Exam 10: Muscle Tissue

Which of the following statements about excitation-contraction coupling is incorrect?

In response to action potentials arriving along the transverse tubules,the sarcoplasmic reticulum releases

The series of membranous channels that surround each myofibril is the

During activities requiring aerobic endurance,

The delicate connective tissue that surrounds the skeletal muscle fibers and ties adjacent muscle fibers together is the

Which of the following is not characteristic of smooth muscle?

Cross bridge detachment is caused by ________ binding to the myosin head.

Which of the following statements about the microscopic anatomy of skeletal muscle fibers is false?

In an isotonic contraction,

During the recovery period the body's need for oxygen is increased because

The skeletal muscle complex known as the triad consists of

During anaerobic glycolysis,

Cross-bridges are portions of

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

The type of muscle fiber that is most resistant to fatigue is the ________ fiber.

The narrow space between the synaptic terminal and the muscle fiber is the

The repeating unit of a skeletal muscle fiber is the

Figure 10-2 Muscle Contractions Use Figure 10-2 to answer the following questions: -What is the contraction in graph (d)called?

At rest,active sites on the actin are blocked by

Aerobic metabolism normally provides ________ percent of the ATP demands of a resting muscle cell.