Answers
The demyelination and degeneration of nerve fibers characteristic
of multiple sclerosis is the result of:
decreased oligodendrocytes.
corticospinal injuries.
atherosclerotic destruction.
oligodendrocytic infection. decreased
oligodendrocytes.
A 60-year-old woman has been recently diagnosed with
multiple sclerosis, a disease in which the oligodendrocytes
of the patient's central nervous system (CNS) are
progressively destroyed. Which physiologic process
within the neurologic system is most likely be affected by
this disease process? Group of answer choices
Oxygen metabolism
Neurotransmitter synthesis
Nerve conduction
Production of cerebrospinal fluid
Nerve conduction
,A pregnant woman's most recent ultrasound is suggestive of
spina bifida, and her primary care provider has subsequently
order further diagnostic testing. The pathophysiologic
effects of this disease are due to:
Group of answer choices
malformation of the mesoderm.
abnormal closure of the neural tube.
lesions in the dorsal root ganglia.
hypertrophy of the primary vesicles.
abnormal closure of the neural tube.
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,Autonomic dysreflexia (autonomic hyperreflexia) is characterized
by:
severe spinal shock.
tachycardia and pale skin.
lack of sweat above injury level.
vasospasms and hypertension. vasospasms
and hypertension.
Which of the following disorders of neuromuscular function
typically has the most rapid onset?
Duchenne muscular dystrophy (DMD)
Guillain-Barré syndrome
, Parkinson disease
Myasthenia gravis Guillain-Barré
syndrome