Deck 22: Integumentary System and Pathologies

Question 1

Which structure attaches to hair follicles and pulls hair upright?

A) Arrector pili
B) Langerhans cells
C) Superficial fascia
D) Meissner corpuscles

Answer 1

A
Explanation: Arrector pili are muscles attached to hair follicles. These muscles contract to pull the hair shaft upright.

Question 2

Which structures are pouchlike and have hair arising from them?

A) Sebaceous glands
B) Sudoriferous glands
C) Sinuses
D) Follicles

Answer 2

D
Explanation: Hair is composed of keratinized filaments arising from pouchlike follicles located in the dermis. The hair shaft protrudes through a pore located in the epidermis.

Question 3

Which types of gland produces oil?

A) Eccrine
B) Endocrine
C) Sebaceous
D) Sudoriferous

Answer 3

C
Explanation: Sebaceous glands, or oil glands, produce sebum (oil). These glands are connected to hair follicles by small ducts.

Question 4

Which type are the most numerous sweat glands?

A) Eccrine
B) Apocrine
C) Mammary
D) Ceruminous

Question 5

Which region contains blood vessels, nerve receptors, hair follicles, and skin glands?

A) Dermis
B) Epidermis
C) Hypodermis
D) Subcutaneous

Question 6

Collagen constitutes what percentage of the dermis?

A) 20%
B) 50%
C) 70%
D) 100%

Question 7

Which term refers to pale skin?

A) Pallor
B) Jaundice
C) Melasma
D) Cyanosis

Question 8

Which term refers to the hard plates found on distal surfaces of fingers and toes?

A) Hair
B) Nails
C) Glands
D) Corpuscle

Question 9

Which area is the site of nail production?

A) Lunula
B) Cuticle
C) Bed
D) Root

Question 10

Which type of gland regulates body temperature and eliminates wastes?

A) Endocrine
B) Sebaceous
C) Ceruminous
D) Sudoriferous

Question 11

Which mechanism does the skin use to regulate temperature?

A) Tanning
B) Sweating
C) Absorption
D) Keratinization

Question 12

Which type of cell produces pigment that contributes to skin color?

A) Melanocyte
B) Keratinocyte
C) Dendritic
D) Meissner

Question 13

Which substance waterproofs the skin?

A) Elastin
B) Keratin
C) Adipose
D) Collagen

Question 14

Which region is known as "true skin?"

A) Dermis
B) Epidermis
C) Hypodermis
D) Subcutaneous

Question 15

What is another term for the subcutaneous layer?

A) Dermis
B) Epidermis
C) Hypodermis
D) Submuscular

Question 16

Which region is relatively avascular?

A) Dermis
B) Epidermis
C) Hypodermis
D) Subcutaneous

Question 17

Which term refers to the tough ridge of skin that grows out over the nail from its base?

A) Lunula
B) Cuticle
C) Nail bed
D) Nail root

Question 18

Which substance gives skin a golden color?

A) Melanin
B) Carotene
C) Collagen
D) Hemoglobin

Question 19

Skin helps synthesize which vitamin?

A) A
B) E
C) C
D) D

Question 20

Which type of cell triggers immune responses?

A) Melanocyte
B) Keratinocyte
C) Dendritic cell
D) Meissner cell

Question 21

Which receptor detects heavy pressure and continuous touch?

A) Hair root plexus
B) Ruffini corpuscle
C) Nociceptor
D) Pacinian corpuscle

Question 22

Which condition causes accelerated proliferation of epidermal cells, leading to a buildup of thick skin in patches?

A) Eczema
B) Shingles
C) Impetigo
D) Psoriasis

Question 23

Which condition is characterized by rough, raised masses of skin tissue and caused by the human papilloma virus?

A) Boils
B) Warts
C) Seborrheic dermatitis
D) Herpes simplex

Question 24

Which condition is an acute, localized viral infection caused by reactivation of the chickenpox virus?

A) Shingles
B) Psoriasis
C) Herpes simplex
D) Decubitus ulcers

Question 25

Which term means excessive decreases in body temperature?

A) Thermogenesis
B) Thermoregulation
C) Hyperthermia
D) Hypothermia

Question 26

Which receptor is also known as a tactile corpuscle and detects light pressure?

A) Hair root plexus
B) Nociceptor
C) Meissner corpuscle
D) Pacinian corpuscle

Question 27

Which receptor is an example of encapsulated nerve endings?

A) Meissner corpuscle
B) Nociceptor
C) Merkel disk
D) Hair root plexus

Question 28

Which term refers to activating body responses to bring temperature back to normal range?

A) Thermogenesis
B) Thermoregulation
C) Hyperthermia
D) Hypothermia

Question 29

Which skin condition is noncontagious?

A) Eczema
B) Impetigo
C) Ringworm
D) Scabies

Question 30

Which condition is an infection of hair follicles?

A) Boils
B) Warts
C) Ringworm
D) Herpes simplex

Question 31

Which type of receptor wrap around follicles and resemble a net or web?

A) Hair root plexus
B) Nociceptors
C) Meissner corpuscles
D) Pacinian corpuscles

Question 32

Which condition is localized injury to the skin and underlying tissues usually over a bony prominence from sustained pressure?

A) Shingles
B) Athlete's foot
C) Herpes simplex
D) Decubitus ulcers

Question 33

Which type of receptor detects changes in temperature?

A) Krause corpuscle
B) Ruffini corpuscle
C) Hair root plexus
D) Nociceptor

Question 34

The hands, forearms, arms, face, lips, and tongue make up what percentage of the postcentral gyrus?

A) 20%
B) 40%
C) 60%
D) 80%

Question 35

Which receptor detects deep pressure, vibration, and stretch?

A) Hair root plexus
B) Thermoreceptor
C) Meissner corpuscle
D) Pacinian corpuscle

Question 36

Which part of the brain receives sensations from skin receptors and tracks them back to which area of the body is being stimulated?

A) Postcentral gyrus
B) Wernicke area
C) Occipital lobe
D) Prefrontal cortex

Question 37

Which condition is a recurrent viral infection?

A) Eczema
B) Impetigo
C) Seborrheic dermatitis
D) Herpes simplex

Question 38

Which condition occurs most often on the soles and between the toes?

A) Shingles
B) Athlete's foot
C) Herpes simplex
D) Decubitus ulcer

Question 39

Which condition is a fungal infection often transmitted by direct contact with cats and dogs?

A) Eczema
B) Impetigo
C) Ringworm
D) Psoriasis

Question 40

Which condition is a bacterial skin infection that occurs mainly around the mouth, nose, and hands and that is more common in children?

A) Eczema
B) Impetigo
C) Seborrheic dermatitis
D) Herpes simplex