Which structures are reservoirs that store acetylcholine?
A. Synaptic vesicles
B. Synaptic clefts
C. Terminal cisternae
D. Lysosomes
E. Sarcomeres
A
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_______ removes hydrogens
Fill in the blank(s) with the appropriate word(s).
Which of the following kidney processes is always active and always requires energy to occur?
A) secretion B) reabsorption C) excretion D) filtration
Which statement about CO2 is FALSE?
A) More CO2 dissolves in the blood plasma than is carried in the RBCs. B) Its concentration in the blood is decreased by hyperventilation. C) CO2 concentrations are greater in venous blood than arterial blood. D) Its accumulation in the blood is associated with a decrease in pH.
The adrenal medulla secretes norepinephrine following stimulation from the:
A) brainstem. B) diencephalon. C) hypothalamus. D) pituitary gland.