After controlling the bleeding from a grossly contaminated open wound to the leg, you should next:
A) irrigate with sterile water and apply a sterile dressing.
B) apply a pressure bandage and elevate the extremity.
C) elevate the extremity and administer 100% oxygen.
D) gently pick out any foreign bodies with hemostats.
Answer: A) irrigate with sterile water and apply a sterile dressing.
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What is the difference between a total flooding system and a local application system?
A. A total flooding system is often located outdoors. B. A local application system delivers carbon dioxide directly onto the fire. C. A total flooding system is less dangerous than a local application system. D. A local application system delivers at least a 34-percent concentration of carbon dioxide.
Most carbon dioxide from cellular metabolism reaches the alveoli by being transported:
A) bound to hemoglobin.
B) as bicarbonate ion.
C) dissolved in plasma.
D) as carbonic anhydrase.
The total pressure in a mixture of gases is equal to the:
A. sum of the partial pressures of all the gases in the mixture. B. pressure of the gas with the largest volume. C. pressure of the gas with the largest molecular weight. D. pressure of the gas with the largest number of moles.
Which nerves supply the primary motor innervation to the right and left hemidiaphragms?
a. vagus c. Thoracic nerves 1-3 b. phrenic d. IX cranial