Final answer:
Immediate medical attention is needed for adults, children, and infants who exhibit no signs of effective breathing and no pulse.
Step-by-step explanation:
In cases where adults, children, or infants exhibit no signs of effective breathing and no
For example, if someone is not breathing or does not have a pulse, they may be experiencing cardiac arrest, which is a medical emergency requiring immediate intervention.
In situations like these, it is crucial to call emergency services right away and begin performing CPR if you are trained to do so.