What waste substance is created when the body breaks down proteins?
A. Urea
B. Urine
C. BUN
D. Bile
Answer: A
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What percentage of oxygen is delivered by a simple face mask?
A) 60 to 80 B) 95 to 100 C) 40 to 60 D) 80 to 90
You have been called to an industrial warehouse for a young adult male patient who was exposed to an unknown chemical gas. The patient was immediately removed from the environment and presents to you with a patent airway, burning to the throat with inspiration, and complaint of shortness of breath. His vital signs are pulse, 120; respirations, 28 breaths/min; blood pressure, 164/60 mmHg; and SpO2, 90%. In addition, you note bilateral wheezing to the lungs. What should be your first action in caring for this patient?
A) Initiate manual spinal motion restriction B) Administer supplemental oxygen C) Identify the chemical to which the patient was exposed D) Administer a saline mist through a small-volume nebulizer
____ is the cardinal sign of acute respiratory distress that tends to grab the Paramedic's attention.
A. Rhals B. Bronchospasm C. Wheezing D. Airway obstruction
While the therapist mechanically ventilates a patient with ARDS, the patient becomes grossly dyssynchronous with the ventilator. Why should the therapist make every effort to avoid using neuromuscular blocking agents?
A. because neuromuscular blocking agents reduce O2 consumption B. because these medications adversely affect the ventilation time constant C. because the lung compliance increases leading to dynamic hyperinflation D. because of the risk of long-term myopathy