Acetylcholinesterase is classified as a(n) ____
a. hormone
b. neurotransmitter
c. enzyme
d. fatty acid
e. amino acid
c
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Each hemoglobin molecule contains
A) four alpha chains. B) one alpha and one beta chain. C) four iron ions. D) one heme group. E) two heme groups.
Which of the following is NOT an effect of parathyroid hormone?
A. Increased blood phosphate levels B. Activation of vitamin D for increased intestinal absorption of calcium C. Increased reabsorption of calcium by the kidneys D. Release of calcium from bones
During periods of fasting, why is fat said to have a protein-sparing effect?
A. The body must have an adequate fat intake in order to absorb and metabolize proteins. B. The body must have an adequate protein intake in order to absorb and metabolize fats. C. The body metabolizes fats and proteins through the same metabolic pathways. D. The body oxidizes its spare protein before it depletes its fat reserves. E. The body does not oxidize its proteins unless it has consumed its fat reserves first.
The guarding reflex prevents voiding.
Answer the following statement true (T) or false (F)