The nurse is caring for a patient with a history of severe cardiac problems. the goal is to use exercise to maintain the highest level of function possible. to prevent hypertension or use of the valsalva maneuver, precautionary teaching should include directions to:
a. breathe through your mouth while exercising.
b. start slowly and work up until you feel short of breath.
c. limit exercises to range of motion and stretching.
d. perform isotonic and isometric exercise frequently.

The graph below compares the rates of reaction of a burning candle and an exploding firework. comparing chemical reactions what can you conclude from the graph? the reaction that causes a firework to explode requires less energy to start, and occurs more rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires less energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs more rapidly than the reaction that causes a candle to burn. mark this and return