Clonus is due to?
Correct Answer: Upper motor neuron damage
Description: Ans. A Upper motor neuron damageRef: Ganong, 25th ed. pg. 233Clonus is characterized by repeated rhythmic contractions of muscle subjected to sudden maintained stretch.It is Caused by* Increased Gamma motor neuron discharge* Spinal cord injury causing damage to Renshaw cell which is an inhibitory inter-neuron.Conditions in Which Clonus is seen:1. Amyotrophic lateral sclerosis2. Stroke3. Multiple sclerosis4. Spinal cord damage5. Hepatic encephalopathyClonazepam and botulinum toxin is useful in management of clonus.
Category:
Physiology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now