A respiratory therapist is evaluating an x-ray of a patient suffering from congestive heart failure. What might the therapist observe when examining the hilum of this patient?
A) normal vascularity
B) excess vascularity
C) excess vascularity
D) significantly deviated trachea
B
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________ is an inflammatory disease of the central nervous system
a. Cerebral palsy b. Bursitis c. Cardiovascular disease d. Multiple sclerosis
Calculate the pulmonary vascular resistance (PVR) given the following measurements obtained during a hemodynamic study:
pulmonary artery pressure (PAP) = 40/22 mm Hg, pulmonary artery occlusion pressure (PAOP) = 12 mm Hg, blood pressure (BP) = 156/80 mm Hg, central venous pressure (CVP) = 19 mm Hg, cardiac output (C.O.) = 4.8 L/min, and heart rate (HR) = 68 beats/min. a. 150 dyne ? sec ? cm?5 b. 267 dyne ? sec ? cm?5 c. 317 dyne ? sec ? cm?5 d. 1496 dyne ? sec ? cm?5
Immunity is the ability to resist disease
Indicate whether the statement is true or false
Sickle cell disease is most predominant in which ethnic group?
A) Mexican (Hispanic) B) Asian C) African D) Jewish