Exam 2 Flashcards
(69 cards)
Corticospinal fibers are association type fibers
False
Neurotransmitters are released at synapses and also at NMJ
True
Loss of ___ would result from a lesion of the lateral corticospinal tract?
Ipsilateral voluntary motor control
The ___ tract is concerned with intersegmental spinal reflexes?
Fasciculus proper
Which of the following structures gives rise to the lateral corticospinal tract?
Pyramidal decussation
Which of the following tracts decussates in the midbrain?
Ventral Spinocerebellar
The involuntary motor control tracts terminates mainly in lamina
7, 8, and some of 9
I’m trying to get a glass of water and my hand trembles more and more as it gets closer to the glass. What is the problem?
Lesion in the cerebellum
Sensory structures i the medulla are ____ to the sulcus laminates, but in the spinal cord they are ____
Later then dorsal
The anterior corticospinal tract ___
Crosses the midline of the spinal cord
The nerve fibers of the solitary tract ____
Modulate cardiac and respiratory function
The post spinocerenellar tract originates from the neurons located in _____
Dorsal nucleus of Clarke
The reticular formation ____
Goes everywhere and does everything
At what level doe sth pathway for pain and temperature sensation for the lower lips cross the midline?
Lumbosacral spinal cord
All the following are true of the VPL nucleus except
Project to the cingulate gyrus
Spinal cord segments ___ form the cervical enlargement
C5-T1
The greatest diameter of the lumbar enlargement is located at?
T12
The Dorsal Nucelus of Clarke is located w/in what lamina?
7
Which of the following tracts is concerned with sensation of pain and temperature?
Spinothalamic
Mossy cell fibers are primarily ___ in fxn
Excitatory
The spinocerebellum controls ____ type movement
Gross
The Pontocerebellum controls ____ type of movement
Fine
Blood drains out of the cranium through the?
Internal Jugular Vein
What artery runs with the lateral sulcus?
Middle Cerebral
