Answer to Question 1
False: The signs and symptoms of heart attack can differ from one patient to another.
Answer to Question 2
Fetus: from conception to birth; newborn: from birth to 4 weeks; infant: from 4 weeks to 1 year; toddler: from one to three years; preschool: from three to six years; school age: from six to twelve years; adolescence: from puberty to early adult.