Which of the Following Helps Explain the Increased Tension Seen

question 92

Multiple Choice

Which of the following helps explain the increased tension seen in multiple wave summation?

• A)increased motor unit recruitment
• B)increased concentration of calcium ions around the myofibrils
• C)exposure of more active sites on myosin myofilaments
• D)the breakdown of elastic elements in the cell
• E)decreased stimulus frequency

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Definitions:

Reflex Arc

A neural pathway that controls an action reflex, an automatic response to a stimulus that does not involve conscious thought.

Spinal Cord

The major bundle of nerves running down the back, encased in the spine, which transmits signals between the brain and the rest of the body.

Resting Potential

The electrical charge across the neuronal membrane when the neuron is not actively transmitting a signal, representing a stable state of readiness for activation.

Positively Charged

Having a greater number of protons than electrons, resulting in an electric charge that is positive.