The Index of Difficulty (ID) that can be derived from Fitts' law demonstrates that the same task can have various levels of difficulty and the same amount of:
A. Movement speed
B. Performance variability
C. Response choices
D. Complexity
Answer: D
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A patient brings in a prescription for prednisone. Which of the following would NOT be an acceptable version of this drug?
A) Meticorten B) Orasone C) Mesantoin D) Deltasone
A 2-year-old male fell into a swimming pool and was submerged for about 2 minutes. The child is unresponsive, cyanotic, apneic, and pulseless. A firefighter who first responded on an engine is performing CPR. You are not able to quickly obtain vascular access, but you are able to place an endotracheal tube. EKG shows a sinus bradycardia with a rate of 32 . You should:
a. start an intraosseous line immediately. b. administer 0.01 mg/kg epinephrine 1:10,000 down the endotracheal tube. c. administer 0.1 mg/kg epinephrine 1:1000 down the endotracheal tube. d. administer 0.02 mg/kg atropine down the endotracheal tube.
Causes of ventricular fibrillation include which of the following? 1. Damage to the sinoatrial node 2. Digitalis overdose 3. Severe hypoxia 4. Myocardial infarction (MI)
a. 2 and 4 only b. 1, 2, and 3 only c. 2, 3, and 4 only d. 1, 3, and 4 only
The wave that represents depolarization of both atria is the ________ wave.
A. P B. Q C. R D. S E. T