Chapter 6 Integumentary Questions – Flashcards
question
The skin carries out the first step in the synthesis of vitamin D
answer
True
question
Living keratinocytes exfoliate from the epidermis as tiny specks called dander
answer
False
question
The deeper of the two layers of the skin is the hypodermis
answer
False
question
The youngest keratinocytes are found in the stratum basale
answer
True
question
Melanin, hemoglobin, and carotene give color to the skin
answer
True
question
Albinism is the genetic lack of melanin that results in a milky white coloration of the skin.
answer
True
question
Embarrassment can be perceived by an abnormal coloration of the skin called cyanosis
answer
False
question
Freckles are elevated patches with an abnormal coloration of the skin
answer
False
question
Straight hair is round, wavy hair is oval, and curly hair is relatively flat
answer
True
question
Hair and nails are composed of collagen
answer
False
question
Merocrine sweat glands are associated with hair follicles in the pubic and anal regions, axilla, areola, and beard.
answer
False
question
Pattern baldness is relatively rare in women because women have lower testosterone levels than men.
answer
True
question
The acidity of sweat contributes to the acid mantle that inhibits bacterial growth in the skin.
answer
True
question
Debridement is not necessary to infection control
answer
False
question
The three forms of skin cancer are defined by the types of cells in which they originate.
answer
True
question
The skin does not include
answer
the hypodermis
question
These are all types of cells found in the epidermis except
answer
fibroblasts
question
Skin covering the __________ has sweat glands but no hair follicles or sebaceous (oil) glands.
answer
fingertips
question
Most of the skin is ___________ mm thick
answer
1 to 2
question
This image shows structures of the skin and subcutaneous tissue. What does "3" represent?
answer
hypodermis
question
This image shows structures of the skin and subcutaneous tissue. What does "1" represent?
answer
epidermis
question
This image shows structures of the skin and subcutaneous tissue. ________ are found in the layer of the skin represented as "2".
answer
Collagen and fibroblasts
question
This image shows structures of the skin and subcutaneous tissue. Layer "1" represents _____, whereas layer "2" represents ___________.
answer
stratified squamous epithelium; dense irregular connective tissue
question
This image shows strata and cell types of the epidermis. ________ represents a living keratinocyte belonging to the stratum basale
answer
"5"
question
This image shows strata and cell types of the epidermis. "2" represents a _________, whereas "4" represents a _________.
answer
living keratinocyte; melanocyte
question
This layer of the epidermis consists of up to 30 layers of dead cells
answer
stratum corneum
question
Which of the following are associated with the sense of touch?
answer
tactile (Merkel) cells
question
The fastest rate of mitosis happens in the
answer
stratum basale
question
These cells stand guard against toxins, microbes and other pathogens.
answer
dendritic (Langerhans) cells
question
Fingerprints left on things we touch are associated with
answer
dermal papillae
question
Calluses or corns are the result of accelerated multiplication of
answer
keratinocytes
question
The ___ is absent from most epidermis
answer
Stratum lucidum
question
. Leather is mostly made of the __________ layer of the dermis, which is very tough due to the high concentration of ____________ fibers
answer
reticular; collagen
question
Hypodermis is usually has an abundance of in this tissue
answer
adipose tissue
question
The skin discoloration most likely to suggest physical abuse is
answer
hematoma
question
The reddish color of the skin of the lips is primarily due to this pigment
answer
hemoglobin
question
This skin color is most likely to result from anemia
answer
pallor
question
Bilirubin causes a skin discoloration called
answer
jaundice
question
Ethnic differences in skin color are primarily caused by differences in
answer
quantity of melanin produced
question
A ___ is an elevated patch of melanized skin.
answer
mole
question
A pilus is
answer
hair
question
The hair present only prenatally is called ___________, most of which is replaced by ____________ by the time of birth.
answer
lanugo; vellus
question
The _________ provides the hair with its sole source of nutrition
answer
dermal papilla
question
This image shows the structure of a hair and its follicle. What does "1" represent?
answer
bulb
question
The contraction of the piloerector muscles (pilomotor muscle or arrector pili) in humans causes
answer
hairs to stand on end with no apparent function.
question
A hair cycle consists of three developmental stages in the following order
answer
anagen, catagen, and telogen.
question
Each hair grows in an oblique epithelial tube called a(an)
answer
hair follicle
question
Excessive hairiness is called
answer
hirsutism
question
The narrow zone of dead skin overhanging the proximal end of a nail is called
answer
eponychium (cuticle)
question
This image shows the anatomy of a fingernail. What does "2" represent?
answer
lunule
question
Variations in hair color arise from the relative amounts of
answer
eumelanin and pheomelanin.
question
Mitosis in the __________ accounts for growth of the nail.
answer
nail matrix
question
The oil of your scalp is secreted by __________ glands associated with the hair follicles.
answer
sebaceous
question
Secretions from __________ glands contribute the acid mantle that inhibits bacterial growth on the skin.
answer
merocrine sweat
question
____________ is/are formed partly from the secretions of glands in the external ear canal.
answer
Cerumen
question
This image shows cutaneous glands. The name of structure "1" is
answer
apocrine gland
question
The cutaneous glands concerned with cooling the body are
answer
merocrine glands
question
The ___ are a source of sex pheromones
answer
apocrine glands
question
Mammary glands are modified ___________ glands that develop within the female breast, whereas ____________ are present in both sexes
answer
apocrine; breasts
question
Which two strata of the epidermis are most susceptible to cancer?
answer
spinosum and basale
question
The "ABCD rule" for recognizing early signs of malignant melanoma refers to the following characteristics of the lesion
answer
asymmetry, border irregularity, color, and diameter
question
The least common but most deadly type of skin cancer is
answer
malignant melanoma
question
Basal cell carcinoma initially affects cells of the stratum __________, whereas malignant melanoma arises from ___________.
answer
basale; melanocytes
question
_____________ burns involve the epidermis, all of the dermis, and often some deeper tissue.
answer
Third-degree
question
The most immediate threat to the life of a patient with severe burns is
answer
fluid loss
Unlock all answers in this set
Unlock answersquestion
The skin carries out the first step in the synthesis of vitamin D
answer
True
question
Living keratinocytes exfoliate from the epidermis as tiny specks called dander
answer
False
question
The deeper of the two layers of the skin is the hypodermis
answer
False
question
The youngest keratinocytes are found in the stratum basale
answer
True
question
Melanin, hemoglobin, and carotene give color to the skin
answer
True
question
Albinism is the genetic lack of melanin that results in a milky white coloration of the skin.
answer
True
question
Embarrassment can be perceived by an abnormal coloration of the skin called cyanosis
answer
False
question
Freckles are elevated patches with an abnormal coloration of the skin
answer
False
question
Straight hair is round, wavy hair is oval, and curly hair is relatively flat
answer
True
question
Hair and nails are composed of collagen
answer
False
question
Merocrine sweat glands are associated with hair follicles in the pubic and anal regions, axilla, areola, and beard.
answer
False
question
Pattern baldness is relatively rare in women because women have lower testosterone levels than men.
answer
True
question
The acidity of sweat contributes to the acid mantle that inhibits bacterial growth in the skin.
answer
True
question
Debridement is not necessary to infection control
answer
False
question
The three forms of skin cancer are defined by the types of cells in which they originate.
answer
True
question
The skin does not include
answer
the hypodermis
question
These are all types of cells found in the epidermis except
answer
fibroblasts
question
Skin covering the __________ has sweat glands but no hair follicles or sebaceous (oil) glands.
answer
fingertips
question
Most of the skin is ___________ mm thick
answer
1 to 2
question
This image shows structures of the skin and subcutaneous tissue. What does "3" represent?
answer
hypodermis
question
This image shows structures of the skin and subcutaneous tissue. What does "1" represent?
answer
epidermis
question
This image shows structures of the skin and subcutaneous tissue. ________ are found in the layer of the skin represented as "2".
answer
Collagen and fibroblasts
question
This image shows structures of the skin and subcutaneous tissue. Layer "1" represents _____, whereas layer "2" represents ___________.
answer
stratified squamous epithelium; dense irregular connective tissue
question
This image shows strata and cell types of the epidermis. ________ represents a living keratinocyte belonging to the stratum basale
answer
"5"
question
This image shows strata and cell types of the epidermis. "2" represents a _________, whereas "4" represents a _________.
answer
living keratinocyte; melanocyte
question
This layer of the epidermis consists of up to 30 layers of dead cells
answer
stratum corneum
question
Which of the following are associated with the sense of touch?
answer
tactile (Merkel) cells
question
The fastest rate of mitosis happens in the
answer
stratum basale
question
These cells stand guard against toxins, microbes and other pathogens.
answer
dendritic (Langerhans) cells
question
Fingerprints left on things we touch are associated with
answer
dermal papillae
question
Calluses or corns are the result of accelerated multiplication of
answer
keratinocytes
question
The ___ is absent from most epidermis
answer
Stratum lucidum
question
. Leather is mostly made of the __________ layer of the dermis, which is very tough due to the high concentration of ____________ fibers
answer
reticular; collagen
question
Hypodermis is usually has an abundance of in this tissue
answer
adipose tissue
question
The skin discoloration most likely to suggest physical abuse is
answer
hematoma
question
The reddish color of the skin of the lips is primarily due to this pigment
answer
hemoglobin
question
This skin color is most likely to result from anemia
answer
pallor
question
Bilirubin causes a skin discoloration called
answer
jaundice
question
Ethnic differences in skin color are primarily caused by differences in
answer
quantity of melanin produced
question
A ___ is an elevated patch of melanized skin.
answer
mole
question
A pilus is
answer
hair
question
The hair present only prenatally is called ___________, most of which is replaced by ____________ by the time of birth.
answer
lanugo; vellus
question
The _________ provides the hair with its sole source of nutrition
answer
dermal papilla
question
This image shows the structure of a hair and its follicle. What does "1" represent?
answer
bulb
question
The contraction of the piloerector muscles (pilomotor muscle or arrector pili) in humans causes
answer
hairs to stand on end with no apparent function.
question
A hair cycle consists of three developmental stages in the following order
answer
anagen, catagen, and telogen.
question
Each hair grows in an oblique epithelial tube called a(an)
answer
hair follicle
question
Excessive hairiness is called
answer
hirsutism
question
The narrow zone of dead skin overhanging the proximal end of a nail is called
answer
eponychium (cuticle)
question
This image shows the anatomy of a fingernail. What does "2" represent?
answer
lunule
question
Variations in hair color arise from the relative amounts of
answer
eumelanin and pheomelanin.
question
Mitosis in the __________ accounts for growth of the nail.
answer
nail matrix
question
The oil of your scalp is secreted by __________ glands associated with the hair follicles.
answer
sebaceous
question
Secretions from __________ glands contribute the acid mantle that inhibits bacterial growth on the skin.
answer
merocrine sweat
question
____________ is/are formed partly from the secretions of glands in the external ear canal.
answer
Cerumen
question
This image shows cutaneous glands. The name of structure "1" is
answer
apocrine gland
question
The cutaneous glands concerned with cooling the body are
answer
merocrine glands
question
The ___ are a source of sex pheromones
answer
apocrine glands
question
Mammary glands are modified ___________ glands that develop within the female breast, whereas ____________ are present in both sexes
answer
apocrine; breasts
question
Which two strata of the epidermis are most susceptible to cancer?
answer
spinosum and basale
question
The "ABCD rule" for recognizing early signs of malignant melanoma refers to the following characteristics of the lesion
answer
asymmetry, border irregularity, color, and diameter
question
The least common but most deadly type of skin cancer is
answer
malignant melanoma
question
Basal cell carcinoma initially affects cells of the stratum __________, whereas malignant melanoma arises from ___________.
answer
basale; melanocytes
question
_____________ burns involve the epidermis, all of the dermis, and often some deeper tissue.
answer
Third-degree
question
The most immediate threat to the life of a patient with severe burns is
answer
fluid loss
