Signs and symptoms of a life-threatening emergency due to asthma include all of the following EXCEPT:
A) cyanosis.
B) altered mental status.
C) chest pain.
D) audible stridor.
Answer: C
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The presence of what poikilocyte would lead to a suspicion of myelophthisic anemia rather than pure red cell aplasia?
a. Dacryocyte b. Drepanocyte c. Schistocyte d. Stomatocyte
What treatment for patients with COPD has been shown to improve long-term survival?
a. Bronchodilators b. Corticosteroids c. Mechanical ventilation d. Oxygen
Which of the following modes of ventilatory support would you recommend for a severely hy-poxemic patient with acute lung injury or acute respiratory distress syndrome (ARDS)?
a. Continuous positive airway pressure b. High VT volume-cycled ventilation c. Pressure-controlled ventilation d. Bilevel pressure support by mask
RA and LA leads can be placed anywhere on the arm from the wrist to the shoulder. However, they are typically placed ____ to reduce the amount of interference.
A. just above the elbow B. midway between the elbow and the shoulder C. midway between the elbow and the wrist D. just below the elbow