What is considered the afterload of the right ventricle?

Which of the following are contraindicated in cardiopulmonary stress testing?I. an unstable asthmatic patientII. a patient who has a baseline B/P of 210/100III. a patient who has a FEV1% of 67% exhibits on their PFTsIV. suffers from mild arthritis in her kneesV. has the following baseline blood gas: pH 7.45, PaCO2 50 mmHg, PaO2 45 mmHg

Which of the following is NOT a normal pulmonary artery pressure (PAP): I. mPAP = 23 mmHgII. PAP = 28/13 torrIII. mPAP = 15 mmHgIV. PAP = 38/24 torrV. PAP = 17/7 torr

The normal compensatory mechanism for a left shift in the oxygen dissociation curve is a(n):

If the patient’s PvO2 decreases from 43 torr to 25 torr, which of the following should the respiratory therapist assess?

An oxygen tank (O2) has a volume of 15.0 L at a 100. mmHg. If the volume changes to 12.0 L, what is the new Pressure in mmHg at constant temperature (T) and amount (n)?

How will tidal volume be affected if a newborn is place on a pressure-targeted, time-cycled mode of ventilation if airway resistance increases during the breath delivery?

Penetrating chest trauma often results in a communicating pneumothorax between the pleural space and the atmosphere once the object is removed. The initial treatment of a communicating pneumothorax in the ED (or before) is:

Which port should be utilized to attain a sample for a mixed venous (SvO2) reading on a PA Catheter?

A patient is brought in from a local construction site by ambulance after falling off scaffolding onto concrete steps. At the scene the man was complaining of severe chest pain and stated “I can’t get my breath.” When he arrives at the emergency department he only responds to painful stimulation, is breathing shallowly 16 bpm and has a SpO2 reading of 82% on a 100% NRB mask. On visual examination you note profound paradoxical movement of his left anterior chest wall. The physician orders STAT ABGs. Which of the following results would you expect with this patient?