Chapter 10 Review
A person who misses a desk where she is trying to place a pencil may have dysfunction in which of the cerebellar modules? a. Cerebrocerebellum b. Paravermal spinocerebellum c. Vermal spinocerebellum d. Vestibulocerebellum
a. Cerebrocerebellum
The basal nuclei provide for coordinated movement in the limbs and dysfunction here results in ataxia. a. true b. false
a. false
In the basal nuclear circuitry, dopamine increases activity in the limb muscles. a. true b. false
a. true
The indirect basal nuclear pathway leads to increased activity in trunk muscles. a. true b. false
a. true
You are a clinician performing an exam of the motor system on your newest client, a 20-year-old male, who recently sustained an injury of his left spinal cord at thoracic level 10. Use your knowledge of the human motor system to answer the following questions. What type of disorder does your new client display? a. Ataxia due to cerebellar dysfunction b. A hypokinetic basal nuclear disorder c. A hyperkinetic basal nuclear disorder d. A lesion in the lateral corticospinal tract
b. A hypokinetic basal nuclear disorder
The uppermost lobe of the cerebellum is the ________ lobe. a. Posterior b. Anterior c. Flocculonodular d. Dorsal
b. Anterior
You are a clinician performing an exam of the motor system on your newest client, a 20-year-old male, who recently sustained an injury of his left spinal cord at thoracic level 10. Use your knowledge of the human motor system to answer the following questions. Which of the following tests might help you diagnose your new client's condition? a. A blood test searching for genetic mutation b. Imaging of the substantia nigra pars compacta c. Testing limb targeting d. Brain imaging looking for increased Huntington protein aggregation
b. Imaging of the substantia nigra pars compacta
Ataxia is defined as uncoordinated movement. a. true b. false
b. false
Place the following basal nuclei in the correct order for the flow of information through the direct pathway from its dopaminergic influence. a. globus pallidus internus b. corticospinal tract c. caudate/putamen d. substantial nigra pars compacta e. thalmas
d, c, a, e, b
You are a clinician performing an exam of the motor system on your newest client, a 20-year-old male, who recently sustained an injury of his left spinal cord at thoracic level 10. Use your knowledge of the human motor system to answer the following questions. Which of the following treatments might you prescribe to help your new client? a. Deep brain stimulation b. Treatment with levodopa, a dopamine precursor c. Physical therapy regime to practice movements d. Any of the above might be effective in this case
d. Any of the above might be effective in this case
Which cerebellar module functions to coordinate fine movement in the limbs? a. Vestibulocerebellum b. Vermal spinocerebellum c. Paravermal spinocerebellum d. Cerebrocerebellum
d. Cerebrocerebellum
Purkinje cells in the lateral hemispheres project to neurons in which of the deep cerebellar nuclei? a. Fastigial b. Globose c. Emboliform d. Dentate
d. Dentate
Which nucleus in the basal nuclei circuitry contains excitatory neurons a. Caudate b. Globus pallidus internus c. Substantia nigra pars reticulata d. Subthalamic nucleus e. Subthalamic nucleus
d. Subthalamic nucleus