USAHS NEUROSCIENCE EXAM 1 NEWEST
ACTUAL EXAM WITH COMPLETE
QUESTIONS AND DETAILED ANSWERS
GRADED A | BRAND NEW!!!
What kind of neuron projects from the cortex down to spinal
cord and brainstem? - ✔✔✔ Correct Answer > Upper motor
neuron
What kind of neuron is located in the anterior horn of gray
matter of psinal cord or in brainstem motor nuclei? - ✔✔✔
Correct Answer > Lower motor neruon
Where does the UMN synapse? - ✔✔✔ Correct Answer > Onto
the LMN
The cerebellum and basal ganglia are vital components to what
system? - ✔✔✔ Correct Answer > Motor system
,What 5 structures make up the majority of the cerebellum? -
✔✔✔ Correct Answer > Folia, vermis, arbor vitae, tonsils,
peduncles
(Anterior and posterior lobes)
What are the 5 gray matter structures that make up the basal
ganglia? - ✔✔✔ Correct Answer > Caudate nucleus, Putamen,
globus pallidus, subthalamic nucleus, substantia nigra
When together, what do we call the caudate nucleus and
putamen together? - ✔✔✔ Correct Answer > Striatum
When together, what do we call the putamen and globus
pallidus together? - ✔✔✔ Correct Answer > lenticular nucleus
What is the main function of the superior cerebellum? Middle
and inferior cerebellum? - ✔✔✔ Correct Answer > Superior:
mainly carriers outputs from cerebellum
Middle/Inferior: carrys inputs to cerebellum
,What 2 structures are feedback systems designed to refine
movement? - ✔✔✔ Correct Answer > Cerebellum and Basal
ganglia
The cerebellum and basal ganglia recieve major inputs from
what? - ✔✔✔ Correct Answer > Motor cortex, brainstem and sc
What is defined as a lesion of cerebellum-disorders associated
with coordination and balance? - ✔✔✔ Correct Answer >
Ataxia
What is defined as a hypokinetic movement disorder , that is
characterized by infrequent, slow and rigid movements? -
✔✔✔ Correct Answer > Parkinson's disease
Does the cerebellum and basal ganglia directly project to
LMN's? - ✔✔✔ Correct Answer > No
What is the main somatosensory pathways? - ✔✔✔ Correct
Answer > Posterior column pathways
Anterolateral pathways
, What does the posterior column pathway indicate with sensory
information? - ✔✔✔ Correct Answer > Proprioception,
vibration, sense, and fine discriminative, touch
What does the anterolateral pathway indicate in relation to
sensory information? - ✔✔✔ Correct Answer > Pain,
temperature, sense and crude touch
What is the major relay station to the sensory and motor
cortex? - ✔✔✔ Correct Answer > Thalamus
What pathway discriminates vibration and joint position? -
✔✔✔ Correct Answer > Dorsal column sensory pathway
Describe the pathway of the posterior column sensory pathway
- ✔✔✔ Correct Answer > Dorsal root --> Ipsilateral white
matter dorsal columns --> ascend to the dorsal column nuclei in
medulla --> contralateral side in thalamus --> primary
somatosensory cortex in post central gyrus
What sensory pathway senses pain and temperature? - ✔✔✔
Correct Answer > Spinothalamic pathway
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