Quiz 1

1.  A court case requires forensic evidence of DNA. To provide this evidence, a blood sample must contain which of the following?  

2.  Which of the following is cardiac output?

3.  Select the correct sequence of hemostasis?

4.  Following centrifugation of whole blood, the buffy coat fraction contains which of the following components?

5. The polymorphonuclear leukocyte or PMN refers to which blood cell?

6. During the cardiac cycle, there is an interval during which cardiac fibers are contracting but not shortening. The intraventricular pressure increases, but the ventricular volume remains the same. What is this interval called?

7.  As Preload  increases, Stroke volume (SV) __(1)__. As Afterload increases, Stroke volume (SV) __(2)__.

8.  Blood passing through the Mitral valve will enter which of the following structures?

9.  The conversion of soluble fibrinogen to insoluble fibrin occurring in the Common Pathway, is regulated by which of the following?

10.  Which of the following is the heart’s pacemaker?

11.  What is true of cardiac Atrio-Ventricular (AV) valves?

12. The differential count is most appropriately applied to which of the following?