Presynaptic neurons release neurotransmitters by ______________

A) active transport.
B) exocytosis.
C) diffusion.
D) endocytosis.


B

Anatomy & Physiology

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Respiratory alkalosis can be

A. caused by anything that decreases breathing rate. B. characterized by muscle paralysis. C. compensated for by a increased secretion of bases by the kidneys. D. compensated for by a decreased respiratory rate.

Anatomy & Physiology

Fluid contained within a minor calyx is called urine

Indicate whether this statement is true or false.

Anatomy & Physiology

Which of the following does not stimulate insulin secretion?

a. elevated blood amino acid concentration. b. gastrointestinal hormones. c. a fast-food hamburger. d. starvation. e. elevated blood glucose concentration.

Anatomy & Physiology

Muscle cells have positively charged ____ ions in greater concentration outside the muscle cell than inside the cell

a. sodium b. potassium c. chloride d. calcium

Anatomy & Physiology