<span>The correct answer is D. The US Food and Drug Administration examines many different substances and approves them when their benefits outweigh the risks. To be approved, manufacturers must prove to the FDA that their product is both safe and effective, so if the drug is ineffective, it is unlikely that the FDA will approve it.</span>
Answer:
The correct answer is - option C.
Explanation:
Foreign body airway obstruction is the condition when there is a blockage in the airway of an individual due to engulfing food, or foreign item. Swallowing marbles or coins are a common case f foreign airway obstruction.
Back blows and the chest thrusts or abdominal thrust is effective and for relieving airway obstruction in children that are more than one year. It is also effective in adults. If this maneuver is not working one should use CPR and chest compression and call for the ambulance.
Thus, the correct answer is - option C.
A.................and.................B