PMC Infant Anatomy & Physiology 2

Question 1

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

Accepted Answer

Epiphyseal (growth) plate

Answer

Periosteum

Answer

Diaphysis

Answer

Endosteum

Question 2

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

Accepted Answer

Transdermal absorption

Answer

Melanin production

Answer

Collagen cross-linking

Answer

Sebum secretion

Question 3

At what age does the posterior fontanelle typically close?

Accepted Answer

6–8 weeks

Answer

At birth

Answer

6 months

Answer

12 months

Question 4

The myelination of peripheral nerves in infants is:

Accepted Answer

Incomplete and continues throughout childhood

Answer

Complete at birth

Answer

Absent until age 2

Answer

Faster than in adults

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

Gastrocnemius

Answer

Deltoid

Answer

Gluteus maximus

Question 6

What normal physiological phenomenon causes a newborn's skin to appear yellow in the first few days of life?

Accepted Answer

Physiological jaundice

Answer

Cyanosis

Answer

Erythema toxicum

Answer

Cutis marmorata