EXSC 224 Exam 1 Questions with 100%
Correct Answers | Latest Update
James was crossing the when he was struck by a car.
When he arrived at the hospital the ER physician was able
to determine that James suffered a partial transection on
the right side of his spinal cord at T12. Would James
perceive pain in his right hand? How about his Right foot?
Justify your answers. - ✔✔T12 is located in the thoracic
region of the spinal cord that typically controls the
abdominal muscles. A partial transection on the right side
of this spinal cord would not lead to James inability to
perceive pain, temperature, or coarse touch in his right
hand or right foot. The sis due to the spinothalamic
pathway ascending on the contralateral side of the spinal
1
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, cord. However, James would lose discriminative touch for
the right foot via the dorsal column medial lemniscal
pathway, but not for the right hand. He would also lose
voluntary motor control in his right leg due to the lateral
corticospinal pathway being cut off. (partial paraplegia)
Matilda went to bed after a long day of hiking. She woke
up in the morning with a splitting headache. When she
tried to get out of bed she noticed that she had extreme
weakness in her left arm and leg. However, she could feel
the sheets on her bed. After several months of therapy,
she still had significant weakness on her left side, but also
experienced spastic paralysis which was very noticeable
in her arm. Was this an upper or lower motor neuron
injury? Where do you think the injury occurred? Justify you
answer. - ✔✔
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
Correct Answers | Latest Update
James was crossing the when he was struck by a car.
When he arrived at the hospital the ER physician was able
to determine that James suffered a partial transection on
the right side of his spinal cord at T12. Would James
perceive pain in his right hand? How about his Right foot?
Justify your answers. - ✔✔T12 is located in the thoracic
region of the spinal cord that typically controls the
abdominal muscles. A partial transection on the right side
of this spinal cord would not lead to James inability to
perceive pain, temperature, or coarse touch in his right
hand or right foot. The sis due to the spinothalamic
pathway ascending on the contralateral side of the spinal
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, cord. However, James would lose discriminative touch for
the right foot via the dorsal column medial lemniscal
pathway, but not for the right hand. He would also lose
voluntary motor control in his right leg due to the lateral
corticospinal pathway being cut off. (partial paraplegia)
Matilda went to bed after a long day of hiking. She woke
up in the morning with a splitting headache. When she
tried to get out of bed she noticed that she had extreme
weakness in her left arm and leg. However, she could feel
the sheets on her bed. After several months of therapy,
she still had significant weakness on her left side, but also
experienced spastic paralysis which was very noticeable
in her arm. Was this an upper or lower motor neuron
injury? Where do you think the injury occurred? Justify you
answer. - ✔✔
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
