Which of the following mechanisms is responsible for myasthenia gravis?
Group of answer choices

destruction of voltage-gated calcium channels in the pre-synaptic terminal of the motor neuron

prevention of acetylcholine release from the pre-synaptic terminal of the motor neuron

destruction of acetylcholine receptors on the post-synaptic muscle fiber
Loss of proprioception and light touch sensation on the left side of the body could be caused by which of the following?
Group of answer choices

damage to the dorsal column medial lemniscus tract in the left midbrain

damage to the dorsal column medial lemniscus tract in the right pons

damage to the dorsal column medial lemniscus tract in the right spinal cord

  
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