What is responsible for wave summation: Reduced zone of overlap Excess ATP in the sarcoplasm between muscle...

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Medical Sciences

What is responsible for wave summation:
Reduced zone of overlap
Excess ATP in the sarcoplasm between muscle contractions
Excess calcium in the sarcoplasm between musclecontractions
Over compressed sarcomeres
Which of the following is incorrect:
Curare mediates presynaptic blockade
The motor end plate contains nicotinic receptors
Junctional folds are sarcolemma
T tubules contain voltage-gated Na+ channels
The SR membrane contains RyR, CSQ, and SERCA
Which of the following associations is incorrect
Fast-twitch fibers :Â Â Myoglobin
Type llx fibersÂ Â :Â Â Powerful/quickcontractions
Red meatÂ Â Â :Â Â Â Slow twitchfibers
â€œPay as you twitchâ€ fibersÂ Â :Â Â Relativelyfatigue resistant
Which of the following proteins does Ca2+ bind to once it isreleased from the SR:
G-actin
Tropomyosin
Nebulin
Troponin
In the knee jerk reflex, which muscle group is beinginhibited
Quadriceps
Calves
Hamstrings
Glutes

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4.3 Ratings (519 Votes)

Ans1 Excess calcium in the sarcoplasm between muscle contractions If the fibers are stimulated while a previous twitch is still occurring the second twitch will be stronger This response is called wave summation because the See Answer

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