Cardiac muscle ____.
A. is under voluntary control
B. contracts and relaxes slowly
C. is self-exciting
D. is attached to bones
E. produces peristalsis
C. is self-exciting
Cardiac muscle is self-exciting, so it does not need nerve stimulation to contract.
You might also like to view...
hazardous substance that may require proper shielding and warnings is referred to as a(n):
a. chemical waste b. bacterial endotoxins c. radioactive substance d. medical waste
Exposure to bloodborne pathogens is:
a. Preventable with the right precautions. b. An accepted part of working in health care. c. Rarely a concern. d. No concern at all.
What does the abbreviation COB stand for?
A. Cooperation of billing B. Cooperation of benefits C. Coordination of billing D. Coordination of benefits
____ in the urine is(are) a significant indicator of liver disease, such as hepatitis and cirrhosis, disease of the gallbladder, and cancer.
A. Nitrites B. Blood C. Ketones D. Bilirubin