The characteristic plateau in the action potential developed during cardiac muscle contraction is:
a. caused by the removal of calcium ions from the sarcolplasmic reticulum and their transfer to the interstitial fluid outside of the cell
b. due to the opening of fast sodium channels in the sarcolemma
c. produced by the tendency of cardiac muscle fibers to repolarize very quickly
d. the result of the gradual opening of voltage gated calcium channels and the slow movement of calcium ions to the inside of the cells

answer: tell your parents first, and wait another couple of days. if it gets any worse, then you should call and ask. and you can always take pain meds if need be.

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answer:

to with mild choking in an adult or child over 1 year old: encourage them to keep coughing to try to clear the blockage. ask them to try to spit out the object if it's in their mouth. don't put your fingers in their mouth to them as they may bite you accidentally.

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answer:

there really is no point you just live your life day in and day out. following the same if not close to the same routine everyday.

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