Porths Essentials of Pathophysiology Chapter 36 QUESTIONS AND ANSWERS 100 VERIFIED A GUARANTEED
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Porth's Essentials of Pathophysiology Chapter 36 QUESTIONS AND ANSWERS 100% VERIFIED A+ GUARANTEED
?, whether it involves walking, running, or precise finger movements, requires movement and maintenance of posture
The ? contains the neuronal circuits that mediate a variety of reflexes and automat...
Porth's Essentials of Pathophysiology Chapter
36 QUESTIONS AND ANSWERS 100% VERIFIED
A+ GUARANTEED
1). ?, whether it involves walking, running, or precise finger movements, requires movement and
maintenance of posture
Ans: Motor function
2). The ? contains the neuronal circuits that mediate a variety of reflexes and automatic
rhythmic movements
Ans: spinal cord
3). Most reflexes are?, meaning that they involve one or more interposed interneurons
Ans: polysynaptic
4). The medial descending system of the brain stem contribute to the control of ? by integrating
visual, vestibular, and somatosensory information
Ans: posture
5). The ? is the highest level of motor function
Ans: cortex
6). The primary ? cortex is located on the rostral surface and adjacent portions of the central
sulcus
Ans: motor
7). The ? and ? provide feedback circuits that regulate cortical and brain stem motor areas
Ans: cerebellum, basal ganglia
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, 8). Cerebellar ? are involved with the timing and coordination of movements that are in
progress and with learning of motor skills
Ans: circuits
9). The ?, which are distributed throughout the belly of a muscle, relay information about
muscle length and rate of stretch
Ans: muscle spindles
10). ? are found in muscle tendons and transmit information about muscle tension or force of
contraction at the junction of the muscle and tendon that attaches to bone
Ans: Golgi tendon organs
11). Stretch reflexes tend to be hypoactive or absent in cases of ? nerve damage or ventral horn
injury involving the test area
Ans: peripheral
12). Abnormalities in any part of the ? pathway can produce muscle weakness
Ans: motor
13). Muscular ? usually results from lmn lesions as well as diseases of the muscle themselves
Ans: atrophy
14). Any interruption of the myotatic or stretch reflex circuitry by peripheral nerve injury,
pathology of the neuromuscular junction, injury to the spinal cord, or damage to the
corticospinal system can result in disturbances of ?
Ans: muscle tone
15). Hyperactive reflexes are suggestive of a(n) ? disorder
Ans: upper motor neuron
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