KROK 1 2019 – Question 132 · KROK (Medicine) · Physiology
The dorsal root of the spinal nerve of a test animal was severed. What changes will occur in the innervation area?
- A. Decreased muscle tone
- B. Loss of sensitivity and motor function
- C. Loss of sensitivity
- D. Loss of motor function
- E. Increased muscle tone
Hint
Recall the Bell-Magendie rule and ask which direction of impulse travel is interrupted when only the dorsal root is cut.
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