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STNA (State Tested Nursing Assistant) › View

The charge nurse asks you to take this blood sample to the lab STAT.  You are in the middle of feeding a patient.  What do you do?
A. Finish feeding the patient, you don’t want the meal to get cold.
B. Cover the meal to keep it warm and immediately take the blood sample to the lab.
C. Tell the charge nurse she needs to do it herself.
D. Casually walk the sample to the lab while stopping to talk to some friends on the way. 

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Physiology › View

Which of the following statements about coronary blood flow is the most accurate?

A. Coronary blood flow can increase 2-5 times more when compared to its resting flow

B. the heart, under resting conditions, removes up tp 25%-45% of the O2 available in the coronary

C. the myocardium receives most of its blood supply during systole, especially in the left ventricle

D. the intramyocardial pressure is the lowest in the inner layers of the ventricular wall and incresed

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