What does the prefix tachy- mean?

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Multiple Choice

What does the prefix tachy- mean?

Explanation:
Tachy- means speed. It comes from a Greek word for rapid, and it shows up in terms like tachycardia (fast heart rate) and tachypnea (rapid breathing). So the idea behind the prefix is specifically to indicate something is happening quickly. The other options don’t fit because they would refer to location (hind foot) or condition like heat or across, which use different roots altogether.

Tachy- means speed. It comes from a Greek word for rapid, and it shows up in terms like tachycardia (fast heart rate) and tachypnea (rapid breathing). So the idea behind the prefix is specifically to indicate something is happening quickly. The other options don’t fit because they would refer to location (hind foot) or condition like heat or across, which use different roots altogether.

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