Autoimmune diseases are more common in older people
Indicate whether the statement is true or false
TRUE
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A person has a rare autoimmune disorder in which immune cells attack and destroy thymosins as soon as they are produced and secreted. What affect will this have on the immune system?
A. Macrophages will not differentiate from myeloid stem cells, so cell debris will accumulate and immune function will be impacted. B. T lymphocytes will cease maturation and immune function will be severely impacted. C. The thymus will not develop in a growing infant, so no T lymphocytes will be produced and the person will be immunocompromised. D. B lymphocytes will cease maturation and immune function will be severely impacted.
Which area of the basal nuclei is responsible for controlling appendicular muscle tone?
A) amygdaloid body B) caudate nucleus C) claustrum D) thalamus and hypothalamus E) globus pallidus
An anemia resulting from a decreased red blood cell (RBC) number causes the blood to become more viscous or thickened.
a. true b. false
A buffer will
A. have no effect on the pH of the solutions. B. enhance changes in the pH of the solutions. C. resist drastic changes in the pH of the solutions. D. make a solution more basic. E. make a solution more acidic.