PMC Infant Anatomy & Physiology 2

Question 1

Which bone growth zone in children must be protected during massage?

Accepted Answer

Epiphyseal (growth) plate

Answer

The epiphyseal plate is the cartilaginous zone where long bone growth occurs and can be damaged by excessive pressure.

Question 2

Compared to adults, the skin of infants has a higher rate of:

Accepted Answer

Transdermal absorption

Answer

Infant skin has a higher surface-area-to-body-weight ratio and thinner stratum corneum, leading to significantly greater transdermal absorption of oils and substances.

Question 3

At what age does the posterior fontanelle typically close?

Accepted Answer

6–8 weeks

Answer

The posterior fontanelle is small and usually closes by 6 to 8 weeks of age.

Question 4

The myelination of peripheral nerves in infants is:

Accepted Answer

Incomplete and continues throughout childhood

Answer

Nerve myelination is incomplete at birth and continues developing throughout childhood, which influences sensory processing and response to touch.

Question 5

Which muscle is the largest and most developed at birth, making it a common site of infant massage?

Accepted Answer

Quadriceps femoris

Answer

The quadriceps femoris group is well-developed at birth due to kicking activity in utero and is a safe, effective area for infant leg massage.

PMC - Pediatric Massage Certification Practice Test

PMC - Pediatric Massage Certification Practice Test

PMC Infant Anatomy & Physiology 2