Applied Neurology
One function of the thalamus is to: A. Determine whether to send information to the level of conscious awareness B. Balance and maintain eye contact C. Give orders to the cerebellum
A. Determine whether to send information to the level of conscious awareness
The principal inhibitory neurotransmitter in the brain is: A. Gamma amino butyric acid B. Triptophan C. Magnesium
A. Gamma amino butyric acid
Glycine and GABA are important neurotransmitters because of their role in A. Inhibition B. Feed forwards sensory input C. Feedback
A. Inhibition
Paresis is frequently due to: A. Ipsilateral peripheral lesions B. Brain lesions C. Lesions of the limbs
A. Ipsilateral peripheral lesions
Three elements upon which neurons depend for health include (select all that apply) A. Oxygen B. Glucose C. Bending D. Frequency of firing of their presynaptic pools
A. Oxygen B. Glucose D. Frequency of firing of their presynaptic pools
The nervous system has been identified as having 3 overlapping functions: A. Sensory input, integration, and motor response B. Hear the words, sing the song, eat the pie C. Sensory, motor, and spinal D. CNS, PNS, ANS
A. Sensory input, integration, and motor response
The internal environment of the cell has a more stable central integrative state when: A. The intra cellular polarization is more negatively charged than the extracellular B. The extracellular polarization is more negatively charged than the intracellular C. The neuron is more hypopolarized
A. The intra cellular polarization is more negatively charged than the extracellular
An example of Modulation, which is the coordination of information from many input areas, might be: A. The purkinje fibers B. The medulla C. The vagus nerve
A. The purkinje fibers
The frequency of firing of the nervous system is dependent upon and measured by: A. The sum total of all the excitatory and inhibitory influences B. The sum of the strength of the signal C. The influence of inhibition only
A. The sum total of all the excitatory and inhibitory influences
All neuronal influences originate: A. In the brain B. From the environmental stimuli C. In the nerves
B. From the environmental stimuli
Purkinje cells are also called _____ and are found connecting the _____ with the brainstem. A. Branching fibers, medulla B. Inhibitory fibers, amygdala C. Climbing fibers, cerebellum
C. Climbing fibers, cerebellum
Where would you expect to find Ruffini endings on an animal: A. The tip of the nose to detect softness B. The end of the nose to detect movement in the whiskers C. The pad of the paws to detect changes in shape
C. The pad of the paws to detect changes in shape
A healthy resting cell membrane maintains a relative charge of approximately: A. 100 degrees B. 35mV to 50mV C. -22mV to -15mV D. -65mV to -85mV
D. -65mV to -85mV
The Central Integrative State of the neuron can be best described by: A. All of the excitatory and inhibitory influences on the neuron B. Visual and spatial influences on the nervous system C. Descending excitatory and inhibitory influences from above D. All of the above
D. All of the above
We affect the animal's brain by: A. Walking into the room B. Adjusting the neck C. Petting the animal D. All of the above
D. All of the above
The efficiency of the functions of building protein within the cell, making APT and synthesizing neurotransmitters in the cell are dependent on: A. Frequency of firing of the presynaptic neuronal pools B. The amount of sensory stimulation the neuron gets C. How enriched the environment is for the animal D. All of the above are possible
D. All of the above are possible
The PNS is composed of al of the following EXCEPT: A. The ganglia B. The splanchnic nerves C. The sympathetic trunk D. The amygdala
D. The amygdala
The parts of the Central Nervous System include all of the following except: A. Pons B. Spinal cord C. Medulla D. Thoracic duct
D. Thoracic duct
The nervous system is a complex system of confusion. T/F
False
Cells must have active sodium/potassium pumps to re-polarize adequately. T/F
True
