Which of the following statements about adult respiratory distress syndrome (ARDS) is FALSE?
A) PEEP is often required to adequately ventilate ARDS patients.
B) The mortality rate is 20 to 30 percent.
C) Pulmonary edema and disruption of the alveolar-capillary membrane contribute to respiratory failure in ARDS.
D) The causes of ARDS include pancreatitis, oxygen toxicity, sepsis, and tumor destruction.
B
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A laboratory technician is given a blood sample and asked to calculate the concentration of dopamine. The first test reveals that the concentration of dopamine falls outside the reliable range for the testing method. He adds 100 ?L saline solution to 100
A) The concentration in the diluted sample is one-half that of the original sample. B) The concentration in the diluted sample is one hundred times that of the original sample. C) The concentration in the diluted sample is one-tenth that of the original sample. D) The concentration in the diluted sample is twice that of the original sample.
Which type of seizure occurs in children and is caused by a high core temperature?
A) Idiopathic B) Hypoglycemic C) Febrile D) Eclamptic
Patient underwent a cervical epidural injection of a local anesthetic
a. 3E0S3BZ b. 3E0S33Z c. 3E0R3BZ d. 3E0R33Z
Tetracaine drops are used in ophthalmologic procedures to:
a. fill the posterior cavity to prevent retinal detachment b. numb the surface of the eye and surrounding structures c. irrigate the cornea to prevent drying and abrasions d. flush traumatic laceration tissue to prevent post-op SSI