Explain how bone marrow analysis helps establish an AML diagnosis
What will be an ideal response?
Answer: The first step in bone marrow analysis is to establish the overall cellularity of the bone marrow. Next, the number of erythroblasts are counted and expressed as a percentage of the total number of nucleated cells in the marrow. A cutoff of 50% is considered standard. If erythroblasts comprise <50% of all nucleated cells, the nonerythroid precursors (i.e., myeloblasts and monoblasts) are then counted. If erythroblasts comprise >50% of all nucleated cells, a diagnosis of acute erythroleukemia (AEL) is suspected. If myeloblasts and/or monoblasts are >20% of the total count, AML is strongly suspected.
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When a patient has a low PaO2 with a chronically high PaCO2, how is ventilation exclusively controlled?
A. by the apneustic center B. by the central chemoreceptors C. by the peripheral chemoreceptors D. by the VRG and DRG
Which paper form was designed for professional claims?
What will be an ideal response?
A prescription is written for a pediatric patient that reads, "10 mL liquid suspension". How many teaspoons should the parents of the child administer?
1 2 3 4
A patient receiving high frequency oscillation ventilation (HFOV) has demonstrated excess CO2 retention on a recent arterial blood gas. Which of the following could be adjusted to correct this situation?
A. Mean airway pressure B. Amplitude (?P) C. Inspiratory time D. Oxygen concentration