Which of the following mechanisms of injury would necessitate performing a rapid trauma assessment?
A. A 5'8" tall adult who fell 12' from a roof and landed on his side
B. A stable patient involved in a car crash, whose passenger was killed
C. Amputation of three toes from the patient's left foot with controlled bleeding
D. An impaled object in the patient's lower extremity with minimal venous bleeding
Answer: B. A stable patient involved in a car crash, whose passenger was killed
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If lung compliance decreases while a patient is receiving mechanical ventilation with pres-sure-controlled continuous mandatory ventilation (PC-CMV), which of the following would oc-cur?
a. Peak pressure increases. b. Peak pressure decreases. c. Tidal volume increases. d. Tidal volume decreases.
Which of the following best describes a procedural difference between homogeneous and heterogeneous immunoassays?
A. There is no physical separation of bound from free fractions in a homogeneous immunoassay, whereas in a heterogeneous immunoassay you must separate bound forms from free forms. B. A homogeneous immunoassay usually takes longer to perform because you must physically separate the bound from free fractions, whereas in a heterogeneous immunoassay the time to perform the assay is shorter because you do not have to separate the bound forms from free forms. C. There is a physical separation of bound from free fractions in a homogeneous immunoassay. D. Separation of bound and free fractions is optional for either type of immunoassays.