The symptoms of ____ are caused by progressive demyelination of nerve cells in the brain and spinal cord
a. multiple sclerosis
b. epilepsy
c. encephalitis
d. meningitis
a
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At peak levels of muscle exertion the mitochondria can supply
A) 80 percent of the energy required by the muscle B) all of the energy required by the muscle C) only about one-third of the energy required by the muscle D) only about 10 percent of the energy required by the muscle E) more than half of the energy required by the muscle
Seven pairs of ribs articulate ________ with the sternum
A) only five pairs of ribs attach to the sternum, the others remain unattached B) indirectly via attachment to the costal cartilages of ribs above C) directly via costal cartilages D) directly–the bony rib joins the bony sternum
Which type of drug would be useful in dilating the pupils for an examination of the retina?
A) alpha-1 receptor inhibitor B) beta-3 receptor mimic C) beta-1 receptor mimic D) muscarinic receptor inhibitor
Type I fibers lack:
A) mitochondria. B) speed. C) a blood supply. D) myoglobin.