A hydrogen ion is the same as what subatomic particle?
A) electron
B) neutron
C) proton
D) quark
E) neutrino
Answer: C
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A hormone may be
A. activated by its target cell. B. inactivated by its target cell. C. inactivated by nontarget cells. D. excreted before it has a chance to act on a target cell. E. All of the choices could be correct.
________ is a result of deficient thyroid hormone secretion in infancy.
Fill in the blank(s) with the appropriate word(s).
The mononuclear phagocytic system includes
A) monocytes, macrophages, and neutrophils. B) mast cells and megakaryocytes. C) basophils, neutrophils, and eosinophils. D) T lymphocytes and B lymphocytes.
In general, activating a slow-oxidative motor unit in a muscle will generate more tension than activating a fast-glycolytic motor unit.
Answer the following statement true (T) or false (F)