You are the first medically trained person to arrive at the scene of a sick infant. as you enter the residence, a frantic woman hands you her pale, limp 6-month-old son. you tap the infant's foot and determine that he is unresponsive. you should next:

You should next assess for signs of adequate breathing and then check the brachial pulse. Heart rate, which is also known as pulse rate is defined as the number of times the heart beats in one full minute.  Infants have different pulse rate it is a higher pulse rates because their bodies are growing fast that’s the reason why their metabolism to be high.

when the displaced particles are perpendicular to the direction the wave travels, is called a transverse wave, whereas in longitudinal wave the displace practices are parallel to the direction of the wave.

in the given image:

first image shows - longitudinal wave

second image shows - transverse wave

third image shows - longitudinal wave

fourth image shows - longitudinal wave