Exam 9: Muscle Tissue

The region of the sarcomere that always contains thin filaments is the

A muscle produces its highest tension when in complete__________

Since each myofibril is attached at either end of the muscle fiber, when sarcomeres shorten, the muscle fiber

When contraction occurs,

Figure 9- 1 Skeletal Muscle Fiber Use Figure 9- 1 to answer the following questions: -Receptors for acetylcholine are located on the

At rest, active sites on the actin are blocked by

A resting muscle generates most of its ATP by

The structural theory that explains how a muscle fiber contracts is called the_________ .

Which of the following best describes the term sarcomere?

A single contraction- relaxation cycle in a muscle fiber produces a_______________

Which of the following is not a function of smooth muscle tissue?

During the Cori cycle, in the liver

An infection by the bacterium Clostridium tetani can cause the disease called_________ .

Which of the following muscles would contract more forcefully?

The action potential is conducted into a skeletal muscle fiber by

Figure 9- 1 Skeletal Muscle Fiber Use Figure 9- 1 to answer the following questions: -How would an elevated level of thyroid hormone in the body affect skeletal muscles?

The region of the sarcomere containing the thick filaments is the

Figure 9- 2 Muscle Contractions Use Figure 9- 2 to answer the following questions: -Heat energy produced from muscle contraction is released by the _____system.

Communication between axons and muscle fibers occurs at specialized synapses called__________ .

The type of contraction in which the muscle fibers do not shorten is called