Oxidation is
a) The removal of protons
b) The removal of electrons
c) The addition of protons
d) The addition of electrons
e) None of these choices
b
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Calcidiol circulates in the blood and is converted to calcitriol in the
A. kidney. B. skin. C. liver. D. bone.
Some odors cause visceral reactions, such as a gagging response to the smell of rotten food. Such responses are a result of olfactory pathways through the
A. cerebellum. B. amygdala. C. thalamus. D. hypothalamus. E. cerebrum.
Which of the following would lead to increased erythropoiesis?
A. Increased blood pressure B. Increased CO2 levels C. Increased blood pH D. Increased erythropoietin levels E. Increased environmental O2 levels
Many older individuals develop presbyopia, a condition in which ________
A) the lens loses elasticity and can no longer focus for distant vision B) the near point of accommodation becomes further away C) the lens loses elasticity and can no longer focus for distant vision, and visual acuity declines D) visual acuity declines