WITH VERIFIED ANSWERS { GRADED
A+}
The _____ is a critical interface between the body and environment -
✔✔skin
the first response in resuscitation includes drying the baby to prevent? -
✔✔heat loss
T/F? At birth, the skin of the term infant must perform multiple
functions critical for survival in an extrauterine environment - ✔✔TRUE
important in regulating keratinocyte homeostasis to locally produce
hormones, neurotransmitters, and cytokines; Maintain epidermal
,integrity, enhance innate immunity, and inhibit pathogenic bacteria -
✔✔skin microbiome
the outermost layer of the epidermis that creates an epidermal
permeability barrier - ✔✔stratum corneum
Preterm infants (<1000 g birth weight) lack a well-developed ______
which poses special problems for newborn care - ✔✔stratum corneum
when does the stratum corneum develop in utero? - ✔✔Develops in
utero during the third trimester of pregnancy
physiologic roles of the skin at birth? - ✔✔barrier to water loss
thermoregulation
barrier to chemicals
infection control
immunosurveillance
acid mantle formation
,antioxidant function
ultraviolet light photoprotection
tactile discrimination
attraction to caregiver
Human skin has two distinct but interdependent components ? -
✔✔epidermis and dermis
T/F? Melanin production is low in the newborn (less pigmented skin)
and they are more sensitive to sunlight - ✔✔TRUE
a hydrophobic substance that contains lipids of sebaceous origin as well
as numerous water-laden fetal corneocytes "waterproofing" the skin
surface; Contains multiple molecules associated with the innate
immune system, including lysozyme, lactoferrin, and defensins, and
antioxidants - ✔✔vernix caseosa
T/F? The appendages derive from embryonic invaginations of
epidermal germinative buds into the dermis. - ✔✔TRUE
, 1-mm cysts scattered over the cheeks, forehead, nose, and nasolabial
folds; May be few or numerous, frequently occur in clusters;
Keratogenous cysts similar to Epstein pearls - ✔✔Milia
milia are often confused with the more common condition of ? -
✔✔sebaceous gland hyperplasia
similar to milia but they are smaller, flatter, more yellow dots seen on
the midface - ✔✔sebaceous gland hyperplasia
the most frequently encountered pigmented lesion is? - ✔✔mongolian
spot
another name for mongolian spot - ✔✔dermal melanosis
Macular and gray-blue, lacks a sharp border, and may cover an area 10
cm or larger in diameter; Occurs frequently in African-American, Asian,
and Native-American infants; Commonly found in the lumbosacral area
- ✔✔mongolian spots