Which of the following is not a chemical buffer system?
A) bicarbonate
B) phosphate
C) nucleic acid
D) protein
C) nucleic acid
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For the repolarization phase of an SA nodal cell action potential,
A. sodium and potassium channels open. B. calcium channels open and sodium channels close. C. calcium and potassium channels close. D. calcium channels close and potassium channels open. E. sodium and chloride channels open.
Which is a characteristic of apocrine sweat glands but not eccrine sweat glands?
A) Found on the hands and feet B) Open into hair follicles C) Located in the epidermis D) Function to regulate body temperature
Glycogen is the
A. sugar found in RNA. B. major nutrient for most body cells. C. storage carbohydrate in animals. D. nondigestible plant polysaccharide. E. storage carbohydrate in plants.
Which of the following is NOT an event in the process of sensation?
a) Stimulation of sensory receptors b) Transduction of the stimulus c) Activation of effector d) Generation of impulses e) Integration of sensory input.