_________ release endogenous pyrogens in the body
a. Muscle cells
b. Pathogens
c. Platelets
d. Erythrocytes
e. Macrophages
E
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Which of the following constitutes part of the endogenous proteins that enter the digestive system?
a. plant protein b. animal protein c. digestive enzymes d. none of these
Chemicals that stimulate action potentials in postsynaptic cells are called ______
Fill in the blank(s) with the appropriate word(s).
An action potential traveling along the entire length of an axon demonstrates ________ propagation
A) relative B) saltatory C) continuous D) graded E) degraded
Large doses of certain stimulants can lead to dangerous increases in heart rates. Such a stimulant is a
A. positive inotropic agent. B. negative chronotropic agent. C. negative inotropic agent. D. positive chronotropic agent.