Homework Answers
Solution
Answer is Towards because
- Afferent neurons enter the spinal cord through the dorsal root, carrying signals from the body to the brain. Efferent neurons exit the spinal cord from the ventral root before interfacing with their target muscles.
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the spinal cord. With reflexes, an afferent pathway carries signals _____ O Away from Toward
Which type of neuron in the peripheral nervous system carries impulses away from the brain and...
Which type of neuron in the peripheral nervous system carries impulses away from the brain and spinal cord to the muscles and glands? Autonomic Afferent Sensory Efferent In nervous system communication, what happens with neurotransmitters when the action potential reaches the synaptic cleft? (Select all that apply.) They are released by presynaptic neuron vesicles. They help move the impulse across the cleft. They use the mechanism of diffusion They block the mechanism of diffusion They are absorbed into presynaptic neuron...
The spinal cord has a segmental organization, and as a result: A. Each posterior (dorsal) spinal...
The spinal cord has a segmental organization, and as a result: A. Each posterior (dorsal) spinal root innervates muscles found in the arms and legs, and this is referred to as a myotome. B. Each posterior (dorsal) spinal root carries sensory information from a specific area of skin, referred to as a dermatome. C. Efferent (motor) neurons in the posterior (dorsal) horn innervate muscles and organs from a single spinal cord segment. D. All sensory information from the periphery enters...
The primary motor cortex is not connected to the spinal cord, but instead information is passed...
The primary motor cortex is not connected to the spinal cord, but instead information is passed through many different areas in the brain. Discuss how commands are generated in cortex, including different areas involved, and how they are eventually relayed to the spinal cord to control the somatic system. To answer the question select a specified outcome behavior like riding a bike or driving a car and use that to discuss the generation of required activity and the pathway, including...
Know about the somatic motor neuron. Where in the spinal cord is the cell body? How...
Know about the somatic motor neuron. Where in the spinal cord is the cell body? How many neurons are in the pathway from the spinal cord to the effector organ? What is the effector organ? What neurotransmitter is released there?
Which of the following explains the role of substance P in the pain pathway? a) It...
Which of the following explains the role of substance P in the pain pathway? a) It controls which pain signals reach the brain. b) It modifies sensory information in the spinal cord. c) It has the same function as an endogenous opioid. d) It transmits pain impulses from the brain to the spinal cord.
66. Neurons in the control motor reflexes. a. Thalamus b. Spinal cord c. Parietal lobe d....
66. Neurons in the control motor reflexes. a. Thalamus b. Spinal cord c. Parietal lobe d. Hippocampus e. B & C 67. The connects the two cerebral hemispheres. a. Limbic system b. Corpus Callosum c. Cerebellum d. Pituitary 68. Where are parasympathetic preganglionic cell bodies located? a. Cerebellum b. Brain Stem c. Dorsal root ganglia d. Skin 69. Patients with ADHD are given which type of medication: a. Anti-Seizure b. Tranquilizer c. SSRI d. Stimulant 70. The structure of peptide...
1) Below is a picture of the spinal cord at the lower thoracic level (T10). The...
1) Below is a picture of the spinal cord at the lower thoracic level (T10). The anterior spinal artery (shown by a red dot) supplies blood to most of the spinal cord outlined by the dotted black line. When this artery is completely occluded only at this level of the spinal cord, what type of sensation will be affected? Choose from below and explain why (use anatomical descriptions of the affected region of the spinal cord) in two sentences. (answer:...
.Primary spinal cord injury involves damage to vertebral or neural tissues from compression, traction, or shearing...
.Primary spinal cord injury involves damage to vertebral or neural tissues from compression, traction, or shearing forces. Secondary spinal cord injury is related to ischemia, excitotoxicity, inflammation, edema, oxidative damage, and activation of necrotic and apoptotic cell death; it begins within minutes after injury and continues for weeks. Please describe an example of both a primary and secondary spinal cord injury. and describe how the patient experienced both primary and secondary injuries. Be sure to describe symptoms, implications, and testing...
Primary spinal cord injury involves damage to vertebral or neural tissues from compression, traction, or shearing...
Primary spinal cord injury involves damage to vertebral or neural tissues from compression, traction, or shearing forces. Secondary spinal cord injury is related to ischemia, excitotoxicity, inflammation, edema, oxidative damage, and activation of necrotic and apoptotic cell death; it begins within minutes after injury and continues for weeks. Please describe an example of both a primary and secondary spinal cord injury. Some learners will use the same injury, such as a fall off of a horse, and describe how the...
Primary spinal cord injury involves damage to vertebral or neural tissues from compression, traction, or shearing...
Primary spinal cord injury involves damage to vertebral or neural tissues from compression, traction, or shearing forces. Secondary spinal cord injury is related to ischemia, excitotoxicity, inflammation, edema, oxidative damage, and activation of necrotic and apoptotic cell death; it begins within minutes after injury and continues for weeks. Please describe an example of both a primary and secondary spinal cord injury. Some learners will use the same injury, such as a fall off of a horse, and describe how the...
Which type of neuron in the peripheral nervous system carries impulses away from the brain and spinal cord to the muscles and glands? Autonomic Afferent Sensory Efferent In nervous system communication, what happens with neurotransmitters when the action potential reaches the synaptic cleft? (Select all that apply.) They are released by presynaptic neuron vesicles. They help move the impulse across the cleft. They use the mechanism of diffusion They block the mechanism of diffusion They are absorbed into presynaptic neuron...
1) Below is a picture of the spinal cord at the lower thoracic level (T10). The anterior spinal artery (shown by a red dot) supplies blood to most of the spinal cord outlined by the dotted black line. When this artery is completely occluded only at this level of the spinal cord, what type of sensation will be affected? Choose from below and explain why (use anatomical descriptions of the affected region of the spinal cord) in two sentences. (answer:...
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