Deck 11: Integumentary System

Question 1

Which of the following epidermal layers is closest to the dermis?

A) Stratum corneum
B) Stratum germinativum
C) Stratum granulosum
D) Stratum lucidum
E) Stratum spinosum

Answer 1

B
Stratum germinativum

Question 2

_____ glands disperse secretory vesicles by bursting, resulting in the death of the cell

A) Apocrine
B) Endocrine
C) Exocrine
D) Holocrine
E) Merocrine

Answer 2

D
Nociceptors

Question 3

The primary cells of the epidermis are

A) Basal cells
B) Keratinocytes
C) Langerhans cells
D) Melanocytes
E) Merkel cells

Answer 3

B
Keratinocytes

Question 4

Which of the following is NOT true of the stratum spinosum?

A) It contains immunity-conferring cells called Langerhans cells
B) It is also called the "spiny" layer
C) It is comprised mostly of keratinocytes
D) It is superficial to the stratum granulosum and the stratum germinativum
E) Keratins 5 and 14 are replaced by keratins 1 and 10 following basal keratinocyte migration

Question 5

Which of the following sensory receptors is activated by painful stimuli?

A) Mechanoreceptors
B) Meissner corpuscles
C) Merkel disks
D) Nociceptors
E) Pacinian corpuscles

Question 6

The _____ is a vascularized, innervated structure where new hair growth occurs

A) Arrector pili
B) Dermal papilla
C) Hair follicle
D) Hair root plexus
E) Hair shaft

Question 7

These cells are responsible for producing a pigment that protects underlying tissue from ultraviolet radiation

A) Basal (satellite) cells
B) Keratinocytes
C) Langerhans cells
D) Melanocytes
E) Merkel cells

Question 8

These merocrine simple coiled tubular glands are found all over the body

A) Apocrine sweat glands
B) Ceruminous glands
C) Eccrine sweat glands
D) Sebaceous follicles
E) Sebaceous glands

Question 9

Nail production occurs at the nail _____.

A) Bed
B) Body
C) Eponychium
D) Hyponychium
E) Matrix

Question 10

Which of the following is NOT true of the hypodermis?

A) It contains muscles in the head and neck
B) It helps to insulate and cushion underlying tissue
C) It is considered to be the third layer of the skin
D) It is made up primarily of adipose and areolar tissue
E) It secures the cutaneous membrane to underlying tissue

Question 11

Langerhans cells

A) Are located in the stratum basale of the epidermis
B) Are mechanoreceptor cells
C) Can be found within a cornified cell envelope
D) Have granules in their cytoplasm
E) Present antigens to T cells as part of the immune response