A critically ill patient is admitted to the ICU. The physician decides to use intra-arterial pressure monitoring. What is the purpose of this?
A) To assess left ventricular function
B) To assess the pressure of the vena cava
C) To assess the pressure in the right atrium
D) To measure the patient's BP continually
Ans: D
Feedback: Intra-arterial pressure monitoring is used to continually monitor a patient's blood pressure. It does not assess left ventricular function, pressure of the vena cava, or pressure of the right atrium.
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