SEELEY'S ANATOMY+PHYSIOLOGY
12th Edition
ISBN: 9781260172195
Author: VanPutte
Publisher: RENT MCG
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Chapter 12.2, Problem 11AYP
Summary Introduction
To describe:
The ways in which ascending and descending pathways are related to the reflexes and other neuron functions.
Introduction:
Any change in the environmental conditions that produce an involuntary response in the body is called stimulus. The response that is produced by the body against stimuli is called reflex. The reflexes that cause the arm or leg pull away from the unfavorable stimulus are known as flexion reflex.
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Chapter 12 Solutions
SEELEY'S ANATOMY+PHYSIOLOGY
Ch. 12.1 - Prob. 1AYPCh. 12.1 - Name the meninges surrounding the spinal cord....Ch. 12.1 - What is the thecal sac? What two structures hold...Ch. 12.1 - Describe the arrangement of gray arid white matter...Ch. 12.1 - Where are the cell bodies of somatic motor and...Ch. 12.1 - What kinds of neurons are in the dorsal roots, in...Ch. 12.2 - Prob. 7AYPCh. 12.2 - Describe the operation of a gamma motor neuron.Ch. 12.2 - Prob. 9AYPCh. 12.2 - Prob. 10AYP
Ch. 12.2 - Prob. 11AYPCh. 12.3 - Prob. 12AYPCh. 12.3 - What is a dermatome? Why are dermatomes clinically...Ch. 12.3 - Prob. 14AYPCh. 12.3 - Describe the distribution of the ventral rami of...Ch. 12.3 - Prob. 16AYPCh. 12.3 - Prob. 17AYPCh. 12.3 - Prob. 18AYPCh. 12.3 - Name the five major nerves that emerge from the...Ch. 12.3 - Name the four major nerves that arise from the...Ch. 12.3 - Prob. 21AYPCh. 12.3 - Describe the structures innervated by the...Ch. 12.3 - Prob. 23AYPCh. 12 - Prob. 1RACCh. 12 - The structure that anchors the inferior end of the...Ch. 12 - Prob. 3RACCh. 12 - Given these components of a reflex arc: (1)...Ch. 12 - Prob. 5RACCh. 12 - Several of the events that occur between the time...Ch. 12 - Prob. 7RACCh. 12 - Prob. 8RACCh. 12 - Damage to the dorsal ramus of a spinal nerve...Ch. 12 - Prob. 10RACCh. 12 - A dermatome Is the area of skin supplied by a pair...Ch. 12 - Prob. 12RACCh. 12 - The skin on the posterior surface of the hand is...Ch. 12 - The scatic nerve is actually two nerves combined...Ch. 12 - Prob. 15RACCh. 12 - Describe how stimulation of a neuron that has its...Ch. 12 - Prob. 2CTCh. 12 - Prob. 3CTCh. 12 - Prob. 4CTCh. 12 - Prob. 5CTCh. 12 - Prob. 6CTCh. 12 - Prob. 7CT
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- A monosynaptic reflex is an example of (a) a convergent circuit, (b) parallel processing, (c) serial processing, (d) a reverberating circuit.arrow_forwardHow does the autonomic nervous system differ functionallyand anatomically from the somatic motor system?arrow_forwardHow is the autonomic nervous system defined?arrow_forward
- Which nervous system component belongs to its corressponding motor pathway? Nervous System Compnent Motor Pathway Cerebellum A) plan and initiate voluntary movements Spinal Cord B) refine and adjust movements Brainstem C) relay commands to most muscles below the neck Frontal Lobe D) relay commands to muscles of facial expression, eye movement, chewing, and swallowingarrow_forwardWhat areas of the brain are responsible for integrating sensory input and generating motor output?arrow_forwardDescribe the parasympathetic pathways to the (a) smooth muscles in the eye, (b) bladder, (c) small intestine.arrow_forward
- Which tracts carry impulses between gyri of the same hemisphere? Between gyri in opposite hemispheres? Between the cerebrum and thalamus, brain stem, and spinal cord?arrow_forwardWhat is the role of the cerebellum in motor functioning?arrow_forwardWhich parts of the nervous system ultimately plan and coordinate complex motor activities?arrow_forward
- (a) In the spinothalamic pathway, where are the cell bodies of the first-order neurons located? Of the third-order neurons? (b) Trace the descending pathway that is concerned with skilled voluntary movements.arrow_forwardHow do the properties of the mind, including thought, memory, learning, consciousness, and sleep, relate to the physiologic substance of the nervous system?arrow_forwardWhat are the functions of the anterolateral and dorsalcolumn/medial-lemniscal systems? Describe where theneurons of these systems cross over and synapse.arrow_forward
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