Hypaque, Cystografin, and Renografin are:
a. antiseptic prep solutions
b. bacterial staining compounds
c. contrast media
d. tissue preservatives
c
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You are called to treat a 27-year-old man who fell while snowboarding and struck his leg against a tree. The primary assessment shows no threats to his airway, breathing, or circulation. A secondary assessment reveals a severely deformed knee that is swollen and ecchymotic. The leg is pale and cool, and the patient cannot move the leg when asked to do so. In addition, you cannot palpate a pedal pulse. Which of the following actions should you take at this time?
a. Apply cold packs to the knee and then Quick Splint it in the position found. b. Continue attempting to realign the leg until a pulse returns. c. Apply a traction splint and enough traction until a pulse returns. d. Attempt to straighten the leg once to see if a pulse returns.
What impact does the steep portion of the oxyhemoglobin dissociation curve have on oxygen delivery?
a. No oxygen can be released to tissues until PO2s are above 60 mm Hg b. PO2s below 60 prevents the release of oxygen from hemoglobin to tissues c. Oxygen binds irreversibly with hemoglobin until the P50 is reached d. PO2s below 60 enhance the release of oxygen from hemoglobin to the tissues
Which organ synthesizes most plasma proteins?
A) Gallbladder B) Liver C) Brain D) Kidney
The atmospheric pressure is 740 mmHg (Salt Lake City, UT). What is the partial pressure for oxygen?
A) 159 mmHg B) 134 mmHg C) 94 mmHg D) none of the above