List the three stages of an action potential in a cardiac muscle cell
A) rapid depolarization, plateau, and hyperpolarization
B) plateau, repolarization, and hyperpolarization
C) slow depolarization, plateau, and hyperpolarization
D) rapid depolarization, repolarization, hyperpolarization
E) rapid depolarization, plateau, and repolarization
Answer: E
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Which of the following are true of the axial musculature?
A) It arises, but does not insert, on the axial skeleton. B) It makes up 40 percent of the body musculature. C) It stabilizes the pectoral and pelvic girdles. D) It arises on the axial skeleton. E) It arises elsewhere, but inserts on the axial skeleton.
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A. suspension B. solution C. solvent D. colloid
When multiple, possibly even conflicting signals reach a neuron, the neuron evaluates the signals and may respond or not. This property is called
A) temporal summation. B) graded potentials. C) postsynaptic integration. D) spatial summation. E) EPSPs.
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