NTRO TO NEUROSCIENCE Question: Both upper and lower motor neurons are involved in controlling the activity of your right bicep. Where do the cell bodies of these motor neurons live? Group of answer choices Upper motor neuron – left motor cortex; lower motor neuron – left spinal cord Upper motor neuron – left motor cortex; lower motor neuron – right spinal cord. Upper motor neuron – right motor cortex; lower motor neuron – left spinal cord. Upper motor neuron – right motor cortex; lower motor neuron – right spinal cord. both are in the left motor cortex

NTRO TO NEUROSCIENCE Question: Both upper and lower motor neurons are involved in controlling the activity of your right bicep. Where do the cell bodies of these motor neurons live? Group of answer choices Upper motor neuron – left motor cortex; lower motor neuron – left spinal cord Upper motor neuron – left motor cortex; lower motor neuron – right spinal cord. Upper motor neuron – right motor cortex; lower motor neuron – left spinal cord. Upper motor neuron – right motor cortex; lower motor neuron – right spinal cord. both are in the left motor cortex

Comprehensive Medical Terminology

4th Edition

ISBN:9781133478850

Author:Jones

Publisher:Jones

Chapter8: The Nervous System

Section: Chapter Questions

Problem E1CRE

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Neuroscience: Question: Both upper and lower motor neurons are involved in controlling the activity of your right bicep. Where do the cell bodies of these motor neurons live? Group of answer choices Upper motor neuron – left motor cortex; lower motor neuron – left spinal cord Upper motor neuron – left motor cortex; lower motor neuron – right spinal cord. Upper motor neuron – right motor cortex; lower motor neuron – left spinal cord. Upper motor neuron – right motor cortex; lower motor neuron – right spinal cord. both are in the left motor cortex
Intro to Neuro Question: The striatum has an (excitatory/inhibitory) connection to the globus pallidus external. Activation of that connection (increases/decreases) activity in the globus pallidus internal, ultimately (promoting/suppressing) movement.Group of answer choicesExcitatory, increases, promotingExcitatory, increases, suppressingInhibitory, decreases, promotingInhibitory, decreases, suppressingInhibitory, increases, suppressing Is my reasoning correct? The striatum has an inhibitory connection to the globus pallidus external (GPe). Activation of that connection decreases activity in the globus pallidus internal (GPi), ultimately promoting movement. Thus, the correct group of answer choices is: Inhibitory, decreases, promoting
Intro to Neuroscience Question: Damage to the cerebro-cerebellar pathway would be most likely to cause…. Group of answer choices Dysmetria Gait disturbances Huntington’s disease Parkinson’s disease Is this reasoning correct? The cerebro-cerebellar pathway involves connections between the cerebrum and the cerebellum. These connections play a role in the planning, initiation, and timing of movements, as well as motor learning. Given the functions associated with the cerebro-cerebellar pathway, damage to it would most likely lead to issues with the accuracy and timing of movements. Among the options provided: Dysmetria is the most likely outcome. Dysmetria refers to the inability to judge distance or range of a movement, leading to overshooting (hypermetria) or undershooting (hypometria) a target.
Intro to Neuroscience Question Explain your reasoning and why you chose that answer.: Which of the following does NOT accurately describe medium spiny neurons (MSNs)? Group of answer choices They make a small number of synapses with many GPNs and a large number of synapses with a few GPNs They are GABAergic and therefore inhibitory. They are constitutively active to tonically inhibit the thalamus. They are activated by inputs from the cortex. All of the above are true
(Max of 10 sentences only. Paragraph style only. No bullet points. Feel Free to include visuals as well.) Describe the patterns of structural organization and its functional relevance at the level of the spinal cord, the brainstem, and the cortex.
Intro to Neuroscience Question: An individual who has voluntary facial paresis has aberrations in…? Group of answer choices The ability to produce a Duchenne smile. The ability to produce an emotional smile. Both their descending pyramidal and extrapyramidal projections from motor cortex and brainstem. All of the above none of the above
Watch this video (http://openstaxcollege.org/l/neuroexam2) for an introduction to the neurological exam. Studying the neurological exam can give insight into how structure and function in the nervous system are interdependent. This is a tool both in the clinic and in the classroom, but for different reasons. In the clinic, this is a powerful but simple tool to assess a patientâ€™s neurological function. In the classroom, it is a different way to think about the nervous system. Though medical technology provides noninvasive imaging and real-time functional data, the presenter says these cannot replace the history at the core of the medical examination. What does history mean in the context of medical practice?
Intro to Neuro Question: The location of the synapses of descending cortical input to the cerebellum (the relay station) is the: Group of answer choices cerebral cortex. cerebellar cortex. medulla. pons. superior colliculus Is this correct? The location of the synapses of descending cortical input to the cerebellum, serving as a relay station, is the: pons. Cortical input to the cerebellum is relayed through the pons in the form of pontocerebellar fibers, which synapse in the pontine nuclei. From there, fibers cross over (decussate) and enter the cerebellum.
Letter and words 1) Which of the following are parts of the central nervous system? I. Nerves II. Spinal Cord III. Brain A. III only C. II and III only B. I and III only D. I , II and III 2) Which among the following is NOT a part of the brain? A. Brain Stem C. Cerebrum B. Cerebellum D. Cranium 3) How does the body react to life-threatening situations? A. The parasympathetic nervous system calms down the body. B. Fight or flight response is turned on by sympathetic nervous system. C. Brain shuts down all the body functions to conserve precious energy. D. All the nerves in the body are activated to increase chances of survival. 4) A loud bang is heard across the room. In reaction to this, people turned their heads towards the noise. Which is the stimulus in this case? A. loud bang C. room B. people D. turning of heads 5) What type of nerve connects the eyes directly to the brain? A. cranial nerve C. spinal nerve B. direct nerve D. tactile nerve 6) What organ system…
FILL IN THE BLANKS USING THE OPTIONS GIVEN: 1. When the hammer/mallet strikes the patellar tendon, the muscle fibres stretch and stimulate the sensory neurons within those fibres. A nerve impulse is generated and travels from the ______ nerve in the _______ to the spinal cord. The sensory neuron stimulates a motor neuron within the spinal cord. The motor neurons sends a nerve impulse back to the muscle causing it to contract which causes the leg to kick. Options: Sensory , motor, mixed, muscle or spinal cord
Intro to Neuro Question: Huntington’s disease causes too much ballistic movement due to which of the following reasons? Group of answer choices Loss of the inhibitory connection between the striatum and the globus pallidus external Loss of the inhibitory connection between the striatum and the globus pallidus internal Loss of the inhibitory connection between the globus pallidus external and the globus pallidus internal Increased activity of globus pallidus internal neurons Is my reasoning correct? Huntington's disease is characterized by the degeneration of neurons in the striatum, particularly those that project to the globus pallidus external (GPe) in the indirect pathway. The correct reason for too much ballistic movement in Huntington's disease is: Loss of the inhibitory connection between the striatum and the globus pallidus external. This loss weakens the indirect pathway, reducing its ability to suppress unwanted movements, leading to the hyperkinetic symptoms…
Intro to Neuroscience Q: Which of the following statements ACCURATELY describe spinal cord organization. α-motor neurons are organized from lateral to media such that those found towards the medial section of the spinal cord controls the distal muscles. Lumbar spinal cord enlargement is observed where neurons that innervate the legs and feet are located Neuronal cell bodies (somas) of neurons that innervate single muscles are only found in a single spinal cord segment. Muscles of the trunk are represented medially while muscles of arms and hands are represented laterally Group of answer choices 1, 2, 4 2, 3, 4 2, 4 4 only 1,2,3,4 Question: Both upper and lower motor neurons are involved in controlling the activity of your right bicep. Where do the cell bodies of these motor neurons live? Group of answer choices Upper motor neuron – left motor cortex; lower motor neuron – left spinal cord Upper motor neuron – left motor cortex; lower motor neuron – right spinal…