The parasympathetic innervation to the kidney has no known effect.
Answer the following statement true (T) or false (F)
True
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In many of the elderly, leukocytes appear to be
A. decreased in number and less efficient. B. decreased in number but more efficient. C. increased in number but more efficient. D. increased in number and more efficient.
Which of the following will cause a decrease in the surface area of the respiratory membrane?
A. tuberculosis B. pneumonia C. emphysema D. All of the choices will reduce surface area of the respiratory membrane
The ventral root of a spinal nerve contains ________.
A. both sensory and motor fibers B. only afferent fibers C. a ganglion D. only sensory fibers E. only motor fibers
Describe amyotrophic lateral sclerosis (ALS)
A) ALS is a progressive disorder characterized by loss of higher-order cerebral functions and is the most common cause of senile dementia. B) ALS is a progressive degeneration of the motor neurons of the CNS, leading to muscle atrophy and eventual paralysis. C) ALS is a disease of the CNS characterized by recurrent incidents of demyelination that affects axons in the optic nerve, brain, and spinal cord. D) ALS results when the neurons of the substantia nigra are damaged or secrete less dopamine and the basal nuclei become more active causing muscle rigidity and stiffness. E) ALS is a nonprogressive loss of motor function that appears during infancy or childhood and persists throughout the person's lifetime.