A pressure-volume ventilator graphic fails to return to the point of origin. Which of the following could be the cause?

A. inadequate PEEP
B. leak in the ventilator circuit
C. pulmonary distension
D. excessive cuff pressure


Answer: B. A pressure volume loop on a ventilator should end in the same place it starts. If a pressure volume loop fails to return to zero, or its point of origin, there is likely a leak in the circuit, reducing return volume.

Health Professions

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Which of the following should be included on a résumé?

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Patient insurance information that must be entered into the medical practice management system can be found on the:

registration form. Explanation of Benefits (EOB). provider claim form. Patient Day Sheet.

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Which of the following ingredients is found in patient-applied densensitizing agents?

A) Potassium nitrate B) PENTA C) Ferric oxalate D) Hydrogen fluoride

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Naegele's Rule is used to calculate the:

A) expected delivery date. B) gestational age. C) fetal weight. D) fetal height.

Health Professions