A patient's central venous pressure reading is 8 mmHg. The nurse understands this reading reflects which physiological parameter?
1. The blood pressure within the right atrium
2. The blood pressure within the pulmonary artery
3. The blood pressure within the left ventricle
4. The blood pressure within the left atrium
1
Rationale 1: The central venous pressure reflects the blood pressure of the vena cava and the right atrium.
Rationale 2: The central venous pressure does not reflect pressures with the pulmonary artery.
Rationale 3: The central venous pressure is not the same as left ventricular pressure.
Rationale 4: The central venous pressure is not the same as left atrial pressure.
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