Cardiac muscle cells have several similarities with skeletal muscle cells. Which of the following is not a similarity?
A. The cells are each innervated by a nerve ending.
B. The cells store calcium ions in the sarcoplasmic reticulum.
C. The cells contain sarcomeres.
D. The cells become depolarized when sodium ions enter the cytoplasm.
Answer: A. The cells are each innervated by a nerve ending.
You might also like to view...
Which region of the uterine tube captures the ovum?
A) ampulla B) anterior segment C) infundibulum D) posterior segment E) isthmus
The parathyroid glands maintain adequate levels of blood calcium. This is accomplished through ________.
A) blocking the action of growth hormone B) targeting the bone and activating osteoclasts so that calcium will be released C) antagonizing the synthesis of calcitonin D) slowing the activity of tissues that require calcium for activity
Define orthopedic surgeon
What will be an ideal response?
Most sympathetic postganglionic fibers have cell bodies in a sympathetic ganglion ____________________, also called the sympathetic _________
Fill in the blank(s) with correct word