4. Tissues & Histology

Striations, cylindrical cells, and multiple nuclei are observed in which type of muscle tissue?

Which of the following best describes the primary function of a muscle spindle in skeletal muscle?

In muscle contraction, calcium ions bind to which regulatory protein?

Which type of muscle fibers contain abundant mitochondria, high levels of myoglobin, and are typically red in color?

Which muscle fiber type has the highest shortening velocity?

Which muscle contracts to push blood through the circulatory system?

Which of the following structures marks the boundary between adjacent sarcomeres in skeletal muscle tissue?

Which of the following types of muscle tissue is non-striated and involuntary?

What are the functional units of contraction in a muscle fiber called?

What is the purpose of intercalated discs in cardiac muscle tissue?

The T tubules of a muscle fiber are extensions of the ______ and contain extracellular fluid.

All muscle types will respond to an electrical stimulus because all muscle cells are:

Which of the following structures are part of cardiac muscle cells?

What are intercalated disks in muscle tissue?

A single neuron and all the muscle fibers it stimulates comprise a: