Differentiate between absolute and relative concentrations of specific types of leukocytes and give an example of a condition that typically produces abnormal absolute or relative concentrations
What will be an ideal response?
Answer: The relative concentration is the percentage of cells counted in a 100-cell differential. The relative concentration of lymphocytes can be increased when there is neutropenia with a normal WBC.
The absolute concentration is calculated from the total WBC count and the percentage of the particular cell found from the differential count. An absolute lymphocytosis can occur in infectious mononucleosis or other viral infection.
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Which of the following ventilator modes is represented by the pressure-time scalar in the figure?
a. Volume-controlled intermittent mandatory ventilation with positive end-expiratory pressure b. Pressure-controlled intermittent mandato-ry ventilation with positive end-expiratory pressure c. Pressure-augmented, volume-guaranteed breaths d. Proportional assist ventilation
In the standard approach to hospital fires, the RACE plan has been suggested. What does the letter "C" stand for in this approach?
a. Capture b. Contain c. Call for help d. Collapse