A cannula is
a. a good source of capillary blood.
b. the fusion of a vein and an artery.
c. a tubular instrument used to gain access to venous blood.
d. an artificial shunt that provides access to arterial blood.
C
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Which one of the following statements about air medical transport is true?
A) It is the best way to transport critically injured patients to a trauma center. B) It poses less risk to the patient than ground transport. C) It is only used for trauma patients. D) The EMR must carefully consider the indications and possible risks.
A patient in the intensive care unit has anemia, schistocytes, and thrombocytopenia. The PT and PTT are elevated, and the fibrinogen is low. What test to confirm what diagnosis would be appropriate?
a. D dimer to confirm acute DIC b. Bone marrow to confirm immune thrombocytopenic purpura c. Platelet antibody against P1A1 to confirm heparin-induced thrombocytopenia d. Platelet aggregometry to confirm posttransfusion purpura