High altitudes may produce hypoxemia through which mechanism?
a. Shunting
b. Hypoventilation
c. Decreased inspired oxygen
d. Diffusion abnormalities
Answer: c. Decreased inspired oxygen
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Which of the following would the nurse expect to find in an 18-month-old?
A) Standing on tiptoes B) Pedaling a tricycle C) Climbing stairs with assistance D) Carrying a large toy while walking
A 2-year-old child is receiving digoxin (Lanoxin). The nurse should notify the practitioner and withhold the medication if the apical pulse is less than which rate?
a. 60 beats/min b. 90 beats/min c. 100 beats/min d. 120 beats/min
A patient with chest pain is prescribed to have a troponin level drawn
What purpose does this diagnostic test serve in the care of a patient with chest pain? Note: Credit will be given only if all correct choices and no incorrect choices are selected. Select all that apply. 1. It appears in the bloodstream 4 to 12 hours after the onset of cardiac injury. 2. The peak level of troponin appears in 12 hours. 3. If a cardiac injury has occurred, the troponin level will stay elevated for 7 to 10 days. 4. The troponin level may be a predictor of myocardial infarction size. 5. A negative result does not need to be retested.
In a state where a disaster occurred, which of the following actions should the governor take first?
a. Touring the disaster area with the media b. Encouraging community members to volunteer c. Publicizing the disaster and asking the national government for funding d. Opening the state's Emergency Operations Center