Chapter 5 Quiz Show Flashcards
Which layer of the skin has NO blood vessels?
a. Dermis
b. Epidermis
c. Hypodermis
d. Papillary
b. epidermis
Which layer is NOT part of your skin?
a. Dermis
b. Epidermis
c. Hypodermis
d. Papillary
c. Hypodermis
The skin makes up what percentage of body weight in the average adult?
a. 4%
b. 7%
c. 10%
d. 18%
b. 7%
All of the following contribute to skin color EXCEPT _________.
a. hemoglobin
b. carotene
c. keratin
d. melanin
c. keratin
This layer of the skin is responsible for our fingerprints.
a. Reticular dermis
b. Epidermis
c. Hypodermis
d. Papillary dermis
d. Papillary dermis
Mitosis occurs primarily in which stratum of the epidermis?
a. Basale
b. Corneum
c. Granulosum
d. Spinosum
a. basale
What protein gives the epidermis its protective properties?
a. Carotene
b. Collagen
c. Keratin
d. Melanin
c. keratin
Which cells in the epidermis are key activators of the immune system?
a. Keratinocytes
b. Melanocytes
c. Dendritic cells
d. Tactile cells
c. Dendritic cells
Dogs track humans by the scent of epithelial cells that are constantly being shed. These cells shed from which stratum?
a. Basale
b. Corneum
c. Granulosum
d. Spinosum
b. corneum
In which layer of the epidermis would you expect to find the healthiest cells?
a. Basale
b. Corneum
c. Granulosum
d. Papillary
a. Basale
The dermis is composed of what type of tissue?
a. Adipose
b. Connective
c. Epithelial
d. Stratified squamous
b. connective
Which of the following is NOT associated with the dermis?
a. Blood vessels
b. Collagen
c. Elastin
d. Keratin
d. keratin
Which layer of the dermis is composed of dense irregular connective tissue?
a. Epidermis
b. Reticular layer
c. Hypodermis
d. Papillary layer
b. reticular layer
Which layer of the dermis is closest to the epidermis?
a. Stratum basale
b. Stratum corneum
c. Papillary layer
d. Reticular layer
c. papillary layer
Peglike folds of the superficial layer of the dermis are called dermal ________.
a. corpuscles
b. papillae
c. flexures
d. ridges
b. papillae
Sudoriferous glands are also known as _________ glands.
a. ceruminous
b. endocrine
c. sebaceous
d. sweat
d. sweat
What is sweat mostly composed of?
a. Sodium chloride
b. Antibodies
C. Water
d. Metabolic wastes
c. water
The sweat glands that are important in body temperature regulation are the ______ glands.
a. eccrine
b. apocrine
c. ceruminous
d. sebaceous
a. eccrine
This gland, found in the skin, is also a holocrine gland.
a. Endocrine
b. Ceruminous
c. Sebaceous
d. Sudoriferous
c. sebaceous
Which of the following is NOT an accessory gland of the skin?
a. Sebaceous gland
b. Ceruminous gland
c. Mammary gland
d. All are accessory glands of the skin.
d. all are accessory glands of the skin
Hair and nails are modifications of the ________.
a. dermis
b. epidermis
c. hypodermis
d. none of the above, because they are not part of the skin
b. epidermis
The protein found in our hair and nails is ________.
a. collagen
b. carotene
c. elastin
d. keratin
d. keratin
The smooth muscle associated with a hair follicle is called _________.
a. arrector pili
b. arrector vellus
c. alopecia areata
d. erector folliculi
a. arrector pili
All of the following are associated with hair EXCEPT _________.
a. cuticle
b. matrix
c. medulla
d. lunule
d. lunule
