The membrane potential of most neurons at rest is
A. equal to the equilibrium potential for sodium.
B. more positive than the equilibrium potential for sodium.
C. more positive than the equilibrium potential for potassium.
D. equal to the equilibrium potential for potassium.
E. slightly more negative than the equilibrium potential of potassium ion.
Answer: C
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The tetralogy of Fallot is
A. a condition in which the left and right sides of the heart are completely reversed. B. a developmental disorder that is a cardiac septal defect. C. an exceptionally fast heart rate. D. an inadequate cardiac output due to poorly contracting heart chambers. E. occlusion of the left coronary artery.
The acidity of a solution reflects the concentration of free hydrogen ions in the solution
Indicate whether the statement is true or false
A muscle with the greatest number of tendons is a ________ muscle.
Fill in the blank(s) with the appropriate word(s).
The fibers that carry the action potentials that cause skeletal muscle to contract are ________.
A. anulospiral endings B. extrafusal fibers C. alpha motor neurons D. intrafusal fibers E. gamma motor neurons