Which of the following is the thickest layer of the heart, which is made up of muscle?
A. Epicardium
B. Myocardium
C. Endocardium
D. Pericardium
E. Pericardial cavity
B. Myocardium
The myocardium is the thickest layer of the heart and is made primarily of cardiac muscle.
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Describe two situations in which mercury may be encountered in the healthcare workplace. What steps can be taken to reduce exposure?
What will be an ideal response?
Select the appropriate HCPCS code for the following item
An oxygen and water vapor enriching system with heated delivery
Failure of the heart's primary pacemaker and the development of alternate pacemakers in the atria would MOST likely result in:
A) junctional rhythms. B) atrioventricular block. C) ventricular ectopy. D) atrial fibrillation.
What is the term for the moderate state of vascular contraction from continuous sympathetic stimulation?
a. vasomotor tone c. sensory overload b. hypercontraction d. perpetual sympathesis