Exam 17: Muscle Contraction

Aerobic respiration:

Which type of muscle does not have T-tubules?

Isometric contraction is a contraction in which the tone or tension within a muscle remains the same, but the length of the muscle changes.

Each motor neuron in the motor unit is able to stimulate as many as two dozen muscle fibers.

Match each term with its corresponding description regarding the sliding-filament theory. -Compound that supplies the energy for muscle contraction

Another name for muscle cells is muscle fibers.

Define rigor mortis. Why does it occur?

The more precise the muscle movement, the greater the number of muscle fibers activated by a motor neuron.

Which of the following is not a name for a muscle cell?

T-tubules are found in all types of muscle tissue.

_____ muscle is also known as striated muscle.

Muscle contractions will continue as long as:

Treppe is a steep increase in the strength of contractions that can be seen in a series of twitch contractions.

Cramps are painful, involuntary muscle spasms.

Attempting to pick up an object too heavy to lift would result in which type of muscle contraction?

Endurance training is also known as:

Which of the following statements is incorrect regarding muscle tone?

Cardiac fibers form a continuous electrically coupled mass called a syncytium.

Myoglobin gives red muscle fibers their red color.

Match each term with its corresponding description regarding the sliding-filament theory. -Protein that directly prevents the formation of cross-bridges in the sarcomere