All the following are true about the ejection fraction except:

Under which of the following patient conditions should the healthcare team consider changing from an endotracheal tube to a tracheostomy tube?I. improvement of the patient’s condition each dayII. the patient’s intubation time is nearing 14 daysIII. the patient is hemodynamically unstable and is requiring high levels of PEEPIV. the patient has failed their last 4 SBTs over the last week

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)?

An oxygen tank (O2) has a volume of 35.0 L at a 200. mmHg. If the pressure changes to 525. mmHg, what is the new volume in liters (L) at constant temperature (T) and amount (n)?

All of the following are true about Guillain-Barre Syndrome, EXCEPT:

Lower airway anesthesia for fiberoptic bronchoscopy can be achieved via which of the following routes of administration?I. bronchoscopic instillation II. intravenous administration III. aeosolized nebulization IV. topical anesthetic

All of the following are true about Guillain-Barre Syndrome, EXCEPT:

The MAIN goal/purpose of cardiopulmonary stress testing is to:

BONUS: A patient’s CaO2 is 20.1 vol% and the CvO2 is 14.6 vol%. The oxygen consumption (VO2) is 220 mL/min. What is the patient’s cardiac output?

The bronchoscopy technique that flushes 100 mL of normal saline through the scope’s instillation channel in four or five increments of 20 to 30 mL to distend the distal bronchioles and fill the alveoli, thereby washing out samples of any microorganisms that are collected into a Leuken’s trap, is which of the following?