Which of the following would be a normal hematocrit value?

Leukemia is to leukocytes as _____ is to erythrocytes.

According to The American National Red Cross, _____ is the most common blood type occurring in people of the United States.

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During pressure-controlled continuous mandatory ventilation (PC-CMV) the respiratory therapist observes the pressure-time scalar shown below. The most appropriate action to take is which of the following?  

During a patient-ventilator system check the respiratory therapist notices that the pressure-volume loop begins at zero on the x-axis but does not return to zero during expiration. The cause of this is which of the following?

The NAVA mode can be used in which of the following situations?

Calculate the static compliance using the information from the scalar below.  

A patient is receiving ventilation with volume-controlled continuous mandatory ventilation (VC-CMV). During a patient-ventilator system check the respiratory therapist sees the flow-volume loop below. The most appropriate action is to do which of the following?