The cell-to-cell contacts of the cardiac muscle fibers are called

A. cardiac discs.
B. T-tubules.
C. intercalated discs.
D. sarcoplasmic reticulum.
E. Z discs.


Answer: C

Anatomy & Physiology

You might also like to view...

When a section of the resting neuron is stimulated:

a. sodium ions rush into the cell b. sodium ions rush out of the cell c. the interior of the cell becomes slightly positive d. both A and C above

Anatomy & Physiology

The radial collateral ligament is associated with the

A) shoulder joint. B) knee joint. C) elbow joint. D) hip joint.

Anatomy & Physiology

Small molecules, such as water and many ions, cross the membrane without assistance from the cell. This movement is called ________ and requires NO energy expenditure by the cell

A) passive transport B) active transport C) facilitated diffusion D) None of the listed responses is correct.

Anatomy & Physiology

Which of the following nerves is labeled B in the diagram?

a) phrenic nerve b) axillary nerve c) intercostal nerve d) femoral nerve e) common fibular nerve

Anatomy & Physiology