1. Which of the following is NOT

1. Which of the following is NOT a heart valve? Group of answer choices A.atria B. aortic C. atrioventricular D. bicuspid 2. The innermost layer which lines the heart chambers is called: Group of answer choices A. pericardium B. myocardium C. endocardium D. epicardium 3. The place where the electrical impulse begins in the heart is the: Group of answer choices A. Bundle of HIS B. Purkinje fibers C. atrioventricular node D. sinoatrial node 4. Select the combining form which means vessel: Group of answer choices angi/o arteri/o atri/o aort/o 5. Select the suffix which means hardening. Group of answer choices -oma -sclerosis -ia -stenosis 6. Select the prefix which means across:. Group of answer choices tetra- trans- anti- intra- SCIENCE HEALTH SCIENCE NURSING HC 101

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