About how many hours will an H-cylinder of O2 last if it has 1100 psig and is emptying at a flow of 8 L/min?

During O2 rounds, the respiratory therapist notices that the bed sheet is pulled over the entrainment port of a patient’s air entrainment mask. Which of the following are true statements regarding this situation?

Physostigmine is used to treat to treat which of the following conditions? 

The following ABG results have been collected on a 52-year-old man with a pulmonary embolism. The patient was not receiving O2 when the sample was drawn. pH 7.55 PaCO2 28 mm Hg PaO2 142 mm Hg Which of the following should the respiratory therapist recommend at this time?

Albert, a 35-year-old insulin-dependent diabetic, is admitted to the hospital with a diagnosis of pneumonia. He has been febrile since admission. His daily insulin requirement is 24 units of NPH. Every morning Albert is given NPH insulin at 0730. NPH insulin will reach its maximum effect (peak) between the hours of:

 A 60-year-old comatose patient needs nasotracheal suctioning because of pneumonia and retained secretions. Which of the following should be done to ensure a safe procedure? 1. Coat the catheter with a water-soluble lubricant. 2. Hyperoxygenate the patient. 3. Suction continuously to remove all secretions. 4. Insert a nasopharyngeal airway. 5. Advance the catheter only when the patient inspires.

Which of the following are adverse effects of Canaglifloxin? Select all that apply. There are 3 correct answers.

A patient has shortness of breath on a 60% aerosol mask. The following data are obtained: Pulse 112 b/min RR 34 b/min ABGs pH 7.27 PaCO2 53 mm Hg PaO2 68 mm Hg On the basis of this information, which of the following should be recommended at this time?

For a client experiencing metabolic acidosis, the body will compensate by:

A respiratory therapist should do which of the following for protection from contamination from a patient who coughs violently during endotracheal suctioning? 1. Wear a mask. 2. Wear goggles. 3. Restrain the patient. 4. Suction when the patient is asleep.