Which of the following is the most common clot detection principle used for coagulation testing?
a. Photo-optical
b. Mechanical
c. Chromogenic
d. Immunologic
ANS: A
The most common clot detection principle used by automated coagulation instruments is photo-optical.
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The tough, fibrous sheaths that bundle skeletal muscle are called:
A) tendons. B) fibers. C) sarcolemma. D) fascia.
You have been called for a 13-year-old boy who was caught sniffing glue by his parents. The boy is lethargic and confused, complains of "burning" in his mouth and nose, and has nausea and vomiting. Based on the clinical presentation and mechanism of illness, how has this poison affected the patient's brain?
A) Being absorbed through the small intestine into the bloodstream and then going to the brain B) Directly contacting the brain by crossing the mucous membranes of the mouth and nose C) Crossing from the lungs into the bloodstream and then circulating to the brain D) Absorbing fumes through the skin, nose, and eyes and then going on to the brain
An unrestrained driver of a car that has struck a tree at 45 mph has suffered a contusion to his heart. The EMT would recognize that this injury occurred during which impact of the collision?
A) Vehicle collision B) Body collision C) Organ collision D) Physiological collision
What morphologic characteristics are found on a blood smear in G6PD deficiency?
a. Leukopenia and echinocytes b. Thrombocytopenia and reticulocytosis c. Reticulocytosis and blister cells d. Döhle bodies and Heinz bodies