Comprehensive Osteopathic Medical Licensing Examination (COMLEX USA) Practice

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What does a DTR Grade 1 indicate?

  1. Minimal response

  2. Mid range normal response

  3. Slightly hyperactive response

  4. Hyperactive w/ clonus

The correct answer is: Minimal response

A DTR (Deep Tendon Reflex) Grade 1 indicates a minimal response to a stimulus. This grading system is used to evaluate the integrity of the reflex arc and the activity of the nervous system. A Grade 1 response suggests that the reflex is present but diminished, which may indicate potential neurological issues or may simply reflect an individual's baseline reflex activity. In the context of neurology, reflexes are assessed on a scale from 0 to 4+. A Grade 1 signifies that although there is a reflex action occurring, it is not brisk or pronounced, thereby falling under the category of hypoactive reflexes. This information can provide key insights into a patient's neurological status and help guide further investigations or treatment strategies.

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