7) After death, muscle fibers run out of ATP and calcium begins to reticulum int

Question

7) After death, muscle fibers run out of ATP and calcium begins to reticulum into the sarcoplasm. This results in a condition known leak from the sarcoplasenic A) betany B) oxygen debt. C) depolarization. D) rigor mortis. E) treppe. Stimuls Maximum tonsion 0n tet Maximum tension n treppe Time Maximum tension (in tetanus) Time Time Figure 10-2 Muscle Contractions Use Figure 10-2 to answer the following questions: 8) 8) What is the contraction in graph (d) called? A) incomplete tetanus B) twitch C) wave summation D) complete tetanus E) treppe 9) 9) During the recovery period following exercise, all of the following are true, except A) heat is generated. B) muscle fibers are unable to contract C) the muscle actively produces ATP D) oxygen is consumed at above the resting rate E) lactic acid is removed from muscle cells

Explanation / Answer

Answer is rigor Mortis. It is condition which occurs few after death starts from face then progressively involves other parts of body. Muscle cells need ATP for their relaxation which is achieved by cellular respiration but in death respiration process stop. Hence no ATP generates so muscles will be in continuous contraction.

8.answer is complete tetanus. In muscle twitch single response to single stimulus. Treppe is not a way muscles exhibit graded contraction. In tetanus muscle no longer to response to stimulus.

9. Here answer is c Musle needs ATP for their recovery. It gets ATP from cellular respiration. Rest options are true

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