ch 5 a&p- integumentary system

why are we seeing reports of children in the US and Europe with Vitamin D deficiency?

too much time indoors and strong sunscreen

The Integumentary System includes the skin, hair, fingernails, toenails and all glands throughout the body.

false

This type of hair could be found covering the body of a newborn baby:

lanugo

Bedridden, nursing home patients must frequently be moved or turned so that constant prolonged pressure which cuts off blood flow to tissues does not cause these to form:

bedsores, pressure ulcer/injuries

Which three organs play an active role in producing vitamin D which is needed for Calcium absorption:

liver-kidney-integument

This type of sweat gland does not enlarge and become active until around puberty:

apocrine sudoriferous

Which type of skin cancer is known to metastasize quickly and can kill a person within months of diagnosis?

malignant melanoma

Another name for sebaceous gland is sudoriferous gland. 

false- oil gland

Use the rule of 9's described in the notes and textbook to quickly estimate the percentage of a patients body that is burned.  A patient in brought by ambulance to the ER. The paramedic notes blisters forming on both of the 36 year old patient's lower limbs from hip to toe, around the anal and urogenital region (perineum) and the anterior trunk (not posterior trunk).  What percentage of the patients body has been burned?

55%

When exposed to sunlight, which cells become stimulated to help protect your DNA from damage?

melanocytes

Which of the following is Not true about the Hypodermis?

the true skin, 3rd and deepest layer of the skin

The layer of the epidermis where new cells are forming through mitosis and where melanocytes reside is know as stratum:

stratum basale

Burns destroy some of the skin's important contributions to homeostasis including:

protection against microbial invasion- prevention of dehydration- thermoregulation

which type of burn destroys the epidermis and part of the dermis and is associated with blistering?

2nd degree

This tiny muscle in the dermis when contracted makes hairs stand raised and causes goosebumps to appear:

arrector pili

layer of epidermis where this is the most rapid cell division

stratum basale

how can you tell an example of thick skin

stratum lucidum

n the stratum spinosum, the cells are held together by desmosome cell connections and these velcro like connections give the appearance of spines sticking off the cells

true

The epidermal layers found in THIN skin from deepest to most superficial are:

Basale- Spinosum- Granulosum- Corneum

Which of the following is NOT true about dermal ridges

found in the bottom of the epidermis

Describe two other types of modified Apocrine Sweat glands and their products:

ceruminous gland (cerumen aka ear wax) and mammary gland (milk)