Graves' disease is caused by a(n):
a. virus.
b. bacterium.
c. autoimmune condition.
d. parasite.
c. autoimmune condition.
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A(n) ________ is a regional anesthesia produced by the injection of an anesthetic into the epidural space near targeted spinal nerve roots.
Fill in the blank(s) with the appropriate word(s).
Which of the following have thin walls, large lumens, an absence of smooth muscle, and are incapable of vasomotion?
A. Postcapillary venules B. Venous sinuses C. Sinusoids D. Venules E. Medium veins
The neurotransmitter used by the parasympathetic nervous system is
A. norepinephrine. B. acetylcholine. C. dopamine. D. serotonin.
Match the descriptions to the correct protein category.
1. soluble in water 2. keratin 3. disulfide bond 4. lipid carriers 5. structural components A. fibrous B. globular