Drug X interferes with the action of norepinephrine at synapses. Which of the following mechanisms would NOT explain the effects of X?
A. X inhibits synthesis of norepinephrine at the axon terminal.
B. X inhibits norepinephrine release from the terminal.
C. X blocks reuptake of norepinephrine by the terminal.
D. X is an adrenergic receptor antagonist.
E. X stimulates the catabolism of norepinephrine.
C
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A. antiseptic B. moisture C. bath D. glaze
Select the correct statement about absorption.
A) Eighty percent of ingested materials have been absorbed by the end of the large intestine. B) Carbohydrates diffuse across the villus epithelium and are then actively transported into blood capillaries. C) If intact proteins are transported across the villus epithelium, an immune response may be generated. D) Amino acid transport is linked to chloride transport.
What is the effect of increased glucagon levels on the amount of glycogen stored in the liver?
A) Increased glucagon will increase the amount of glycogen stored in the liver. B) Increased glucagon will decrease the amount of glycogen stored in the liver. C) Increased glucagon will not change the amount of glycogen stored in the liver.
The conscious state is maintained by the
A) prefrontal lobes. B) general interpretive area. C) limbic system. D) reticular activating system. E) nucleus gracilis.