A respiratory therapist is questioning the accuracy of the ABG results obtained on a patient in the ICU. The results show a pH and PaO2 that seem unreasonably high, while the PaCO2 seems unreasonably low
Which of the following would most likely cause these erroneous results?
a. A venous sample was obtained.
b. There was excessive heparin in the blood gas syringe.
c. The sample was excessively delayed in analysis.
d. There was an air bubble in the sample.
D
An air bubble in the sample would cause an increase in the pH and PaO2 while causing a decrease in PaCO2.
You might also like to view...
The largest anatomical region of the diencephalon is the:
a. Thalamus b. Hypothalamus c. Epithalamus d. Subthalamus
The major limitations of using a laryngeal mask airway are:
1. It should not be used in conscious or semicomatose patients. 2. Gastric distention may occur if ventilating pressures greater than 20 cm H2O are needed. 3. It does not provide absolute protection against aspiration of gastric contents. a. 1 and 2 only b. 2 and 3 only c. 1 and 3 only d. 1, 2, and 3
It is rare that a blind insertion airway device will not provide at least some ability to effectively ventilate a patient.
Answer the following statement true (T) or false (F)
Before putting a caller on hold, ____.
A. ask someone else in the office to take the call B. tell the caller that you have no choice C. ask the caller to state the purpose of the call D. tell the caller that you do not know how long the wait will be E. give the name of the practice and say, "Hold, please."