Chapter 28 Quiz
An action potential is inevitable
Na+ channels close
K+ channels open
The interior of the cell becomes negative with respect to the outside
neuron
Cell body
Synapse
Axon
Sponges
Echinoderms
Cnidarians
Flatworms
Inhibition of urination
Inhibition of the digestive organs
Pupil constriction
Increased heart rate
A resting membrane allows much more sodium than potassium to diffuse across
The concentration of sodium is much higher outside the cell than inside
The resting potential exists because of differences in glucose concentration inside and outside the cell
The concentration of sodium is much higher inside the cell than outside
Epinephrine
Acetylcholine
Serotonin
nitrous oxide
Decreased heart rate
Increased heart rate
stimulation of the digestive organs
Pupil constriction
Autonomic nervous system
Sympathetic nervous system
Parasympathetic nervous system
Motor nervous system
Duration
Amplitude
Frequency
Strength
Synaptic node
Synaptic cleft
Gap junction
Node of Ranvier