Before heading to the tour de france a cyclist had a muscle biopsy in his leg. the tests revealed that the dominant muscle fibers were low in myosin atpase activity and anaerobic enzymes, high in capillary density and myoglobin content.
a.) what muscle fiber is dominant in this athlete? why?
b.) what is the primary source of atp generation in this muscle for the athlete as he steadily climbs the mountains of france?
c.) for this athlete to maintain force production, what direct change in ion concentration must occur (identify specific ion, cellular location, and if the concentration level will increase or decrease) (hint what ion directly influences fibers that allow for muscle force to occur)?
d.) what factors determines fore output in a muscle contraction, provide a brief explanation/reason to your answer?
Answers: 2
Medicine, 03.07.2019 14:10, venny23
Divide the word into word parts. define the word parts, then define the term. example: spondylolisthesis = spondyl/o vertebra, -listhesis slipping; slipping of a vertebra, forward dislocation of a vertebra. - arthroplasty - syndactylism - osteomyelitis - electromyography - ankylosis - osteoclasis
Answers: 1
Medicine, 09.07.2019 19:10, nick974
Anurse is teaching a client about nitroglycerin sublingual tablets. which of the following statements by the client indicates an understanding of the teaching? a. “this medication has a slower onset than a nitroglycerin pill that is swallowed.” b. “i should take this medication as soon as pain begins.” c. “i can crush this medication for faster relief.” d. “this medication should completely dissolve within 15 minutes.”
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Medicine, 09.07.2019 19:10, majestyic1207
After examining mohammad and ordering and reviewing the results of an ecg test, dr. williams indicates that mohammad’s heart appears to be normal. what factors might be contributing to mohammad’s episodes of tachycardia?
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