B.
Being predisposed means that the person is genetically more inclined to develop a condition.
Answer: Seek help.
Explanation: If he takes too many sleeping pills, his heart could be stopped due to the strong amount of sleeping chemicals, dial 911 or tell a parent/guardian ASAP.
It would be A because when you are younger you want to have a higher heart rate while working out.
The answer is False, just took the test.