What does the prefix tachy- indicate in medical terminology?

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Dive into medical terminology with The Pitt Medical Terminology Test. Enhance your learning using flashcards and multiple choice questions. Prepare for your exam confidently with detailed hints and explanations.

Multiple Choice

What does the prefix tachy- indicate in medical terminology?

Explanation:
Tachy- is a prefix that signals speed in medical terms. It comes from the Greek tachys, meaning swift, so when this prefix is attached to a system or process, it describes a rapid or fast rate. That’s why the correct meaning is fast, as in tachycardia (fast heart rate) or tachypnea (rapid breathing). The other ideas correspond to different prefixes: slow is brady-, abnormal or difficult is dys-, and above normal or excessive is hyper-. Recognizing tachy- helps you quickly interpret terms describing unusually fast physiological processes.

Tachy- is a prefix that signals speed in medical terms. It comes from the Greek tachys, meaning swift, so when this prefix is attached to a system or process, it describes a rapid or fast rate. That’s why the correct meaning is fast, as in tachycardia (fast heart rate) or tachypnea (rapid breathing). The other ideas correspond to different prefixes: slow is brady-, abnormal or difficult is dys-, and above normal or excessive is hyper-. Recognizing tachy- helps you quickly interpret terms describing unusually fast physiological processes.

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