Homework Answers
Regulation of muscle tone is a function of cerebellar cortex. Vermis is the region present in the cerebellum, it contains nuclei called fastigial nucleus which is responsible for regulation of muscle tone for locomotion and posture.
Premotor area and primary motor cortex are present in frontal lobe of the brain. Premotor area prepares the muscles to contract and primary motor cortex recieves input from premotor area and basal nuclei to generate impulses that travel across the spino cortical tract, then reaches the motor neurons present in muscles making the muscles to contract.
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Regulation of muscle tone is a function of the motor association (premotor) area. the basal nuclei....
I think he needs to answer this quetion by using these words 1) Describe how to reach out and scratch your nose Use the following Vocabulary words- Antagonistic muscles Central pattern generator...
I
think he needs to answer this quetion by using these words
1) Describe how to reach out and scratch your nose Use the following Vocabulary words- Antagonistic muscles Central pattern generators Corticospinal tracts Golgi tendon organs Lateral corticospinal tract Medial corticospinal tract Mirror neurons Motor program Muscle spindle Nuclei of the cerebellum Posterior parietal cortex Premotor cortex Primary motor cortex Proprioceptor Substantia nigra Supplementary motor cortex Vestibular nucleus
1) Describe how to reach out and scratch your nose Use...
3. Be able to identify motor control nuclei in myelin-stained sections from the spinal cord and...
3. Be able to identify motor control nuclei in myelin-stained sections from the spinal cord and brainstem. 4. Describe the three major functional divisions of the cerebellum, and their general functions. What part of the cerebellar cortex is represented in each? Which deep cerebellar (or brainstem) nuclei does each division use, and which descending systems does each impinge upon? 5. Describe the intrinsic circuitry of the basal ganglia (cerebral cortex to basal ganglia to thalamus to frontal cortex), including the...
Question 56(4 points) This area of the brain allows you to identify and determine what an...
Question 56(4 points) This area of the brain allows you to identify and determine what an object is by touch (such as car keys in your pocket). primary motor cortes primary somatosensory cortex somatosensory association cortex premotor cortex prefrontal cortex
Compare and contrast the functional roles of the supplementary motor area and the premotor cortex.
Compare and contrast the functional roles of the supplementary motor area and the premotor cortex.
Damage to the corticospinal tract results in: muscle paralysis on the opposite side of motor cortex...
Damage to the corticospinal tract results in: muscle paralysis on the opposite side of motor cortex if damage occurs at the level of the brain muscle paralysis on the opposite side of the spinal cord if damage occurs at the level of the spinal cord loss of touch sensation on the opposite side of motor cortex if damage occurs at the level of the brain
Which statement about motor neurons is NOT correct? motor neuron pools innervating two different muscles, such...
Which statement about motor neurons is NOT correct? motor neuron pools innervating two different muscles, such as biceps and triceps, have separate non- overlapping locations in the ventral gray matter arranged in longitudinal columns motoneurons in a motor pool are recruited (activated) in rank order according to their size, from small to large small a-motor neurons tepd to innervate a large number of thick, pale muscle fibers that generate large forces but fatigue quickly an equal synaptic current will elicit...
This region of the dichon writo intereson motor This makes up the more medial part of...
This region of the dichon writo intereson motor This makes up the more medial part of the forces This lote the sto r y processing These are stands og terrone by white matter the This area of the cou r ses This primitivelobe contains the primary actory.com This area coordiname n to added movement Part of the tegen , works with the last This area of the seconnects the causando This part of frontal lobe helps to direct de and...
220 UNIT I Physical Examination B. Motor system I. Muscles Sine, strength, tone Involuntary movements 2·Cerebellar...
220 UNIT I Physical Examination B. Motor system I. Muscles Sine, strength, tone Involuntary movements 2·Cerebellar function Rapid alternative movements Finger to finger test Finger to nose test Heel to shin test Gait Romberg test C. Sensory system 1. Spinothalamic tract Light touch 2. Posterior column tract Vibration Position (kinesthesia) Tactile discrimination Stereognosis Graphesthesia Two-point discrimination D. Reflexes Bi Tri BR PL Abd Cre Bab 0-absent, 1+-hypoactive, 2+-normal, 3+2 hyperactive, 4+-hyperactive with clonus, t -dorsiflexion, plantar flexion.
Question 3 0/0.75 pts Which of the following is LEAST involved in planning somatic motor output?...
Question 3 0/0.75 pts Which of the following is LEAST involved in planning somatic motor output? precentral gyrus cerebellum basal ganglia mesencephalon hypothalamus Question 4 0/0.75 pts The lower neuron of a somatic motor tract that synapses in the spinal cord originates in: posterior gray horns primary motor cortex lateral gray horns anterior gray horns mesencephalon
3) Which area of the human neocortex develops (reaches peak thickness) at the earliest age? a)...
3) Which area of the human neocortex develops (reaches peak thickness) at the earliest age? a) temporal association cortex b) entorhinal cortex c) Wernicke’s area d) primary motor cortex e) areas of the frontal cortex
I
think he needs to answer this quetion by using these words
1) Describe how to reach out and scratch your nose Use the following Vocabulary words- Antagonistic muscles Central pattern generators Corticospinal tracts Golgi tendon organs Lateral corticospinal tract Medial corticospinal tract Mirror neurons Motor program Muscle spindle Nuclei of the cerebellum Posterior parietal cortex Premotor cortex Primary motor cortex Proprioceptor Substantia nigra Supplementary motor cortex Vestibular nucleus
1) Describe how to reach out and scratch your nose Use...
Question 56(4 points) This area of the brain allows you to identify and determine what an object is by touch (such as car keys in your pocket). primary motor cortes primary somatosensory cortex somatosensory association cortex premotor cortex prefrontal cortex
Damage to the corticospinal tract results in: muscle paralysis on the opposite side of motor cortex if damage occurs at the level of the brain muscle paralysis on the opposite side of the spinal cord if damage occurs at the level of the spinal cord loss of touch sensation on the opposite side of motor cortex if damage occurs at the level of the brain
Which statement about motor neurons is NOT correct? motor neuron pools innervating two different muscles, such as biceps and triceps, have separate non- overlapping locations in the ventral gray matter arranged in longitudinal columns motoneurons in a motor pool are recruited (activated) in rank order according to their size, from small to large small a-motor neurons tepd to innervate a large number of thick, pale muscle fibers that generate large forces but fatigue quickly an equal synaptic current will elicit...
This region of the dichon writo intereson motor This makes up the more medial part of the forces This lote the sto r y processing These are stands og terrone by white matter the This area of the cou r ses This primitivelobe contains the primary actory.com This area coordiname n to added movement Part of the tegen , works with the last This area of the seconnects the causando This part of frontal lobe helps to direct de and...
220 UNIT I Physical Examination B. Motor system I. Muscles Sine, strength, tone Involuntary movements 2·Cerebellar function Rapid alternative movements Finger to finger test Finger to nose test Heel to shin test Gait Romberg test C. Sensory system 1. Spinothalamic tract Light touch 2. Posterior column tract Vibration Position (kinesthesia) Tactile discrimination Stereognosis Graphesthesia Two-point discrimination D. Reflexes Bi Tri BR PL Abd Cre Bab 0-absent, 1+-hypoactive, 2+-normal, 3+2 hyperactive, 4+-hyperactive with clonus, t -dorsiflexion, plantar flexion.
Question 3 0/0.75 pts Which of the following is LEAST involved in planning somatic motor output? precentral gyrus cerebellum basal ganglia mesencephalon hypothalamus Question 4 0/0.75 pts The lower neuron of a somatic motor tract that synapses in the spinal cord originates in: posterior gray horns primary motor cortex lateral gray horns anterior gray horns mesencephalon
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