An AP X-ray of a 3 year-old child with wheezing and stridor shows an area of prominent subglottic edema, but the lateral neck X-ray appears normal. What is the most likely problem?
A. croup
B. foreign body
C. epiglottitis
D. cystic fibrosis
Ans: A. croup
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Correcting a life-threatening condition such as external bleeding in elderly patients can be more problematic because:
a. the skin of elderly patients does not rebound as quickly as it does in younger patients. b. the veins of elderly patients have weaker walls than those in younger patients. c. elderly patients may be on Lasix. d. many elder patients are taking warfarin or other blood thinners.
Which of the following modes of support provides all of the patient's minute ventilation (VE) as mandatory volume-controlled (VC) breaths?
a. VC continuous mandatory ventilation b. VC intermittent mandatory ventilation c. Pressure-supported ventilation d. Continuous positive airway pressure
According to the American Association for the Surgery of Trauma grading system, a laceration to the liver over three centimeters in parenchymal depth would be classified as a ____ injury.
A. Grade I B. Grade II C. Grade III D. Grade IV
Vigilance tasks involve the long-term maintenance of alertness in situations in which signals that must be responded to occur infrequently and irregularly.
Answer the following statement true (T) or false (F)