The ankle jerk reflex is exaggerated A. When the arm muscles are volu

1.	The ankle jerk reflex is exaggerated A. When the arm muscles are voluntarily contracted. B. Immediately after complete spinal cord transection at the cervical level. C. On the left side some months after damage to the tracts in the right internal capsule. D. In extrapyramidal system disorders such as Parkinsonism. E. When cerebellar function is lost.
Answer» A. False It is not exaggerated but contraction of arm muscles reinforces the reflex. B. False Immediately after cord transection, reflexes below the level of the lesion are lost in the stage of ‘spinal shock’. C. True Muscle tone increases following contralateral internal capsular lesions. D. False Though muscle tone is increased, tendon jerks are not exaggerated. E. False Muscle tone is low following cerebellar damage and the knee jerk ‘pendular’.

The ankle jerk reflex is exaggerated A. When the arm muscles are voluntarily contracted. B. Immediately after complete spinal cord transection at the cervical level. C. On the left side some months after damage to the tracts in the right internal capsule. D. In extrapyramidal system disorders such as Parkinsonism. E. When cerebellar function is lost.

Answer»

A. False It is not exaggerated but contraction of arm muscles reinforces the reflex.

B. False Immediately after cord transection, reflexes below the level of the lesion are lost in the stage of ‘spinal shock’.

C. True Muscle tone increases following contralateral internal capsular lesions.

D. False Though muscle tone is increased, tendon jerks are not exaggerated.

E. False Muscle tone is low following cerebellar damage and the knee jerk ‘pendular’.

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