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What is second stimulus before relaxation causes increased force called?
The phenomenon you are referring to is called the second stimulus before relaxation, which causes increased force, is known as the treppe effect or the staircase phenomenon. This is characterized by the successive increase in muscle contraction force when muscle fibers are stimulated with increasing frequency.
How long before piggyback credit would effect credit score?
30 to 45 days
When a muscle is stimulated do all motor units fire why or why not?
When a muscle is stimulated not all motor units in the nerve are fired. More muscle fibers are stimulated, however and smaller nerves are stimulated before larger ones.
Does a striated muscle need to be stimulated before it contracts?
Yes
What can happen when a muscle is stimulated before the muscle can fully relax?
When a muscle is stimulated before it can fully relax, it can lead to a phenomenon called tetanus, where the muscle fibers do not have enough time to relax between contractions. This results in a sustained contraction, which can increase muscle tension and force production. If this stimulation continues, it may lead to fatigue, muscle soreness, or damage due to excessive tension and energy consumption. Ultimately, the muscle's ability to function effectively can be compromised.
Before a muscle cell can be stimulated to contract again what must occur?
Repolarization
What is post-systolic potentiation?
Because the PVC (premature ventricular contraction) comes early, there is more time before the next beat, meaning that there is more time for the heart to fill. Because of more filling, there is more initial tension on the cardiac muscle, eliciting a stronger contraction from the heart. Also, the PVC is a weak contraction, so the heart does not fully empty, and there is more residual blood in the heart even before it starts filling again.
What is the full word of tis?
'Tis is a contraction of it is. ('Twas is a contraction of it was, as in "'Twas the night before Christmas...")
A skeletal muscle generates the greatest tension when it is?
partially stretched before being stimulated
Why is it necessary for the ventricular action potential to have a relatively long absolute refractory period?
The ventricular action potential has a long refractory period so that the mechanical response of the ventricle will be discrete; one coordinated mechanical response per electrical activation sequence. Otherwise, with additional electrical stimuli, the mechanical responses would summate producing a prolonged contraction.
What are the exhibits like at the Shedd Aquarium?
The exhibits at Shedd Aquarium are marvelous. I went there before and they were so cool. I'd definitely recommend it. They have so many great sites to see.
What is the contraction for I had?
The contraction is I'd (capital i, rhymes with ride). It can also mean "I would."I'd seen him before. (I had)I'd have won the contest. (I would)
