ANAT 321 - 2007
PRACTICE MIDTERM EXAM
Indicate the correct statement(s) for each question below as follows:
1. If A, B, and C are correct
2. If only A and C are correct
3. If only B and D are correct
4. If only D is correct
1. Dorsal root ganglion cells that innervate muscle spindles may project axons directly
A. Fasciculus gracilis at cervical levels
B. Dorsal spinocerebellar tract
C. Cuneocerebellar tract
D. Fasciculus cuneatus
2. Destruction of the left half of the spinal cord (left hemisection) at a single mid-thoracic
level will interrupt which of the following:
A. Axons conveying discriminative touch from the right toe
B. Axons conveying information to the left cerebellum
C. Axons originating in neurons in the right vestibular nuclear complex
D. Axons originating in left lumbar dorsal horns
3. Destruction of which of the following will result in diminished flexor withdrawal from
a painful stimulus applied to the left foot:
A. Right anterolateral column at a cervical level
B. Right pyramid
C. Left fasciculus gracilis at a lumbar level
D. Left Lumbar and sacral ventral roots. 4. Destruction of which of the following will result in a deficit in proprioception:
A. Nucleus gracilis
B. Rubrospinal tract
C. Fasciculus cuneatus
D. Anterolateral column
5. A neuron located in the right nucleus gracilis may:
A. Receive a direct axonal connection from a neuron located in the left lumbar dorsal
B. Receive a direct axonal connection from a neuron located in the right cervical dorsal
C. Project an axon to the left reticular formation.
D. Receive a direct axonal connection from a neuron in the left somatosensory cortex.
6. A right lumbar dorsal horn column neuron that receives an axon from a dorsal root
ganglion cell conveying pain may:
A. Project an axon directly to the right external cuneate nucleus.
B. Project an axon directly to the right thalamus.
C. Project an axon directly to right nucleus gracillis
D. Project an axon directly to the left hypothalamus.
7. An alpha motor neuron may receive a direct axonal connection from:
A. An inhibitory interneuron
B. A neuron located in Carke’s nucleus
C. A dorsal root ganglion cell.
D. A neuron that projects into the anterol