Podcast
Questions and Answers
What is the function of the medullary reticulospinal tract?
What is the function of the medullary reticulospinal tract?
- Inhibitory to flexor motor neurons
- Facilitatory to extensor motor neurons (correct)
- Facilitatory to flexor motor neurons
- Inhibitory to extensor motor neurons
Which cells are found at the 2nd layer of cortical surface?
Which cells are found at the 2nd layer of cortical surface?
- Stellate cells
- Small pyramidal cells
- Pyramidal cells
- Large pyramidal cells of Betz (correct)
In a lesion at the lateral aspect of the cerebral hemisphere, which body part would experience weakness?
In a lesion at the lateral aspect of the cerebral hemisphere, which body part would experience weakness?
- Arms
- Legs (correct)
- Thigh
- Feet
In cases of slow destruction of anterior horn cells, fasciculations are seen only in patients with which type of lesion?
In cases of slow destruction of anterior horn cells, fasciculations are seen only in patients with which type of lesion?
What manifestation would a lesion in the lateral funiculus of the RIGHT cervical spinal cord affecting descending tracts produce?
What manifestation would a lesion in the lateral funiculus of the RIGHT cervical spinal cord affecting descending tracts produce?
Which is a manifestation of an Upper Motor Neuron Lesion?
Which is a manifestation of an Upper Motor Neuron Lesion?
Which is a manifestation of a Lower Motor Neuron Lesion?
Which is a manifestation of a Lower Motor Neuron Lesion?
Where would a lesion be located if a patient exhibits weakness in the face and upper extremities on the right side along with loss of pain, thermal sensation, and decreased vibratory sensation on the right side?
Where would a lesion be located if a patient exhibits weakness in the face and upper extremities on the right side along with loss of pain, thermal sensation, and decreased vibratory sensation on the right side?
In a case where a patient only exhibits symptoms related to the upper extremity but not the lower extremities, which location can be ruled out for lesions?
In a case where a patient only exhibits symptoms related to the upper extremity but not the lower extremities, which location can be ruled out for lesions?
Which vessel supplies the area of the face and upper extremities and may be occluded in cases of an embolic stroke?
Which vessel supplies the area of the face and upper extremities and may be occluded in cases of an embolic stroke?
In which part of the brain are pain, thermal sensation, and vibratory sensation lost due to a lesion?
In which part of the brain are pain, thermal sensation, and vibratory sensation lost due to a lesion?
Which tract would be implicated if a patient manifests weakness in both the upper and lower extremities on one side of the body?
Which tract would be implicated if a patient manifests weakness in both the upper and lower extremities on one side of the body?
Which vessel supplies the area responsible for sensory and motor deficits that would be expected to be on the ipsilateral side?
Which vessel supplies the area responsible for sensory and motor deficits that would be expected to be on the ipsilateral side?
Which structure would be implicated in a lesion that results in drowsiness and abnormal mental status examination?
Which structure would be implicated in a lesion that results in drowsiness and abnormal mental status examination?
If a patient exhibits signs of weakness only in the lower extremities without involvement of the upper extremities, which structure can be ruled out for lesions?
If a patient exhibits signs of weakness only in the lower extremities without involvement of the upper extremities, which structure can be ruled out for lesions?
What type of stroke would be expected if a patient exhibits symptoms of weakness in both upper and lower extremities on one side?
What type of stroke would be expected if a patient exhibits symptoms of weakness in both upper and lower extremities on one side?
If a patient experiences loss of pain, thermal sensation, and decreased vibratory sensation on one side, which structure may be affected?
If a patient experiences loss of pain, thermal sensation, and decreased vibratory sensation on one side, which structure may be affected?
