18 Questions
Which division of the autonomic nervous system is responsible for preparing the body for activity, such as the fight or flight response?
Sympathetic Nervous System
What type of neurotransmitter is released by cholinergic neurons in the autonomic nervous system?
Ach
Which enzyme breaks down norepinephrine (NE) in the synaptic end bulb of the neuron that released it?
MAO (Monoamine Oxidase)
What is the main function of the parasympathetic nervous system?
Rest and digest
Which part of the brain coordinates skilled voluntary muscle movements and timing of contractions involving more than 1 joint?
Cerebellum
What is the primary function of the Basal Nuclei in movement?
Planning movement
Which pathway involves the transmission of signals from the cortex to skeletal muscles?
Corticospinal Pathway
What are the consequences of the destruction of Upper Motor Neurons?
A and B
At which level of motor control are the signals directly sent to lower motor neurons for fine skilled movements?
Primary motor cortex
Which part of the brain is involved in the coordination of large muscle groups, such as maintenance of posture and locomotion?
Brainstem nuclei
What type of control combines reflex and voluntary actions, such as walking and running?
Rhythmic
Which sensory structures are involved in providing feedback for muscle control in the nervous system?
All of the above
What is the normal response when the sole of the foot is scratched?
Flexion of toes (curl under)
Which sign indicates damage to upper motor neurons?
Babinski sign
What is the common outcome of destruction of lower motor neurons?
Flaccid paralysis
Which brain region is responsible for understanding spoken or written words?
Wernicke’s area
What happens when there is damage to Broca's area?
Inability to produce sensible speech
Which virus destroys cell bodies in the ventral horn of the spinal cord?
Polio virus (poliomyelitis)
Explore the role of the cerebellum in controlling movement including planning and initiating movement, maintaining balance, coordinating muscle tone, and correcting movements. Understand how the cerebellum sends input to cortical areas and compares planned movement to actual movement with sensory input.
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