Anatomy And Physiology Questions - The Integumentary System
Questions about the skin. Apparently linked to the "Adolescence" case unit, don't know why. . . Also a few questions about wound healing linked to the "Childhood" case unit.
- 1.This is another name for the subcutaneous layer.
- A.
Dermis
- B.
Epidermis
- C.
Corpuscle
- D.
Basale
- E.
Hypodermis
- 2.This layer is composed of keratinized stratified squamous epithelium.
- A.
Epidermis
- B.
Dermis
- C.
Hypodermis
- D.
Subcutaneous
- E.
Corpuscle
- 3.Keratin
- A.
Is a protein
- B.
Helps protect the bone from viruses
- C.
Is a protein that is made of melanocytes
- D.
Both a and c
- E.
All of the above
- 4.This pigment absorbs ultraviolet light.
- A.
Keratin
- B.
Melanin
- C.
Melatonin
- D.
Carotene
- E.
Nigrosin
- 5.This epidermal cell has a role in immunity and disease resistance.
- A.
Langerhans
- B.
Keratinocytes
- C.
Melanocyte
- D.
Merkel cell
- E.
Corpuscle
- 6.This layer of epidermis is composed of a single row of cuboidal or columnar keratinocytes.
- A.
Stratum basale
- B.
Stratum spinosum
- C.
Stratum granulosum
- D.
Stratum lucidum
- E.
Stratum corneum
- 7.This layer of the epidermis contains layers of flattened keratinocytes that are going through apoptosis.
- A.
Stratum basale
- B.
Stratum spinosum
- C.
Stratum granulosum
- D.
Stratum lucidum
- E.
Stratum corneum
- 8.The stratum lucidum
- A.
Contains lamellar granules
- B.
Lies just superficially to stratum basale
- C.
Is the layer used in a skin graft
- D.
Is present only in thick skin
- E.
Consists of 25-30 layers of dead keratinocytes
- 9.Constant exposure of skin to friction stimulates the formation of a callus which is the thickening of which layer?
- A.
Stratum basale
- B.
Stratum spinosum
- C.
Stratum granulosum
- D.
Stratum lucidum
- E.
Stratum corneum
- 10.Keratinization
- A.
Is the process of synthesizing pigment in the skin
- B.
Is the process of cells accumlating keratin
- C.
Is only seen in thin skin
- D.
Is the process of synthesizing pigment and accumulating keratin
- E.
None of the above
- 11.This layer is composed mainly of connective tissue with collagen and elastic fibres.
- A.
Hypodermis
- B.
Basement membrane
- C.
Epidermis
- D.
Dermis
- E.
Subcutaneous
- 12.Albinism
- A.
Is the absence of melanin
- B.
Is the absence of carotene
- C.
Is the absence of both melanin and carotene
- D.
Is the absence of keratin
- E.
Is the absence of thick skin
- 13.Thick skin
- A.
Is found in the palms, soles of the feet and fingertips
- B.
Does not contain hair follicles
- C.
Contains more sweat glands than thin skin
- D.
Contains epidermal ridges
- E.
All of the above
- 14.Which of the following plays an important role in thermoregulation?
- A.
Merkel cell
- B.
Sebaceous gland
- C.
Sweat gland
- D.
Nail
- E.
Fingerprint
- 15.This skin structure acts to prevent water loss as well as inhibiting bacterial growth on the surface of the skin.
- A.
Thick skin
- B.
Nails
- C.
Sweat glands
- D.
Hair
- E.
Oil glands
- 16.This is fine nonpigmented hair that covers the body of the fetus.
- A.
Alopecia
- B.
Vellus
- C.
Lanugo
- D.
Hair follicles
- 17.This type of gland is a branched acinar gland connected to a hair follicle.
- A.
Sebaceous
- B.
Sudoriferous
- C.
Both sebaceous and sudoriferous
- D.
None of the above
- 18.This is a mixture of triglycerides, cholesterol, proteins and inorganic salts.
- A.
Sweat
- B.
Lanugo
- C.
Vellus
- D.
Sebum
- E.
Mucus
- 19.This type of gland is a coiled tubular gland found almost throughout the entirety of the skin.
- A.
Sebaceous
- B.
Eccrine
- C.
Appocrine
- D.
Ceruminous
- E.
None of the above
- 20.What is the function of skin?
- A.
Thermoregulation
- B.
Protection
- C.
Secretion and absorption
- D.
Vitamin D synthesis
- E.
All of the above
- 21.What are the steps in epidermal wound healing?
- A.
Epidermal injury - basal cells break contact with the basement membrane - basal cells enlarge and migrate across the wound - contact inhibition
- B.
Epidermal injury - basal cells enlarge and migrate across the wound - basal cells break contact with the basement membrane - contact inhibition
- C.
Epidermal injury - contact inhibition - basal cells enlarge and migrate across the wound - basal cells break contact with the basement membrane
- D.
Epidermal injury - basal cells break contact with the basement membrane - contact inhibition - basal cells enlarge and migrate across the wound
- E.
Epidermal injury - basal cells enlarge and migrate across the wound - contact inhibition - basal cells break contact with the basement membrane
- 22.What happens in the maturation phase of a deep wound healing?
- A.
The scab sloughs off
- B.
Collagen fibres become more organised
- C.
Fibroblasts decrease in number
- D.
Blood vessels are restored to normal
- E.
All of the above
- 23.What are the steps in deep wound healing?
- A.
Wound formation - migratory phase - maturation phase - inflammation
- B.
Wound formation - inflammation - migratory phase - maturation phase
- C.
Wound formation - inflammation - maturation phase - migratory phase
- D.
Wound formation - migratory phase - inflammation - maturation phase
- E.
Wound formation - maturation phase - inflammation - migratory phase
- 24.In this type of scarring, the scar tissue extends beyond the boundary of the injury into normal tissue.
- A.
Hypertrophic
- B.
Keloid
- C.
Proliferative
- D.
Inhibitory
- E.
Granulatory
- 25.
In the diagram, where is the sebaceous gland?- A.
C
- B.
D
- C.
E
- D.
F
- E.
H
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