What are the two major types of spontaneous depolarizations displayed by self-excitable cells?
a. fast-wave and slow-wave potentials
b. membrane potentials and slow-wave potentials
c. pacemaker potentials and slow-wave potentials
d. smooth potentials and fast-wave potentials
e. cardiac potentials and fast-wave potentials
c
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In a mixture of salt water, the salt is called the ________
A) substrate B) solvent C) solute D) solution
Which of the following sensations is generated by a special sense?
a. touch b. taste c. pressure d. all of the above
According to the Frank-Starling law
the more calcium available to the heart cell, the more forcefully it will contract. B. as the volume of blood entering the heart increases, ventricular contractions become more forceful. C. the faster the heart rate, the larger the stroke volume. D. the greater the resistance from the arteries, the higher the blood pressure.
The wrist is ________ to the elbow
A) proximal B) distal C) lateral D) medial E) horizontal