The anticoagulant heparin is used for blood gases and other chemistry tests. It works by:
a. binding calcium ions
b. preventing the conversion of prothrombin to thrombin
c. preventing the conversion of plasminogen to plasmin
d. activating tissue thromboplastin
b
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A person who is standing erect, with arms at sides and palms forward, is in a(n)
position. A. prone C. anatomical B. supine D. lateral recumbent
A patient presents with skin that is cool to the touch. The EMT shows he understands this condition when he states:
A) "This may indicate a problem with the patient's blood circulation." B) "The patient must have an infection somewhere in his body." C) "We should check his breath sounds; the patient probably has a lung infection, such as pneumonia." D) "The patient most likely has a past medical history of hypertension."
Disease that results from a molecular defect in hemoglobin synthesis in RBCs is termed:
a. Thalassemia b. Hemoglobinopathy c. Porphyria d. Asynchrony
Which of the following can cause kidney inflammation?
I. Radiation II. Drugs III. Altered immune response a. I and II only c. I, II, and III b. II and III only d. I only