I would go with C, but I also noticed you posted another question from this answer document
https://www.coursehero.com/file/p1qti8g/Correct-A-True-B-False-Question-5-Of-the-professional-catego...
Not sure if that would help you, but I figured I'd offer it in case you wanted the resource in case you were looking for other answers from the same thing :)
Answer:
volunteers trained in disaster response skills
Hope it helped you!
~~~~~~~~~~~~~~~~~~~~~~~~~~
Answer is are breathing much faster. A good sign that cardiovascular exercise is occurring is that you breathing much faster.
Answer:
The correct answer is - Albuterol.
Explanation:
Albuterol is used to help in treating difficulties of the lungs and bronchi of an individual that is experiencing asthma or other breathing problems. It helps in fast relief as it acts quickly. These are the drugs of the class of bronchodilator.
It acts by helping airways, by open the passage of the breathing and relaxing the muscles and help in the acute episode of bronchospasm.
Thus, the correct answer is - Albuterol.