ventricles provide the pumping action that keeps blood moving. When the ventricles contract rapidly and uncontrollably (fibrillation), the force of the contractions is much less, sometimes drastically less. Without adequate pumping action, the heart effectively stops and hypoxemia ensues.

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The cat continued to lick the skin on her flank area until it became ________ (reddened)

Fill in the blank(s) with correct word

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Which of these skin problems can be caused by excessive rubbing of the skin?

A. Folliculitis B. Scabies C. Psoriasis D. Pediculosis E. Dermatitis

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