Chapter 4
The subcutaneous and sweat glands associated with the skin are associated as ___________ glands because they release secretions to the skins surface via ducts.
exocrine
When James shaves his face, which portion of the hair is removed?
hair shaft
A nurse tends to a patient with a sunburn. Upon examination, she sees blisters and red skin. What type of burn does this patient most likely have?
second degree burn
The epidermis is composed of ____________.
stratified squamous epithelium
deepest layer of the epidermis that is situated closest to the dermis
stratum basale
A splinter pierces through the epidermal layers of the sole of the foot in the following order. What is the correct order? (numbers) 1. Stratum basale 2. Stratum corneum 3. Stratum granulosum 4. Stratum lucidum 6. Stratum spinosum
2,4,3,5,1
What layer is affected when a scrape affects the most superficial epidermal layer?
Stratum Corneum
Which layer of the epidermis is composed of flattened, dead, keratin filled cells?
Stratum Corneum
Which layer of the epidermis forms the nail bed?
Stratum basale
The two layers of the skin are ____________.
epidermis and dermis
What type of burn only involves injury to the superficial epidermis?
first
burn in which only the epidermis becomes red and swollen
first degree burn
Which of the following abnormal skin colors results from liver disorders?
jaundice
Although you get wet while swimming, which tough protein within the skin prevents it from soaking up moisture like a sponge?
keratin
cell commonly found in the epidermis that produces keratin
keratinocyte
Where are mucous membranes found?
lining the inside of the stomach
Your 70 year old grandfather shows signs of loss of hair and some baldness. What age related disorder do you suspect is the cause?
male- patterned baldness
cancer of melanocytes
malignant melanoma
Hair color is due to a pigment known as______________?
melanin
The "tanning effect" that occurs when a person is exposed to the sun is due to the increased presence of _____________.
melanin
Which of the following are pigments that contribute to skin color? A) collagen; elastic; keratin B) melanin; jaundice; erthema C) sebum; sweat; urea D) melanin; carotene; hemoglobin
melanin; carotene; hemoglobin
cell that produces a pigment known as melanin
melanocyte
Which of the following membranes lines body cavities that are open to the exterior? A) pleura B) synovial C) cutaneous D) mucous E) serous
mucous
Upper layer of the dermis that forms dermal papillae
papillary layer of the dermis
Fingerprints and footprints in the epidermis are created by dermal papillae present in ___________.
papillary layers of the dermis
Which of the following is a lubricant that keeps skin soft and moist and also contains chemicals that kill bacteria? A) sweat B) sebum C) carotene D) melanin
sebum
cancer of stratum spinosum cells
squamous cell carcinoma
superficial layer of the epidermis made of 20-30 cell layers of dead, keratin filled cells
stratum corneum
hypodermis
subcutaneous tissue
Jan got her microscope slides mixed up in lab as they were unlabeled. The slide with abundant adipose tissue should be labeled as ______________.
subcutaneous tissue (hypodermis)
The ___________ membrane lines the fibrous capsule surrounding joints.
synovial
Which of the following reduces friction in movable joints, such as the knee? A) sebum B) serous fluid C) synovial fluid D) sweat E) keratin
synovial fluid
In order to warm the body up when cold_______________.
the arrector pili muscles contract to stand hairs upright
infection of the sebaceous gland and the formation of pimples
acne
malignancy of the lowest epidermal layer
basal cell carcinoma
People who produce a lot of melanin have a skin tone that is ________.
brown
What provides toughness to the dermis and holds water in this skin layer?
collagen fibers
The outermost layer of the epidermis is keratinized and known as stratum
corneum
The only dry membrane is the _____________?
cutaneous membrane
skin inflammation
dermatitis
Nutrients reach the surface of the skin (epidermis) through the process of ________.
diffusion
What type of cutaneous gland produces sweat that cools the body upon evaporation from the skin?
eccrine glands
Which of the following is an indication of melanoma? A) a symmetrical mole B) a pigmented spot that has smooth borders C) a pigmented spot on the skin that is smaller than the size of a pencil eraser D) a pigmented spot that is all black E) a pigmented spot that contains areas of different colors
E) a pigmented spot that contains areas of different colors
Which vitamin is synthesized by the skin?
Vitamin D
Which of the following is a vital function of the skin? A) the skin converts modified epidermal cholesterol to vitamin d B) the skin aids in the transport of materials throughout the body C) the cells of the epidermis store glucose as glycogen for energy D) the skin absorbs vitamin c so that the skin will not be subject to diseases E) the skin aids in desiccation
the skin converts modified epidermal cholesterol to vitamin d.
full thickness burn of the skin in which the skin becomes blackened or blanched
third degree burn, or full thickness burn