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 choices Excitatory, increases, promoting Excitatory, increases, suppressing Inhibitory, decreases, promoting Inhibitory, decreases, suppressing Inhibitory, 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 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 choices Excitatory, increases, promoting Excitatory, increases, suppressing Inhibitory, decreases, promoting Inhibitory, decreases, suppressing Inhibitory, 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

Comprehensive Medical Terminology

4th Edition

ISBN:9781133478850

Author:Jones

Publisher:Jones

Chapter8: The Nervous System

Section: Chapter Questions

Problem C1CRE

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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 Neuro Question Dopamine input from the substantia nigra to the striatum results in which of the following? increased firing of thalamus neurons decreased firing of thalamus neurons increased firing of globus pallidus internal neurons decreased firing of globus pallidus internal neurons increased firing of globus pallidus external neurons decreased firing of globus pallidus external neurons Group of answer choices I, III and V I, IV and V II, III and V I, IV, and VI Is my reasoning correct? Dopamine from the substantia nigra: Excites the direct pathway in the striatum, leading to decreased activity in the globus pallidus internal (GPi) and increased activity in the thalamus. Inhibits the indirect pathway in the striatum, resulting in decreased activity in the globus pallidus external (GPe) and further decreasing GPi activity, which also increases thalamic activity. So, the effects are: Increased firing of thalamus neurons. Decreased firing of globus pallidus internal…
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.
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
Intro to Neuroscience Question: Most declarative (but not procedural) memories are stored in the hippocampus. Group of answer choices True False
Intro to Neuroscience Question: 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
Neuroscience Question: 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 Here is my reasoning: Please you be the judge if this is correct! α-motor neurons are organized from lateral to medial such that those found towards the medial section of the spinal cord control the distal muscles. This is inaccurate. α-motor neurons are organized from medial to lateral in the spinal cord, with those medially controlling axial…
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…
Deep brain stimulation is a potential treatment for Parkinson’s disease. Into which nucleus are the electrodes be inserted? Select all that apply Substanita nigra Subthalamus Thalamus Caudate Globus pallidus interna Globus pallidus externa Putamen
Intro to Neuroscience Question: Most declarative (but not procedural) memories are stored in the hippocampus. Group of answer choices True False Fully explain your answer choice by providing a complete explanation.
Upper motor neuron damage: Results in activation of the extensor reflex Results in activation of the fight or flight response Results in weakness that becomes spasticity Results in spasticity that becomes flaccidity
Subject: Anatomy and PhysiologyReflexes are often used for diagnosing disorders of the nervous system and locating injured tissues in the body. Describe 2 somatic reflexes and explain the reason why these reflexes can cease to function or function abnormally. Use 4-7 sentences for each. Separate your answer in paragraphs.