Which statement best describes the difference between cardiac and smooth muscle?
A) Cardiac muscle can generate its own electrical impulse; smooth muscle cannot
B) Cardiac muscle is able to extend; smooth muscle can only contract
C) Cardiac muscle relies on an electrical impulse to be stimulated; smooth muscle does not
D) Cardiac muscle does not need a blood supply; smooth muscle does
A) Cardiac muscle can generate its own electrical impulse; smooth muscle cannot
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If the abnormal heartbeats are erratic in nature then they are called ________
A) sinus rhythm B) fibrillation C) flutter D) asystole
A patient who makes nervous movements or who states, "My doctor says I should have surgery," probably has feelings of fear or anxiety and would benefit from _______ a. psychotherapy. b. a tranquilizer
c. a visit from the chaplain. d. an opportunity to verbalize those feelings.
The belief that participation in competitive sports lowers health care costs is
A. valid only in countries where overall working conditions are poor. B. promoted by corporate executives who have little concern for workers. C. consistently supported by data from college and pro sports in the U.S. D. challenged by research on actual consequences of sport participation.
Which type of headache causes soreness in the temples and can occur daily for weeks?
A. Migraine B. Cluster C. Tension D. Circular E. Neural