TMC KT Exam with Questions and Answers

TMC KT Exam with Questions and Answers Which of the following could cause a capnograph reading to change from 36 torr to 30 torr? a. Bronchospasm b. Hypoventilation c. Pulmonary embolism Retained Secretions ANSWER Pulmonary embolism Blood clot that is stuck in pulmonary system and limits perfusion. Air goes in and comes right out, no perfusion is taking place, no CO2 is being transferred into the air. No blood flow to the lung which stops CO2 perfusion and results in no CO2 in the breathed in air. A balloon-tipped, flow-directed catheter is positioned in the pulmonary artery with the balloon deflated. Which of the following pressures will be measured by the proximal lumen? a. CVP b. PAP c. PCWP d. MAP ANSWER CVP Proximal measures CVP. Distal inflated measures PCWP. Distal deflated measures PAP. A patient in the ICU has the following hemodynamic measurements: CVP 9mmHg Mean PAP 24 mmHg PCWP 9 mmHg MAP: 93 mmHg (normal in 90s) Cardiac output 5.4 L/min