220 - your age" is the formula used to find your

resting heart rate

low end of the target heart rate zone

high end of the target heart rate zone

maximum heart rate

Which of the following is an important function of child-directed speech? (a) it captures the infant’s attention and maintains communication. (b) it reduces the occurrence of infantile amnesia for the earliest memories of infancy. (c) it reduces the need for reciprocal interaction between caregivers and children. (d) it assists in prolonging rem sleep in infants.

Which of the following temperatures is considered febrile and would likely prompt a physician to administer fever-reducing medications? a rectal temperature of 100.3°f an axillary temperature of 97°f an oral temperature of 100.5°f a tympanic temperature of 100.1°f

Which of the following is a health risk associated with ground-level ozone? a. cataractsb. skin cancerc. respiratory illnessd. all of the above