Which of the following is the clearest indicator that someone who is choking does not yet require first aid? O A. They are not p
ointing to or clutching their throat. O O O B. They are able to make sounds and continue coughing. C. They are able to continue coughing D. They are able to respond to yes or no questions by nodding.
The National Institutes of Health (NIH), a part of the U.S. Department of Health and Human Services, is the primary Federal agency for conducting and supporting medical research.