A 3-year-old and his brother were walking along a frozen irrigation ditch. The 3-year-old tried to retrieve a dropped toy and fell through the ice. He is apneic and pulseless with fixed, dilated pupils. No one knows how long he was underwater. ECG shows asystole. You should:
a. start CPR immediately and transport.
b. call for the police and the coroner.
c. attempt to rewarm the patient as rapidly as possible.
d. transport without doing CPR.
Question 2
A beta2 specific agonist causes which of the following physiologic responses?
A) Bronchodilation
B) Bronchoconstriction
C) Decreased heart rate
D) Increased heart rate
The nitrogen cycle. Numbers represent fluxes as 1012 g N per year (data from Schlesinger 1991, after
Spotted hyena walking in profile
Why Different Constellations Are Visible at Different Times of the Year
A Frozen Lake on Triton
Three days after the Boston Marathon explosion, the FBI released this photograph that had been taken