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Integumentary System

STUDY
PLAY
A needle would pierce the epidermal layers of the forearm in which order?

A) basale, spinosum, granulosum, corneum
B) corneum, granulosum, spinosum, basale
C) basale, spinosum, granulosum, lucidum, corneum
D) granulosum, basale, spinosum, corneum
B) corneum, granulosum, spinosum, basale
Which of the following is NOT a layer of the epidermis?

A) stratum basale
B) stratum granulosum
C) stratum reticulum
D) stratum corneum
C) stratum reticulum
Sudoriferous (sweat) glands are categorized as two distinct types. Which of the following are the two types of sweat glands?

A) sebaceous and merocrine
B) mammary and ceruminous
C) holocrine and mammary
D) eccrine and apocrine
D) eccrine and apocrine
A cancerous growth on the skin will likely exhibit ________.

A) uniform coloration
B) regular borders
C) asymmetry
D) a size smaller than 6 mm
C) asymmetry
Which layer of the dermis is directly below the epidermis?

A) hypodermis
B) stratum basale
C) papillary layer
D) reticular layer
C) papillary layer
Apocrine glands, which begin to function at puberty under hormonal influence, seem to play little role in thermoregulation. Where would we find these glands in the human body?

A) beneath the flexure lines in the body
B) in the palms of the hands and soles of the feet
C) in all body regions and buried deep in the dermis
D) in the axillary and anogenital area
D) in the axillary and anogenital area
Sweat is secreted by ________.

A) mammary glands
B) ceruminous glands
C) sebaceous glands
D) sudoriferous glands
D) sudoriferous glands
The papillary layer of the dermis is connective tissue heavily invested with blood vessels. The superficial surface has structures called:

A) hair follicles.
B) reticular papillae.
C) ceruminous glands.
D) dermal papillae.
D) dermal papillae.
Which is the most common type of skin cancer?

A) melanoma
B) basal cell carcinoma
C) squamous cell carcinoma
D) adenoma
B) basal cell carcinoma
Which layer(s) of the skin is(are) damaged in a second-degree burn?

A) The epidermis and the superficial region of the dermis are damaged.
B) Only the dermis is damaged.
C) Only the epidermis is damaged.
D) All layers of the epidermis and dermis are damaged.
A) The epidermis and the superficial region of the dermis are damaged.
A dendritic or Langerhan cell is a specialized ________.

A) squamous epithelial cell
B) phagocytic cell
C) melanocyte
D) nerve cell
B) phagocytic cell
Regardless of race, all human beings have about the same number of melanocytes.
T/F
True
The epidermis consists of five layers of cells, each layer with a distinct role to play in the health, well-being, and functioning of the skin. Which of the following layers is responsible for cell division and replacement?

A) stratum lucidum
B) stratum basale
C) stratum granulosum
D) stratum corneum
B) stratum basale
Which glands produce ear wax?

A) Apocrine glands
B) Eccrine Glands
C) Ceruminous glands
D) Merocrine glands
C) Ceruminous glands
Which of the following statements is INCORRECT?

A) Melanin provides protection against ultraviolet (UV) radiation.
B) Keratinocytes produce a fibrous protein to protect the epidermis.
C) Tactile cells anchor the skin to the body.
D) Langerhans cells activate the immune system.
C) Tactile cells anchor the skin to the body.
The pinkish hue of individuals with fair skin is the result of the crimson color of oxygenated hemoglobin (contained in red blood cells) circulating in the dermal capillaries and reflecting through the epidermis.
T/F
True
Ceruminous glands are modified merocrine glands.
T/F
False