Your patient has a P(A–a)O2 of 600 mm Hg while breathing 100% oxygen. What is the estimated percentage shunt?

Which of the following statements regarding the amount of suction applied to the pleural space from the pleural drainage system are true? I. the amount of negative pressure is controlled by the amount of suction from the wall vacuumII. the amount of negative pressure is usually -20 cmH2OIII. negative pressure is controlled by the depth of the water in the suction chamber in chest  tube bottle systemIV. aggressive bubbling in the water seal chamber indicates suction pressure is set at the required level for evacuation to occur

BONUS: Your patient with myasthenia gravis is being given a corticosteroid medication. Long-term complications of this medication include all of the following, EXCEPT:

What size tracheostomy tube would you select for insertion during a bedside percutaneous trach insertion of an adult male?

Mr. Oakhurst responds to Tom Simson’s innocence by  

A second degree burn will have which of the following:I. mildly red and tender skinII. presence of blistersIII. patient will have no pain to the burn areaIV. once healing occurs, the skin can appear shinny

  Which of the following could cause the aggregate demand curve to shift right?  

Which statement is true for inhalation injury related to fire?

Which of the following factors increase survival rates for near drowning victims is:

A patient has been brought to the Emergency Department after inhaling super heated steam. The pulmonary injuries (anatomical alterations) that would be expected at the lower airways include:I.   atelectasis.II.   pulmonary edema.III.   small amount of thin/thick secretions.IV.   pharyngeal edema.