The plateau phase seen during the action potential of a cardiac muscle cell is due to the
A. sodium-potassium pump.
B. opening of sodium channels.
C. continuing to have open calcium channels.
D. closure of chloride channels.
E. closing of calcium channels.
C
You might also like to view...
Most of the joints between the short bones in the ankle and wrist are
A. pivot joints. B. plane joints. C. condylar joints. D. hinge joints.
Where is the flexor carpi radialis?
a) D b) E c) F d) G e) H
In what ways are the autonomic and the somatic nervous systems different?
What will be an ideal response
If an albino (aa) mates with a person homozygous for normal pigment (AA),
A. there is a 100% probability that the child will have albinism. B. there is a 50% probability that the child will have albinism. C. there is a 100% probability that the child will have normal pigmentation. D. there is a 50% probability that the child will have normal pigmentation.