Physiology Lab Fall 2006 Stark Quiz 5


1. Name the type of circulation that flows from the heart to the lungs and back to the
heart.

pulmonary

2. Name the three ions that mostly mediate myocardial action potential and contraction.

Na+. K+, Ca2+

3. Which artery did we listen to in the arm to hear Korotkoff sounds for finding blood
pressure?

brachial

4. . The bicuspid (mitral) valve goes from where to where?

left atrium to left ventricle

5. Name the specialized fibers that rapidly transmit the action potential from the bundle branches to the ventricular myocardial cells

Purkinje

6. Name the main pacemaker of the heart.

SA (sinoatrial) node

7. We attach electrodes to the skin on both arms and the legs. Whose triangle is this?

Eindhoven's

8. In isovolumic ventricular contraction what does "iso" mean?

same

9. What units is blood pressure taken in?

mm Hg

10. . What anatomically prevents the backflow of blood in veins that arteries do not
possess?

valves

This page was last updated 10/11/06

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