8917065
Question 1
Question
Control of [blank_start]skeletal[blank_end] muscle can be a reflex movement, a precise [blank_start]voluntary[blank_end] movement, or an [blank_start]automatic[blank_end] movement. These all occur via a final [blank_start]common[blank_end] pathway, through a motor neuron. A motor neuron can never cause an [blank_start]inhibitory[blank_end] action.
Answer
-
skeletal
-
voluntary
-
automatic
-
common
-
inhibitory
Question 2
Question
Choose the correct statements about reflexes
Answer
-
A reflex movement is typically organised within the spinal cord.
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Reflex movement pathways have an interneuron in the brain.
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A reflex movement is a predictable, reproducible automatic response to a particular stimulus.
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Stretch reflexes and withdrawal reflexes are common examples of reflexes.
Question 3
Question
The major difference in the relay of neurons between the stretch and withdrawal reflex is that in the withdrawal reflex, a neuron in the CNS travels from the spinal cord interneuron to the brain to provide conscious sensory information.
Answer
- True
- False
Question 4
Question
The sensory information delivered during a withdrawal reflex reaches the brain at the same time as the response is concluding.
Answer
- True
- False
Question 5
Question
Choose the incorrect statement about the corticospinal(pyramidal) tract.
Answer
-
It carries efferent information.
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It crosses over in the medulla.
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There is always an interneuron.
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It controls precise movement, e.g. in the hands and feet
Question 6
Question
Choose the incorrect statement.
Answer
-
The basal ganglia permit action potentials to be propagated from the motor cortex.
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The cerebellum can modify the motor program by comparing sensory feedback to expected feedback.
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The cerebellum maintains posture.
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The procedural memory is a development of memory of motor programs/automatic movements.
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The basal ganglia assure the movement is coordinated guided by sensory feedback.
Question 7
Question
Choose the incorrect statement about the basal ganglia.
Answer
-
They act as a reward centre.
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They are involved in addictive behaviours.
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They release the hormone/neurotransmitter dopamine.
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They only perform excitatory functions.
Question 8
Question
In Parkinson's Disease, the basal nuclei do not receive [blank_start]dopamine[blank_end] and so they cannot [blank_start]inhibit[blank_end] the inhibitory functions which allow a movement to be [blank_start]initiated[blank_end].
Answer
-
dopamine
-
acetylcholine
-
inhibit
-
excite
-
initiated
-
terminated
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