Podcast
Questions and Answers
Which condition is characterized by a decrease in muscle size due to Motor Neuron lesions?
Which condition is characterized by a decrease in muscle size due to Motor Neuron lesions?
- Spinal muscular atrophy
- Amyotrophic lateral sclerosis (correct)
- West Nile virus
- Multiple sclerosis
What specific type of upper motor lesion is produced by damage to the corticobulbar pathway?
What specific type of upper motor lesion is produced by damage to the corticobulbar pathway?
- Diabetic neuropathy
- Guillain-Barre syndrome
- Cauda equina syndrome
- Pseudobulbar palsy (correct)
What is the most common cause of acute flaccid neuromuscular paralysis?
What is the most common cause of acute flaccid neuromuscular paralysis?
- B12 deficiency
- Botulinum toxin (Botulism) (correct)
- Fredericks ataxia
- Polio myelitis
What is the function of upper motor neurons?
What is the function of upper motor neurons?
Where do the majority of upper motor neurons reside?
Where do the majority of upper motor neurons reside?
What is the role of lower motor neurons?
What is the role of lower motor neurons?
Where do some of the motor neurons that project to proximal muscles travel through before crossing over in the spinal cord?
Where do some of the motor neurons that project to proximal muscles travel through before crossing over in the spinal cord?
Which type of motor neurons are subdivided into alpha, beta, and gamma motor neurons?
Which type of motor neurons are subdivided into alpha, beta, and gamma motor neurons?
A lesion of the corticobulbar tract can result in what condition?
A lesion of the corticobulbar tract can result in what condition?
Which system is responsible for voluntary movement?
Which system is responsible for voluntary movement?
In the pyramidal system, what are the important tracts for voluntary movement?
In the pyramidal system, what are the important tracts for voluntary movement?
Which cranial nerve nuclei connect to the Nucleus Ambiguus?
Which cranial nerve nuclei connect to the Nucleus Ambiguus?
Where do upper motor neurons from the right primary motor cortex pass through on their way to target organs?
Where do upper motor neurons from the right primary motor cortex pass through on their way to target organs?
