Chapter 4 – The Integumentary System

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Integument: Structure, Function &

Factors

The Epidermis

The Dermis & Hypodermis

Accessory Structures

Clinical Terms & Cases

FINAL ROUND

Topic 1:

$100 Question

Which of the following is not a primary function of the integument?

a. thermoregulation

b. absorption

c. excretion

d. sensory informationBACK TO GAME

ANSWER

Topic 1:

$100 Answer

Which of the following is not a primary function of the integument?

a. thermoregulation

b. absorption

c. excretion

d. sensory informationBACK TO GAME

Topic 1:

$200 Question

Which of the following is converted to vitamin A, which is required for epithelial maintenance?

a. melanin

b. carotene

c. keratin

d. melanosomeBACK TO GAME

ANSWER

Topic 1:

$200 Answer

Which of the following is converted to vitamin A, which is required for epithelial maintenance?

a. melanin

b. carotene

c. keratin

d. melanosomeBACK TO GAME

Topic 1:

$300 Question

Fingerprint ridge patterns on the fingertips are unique to each person and are determined by:

a. genetics

b. epidermal ridges

c. dermal papillae

d. All of the above.BACK TO GAME

ANSWER

Topic 1:

$300 Answer

Fingerprint ridge patterns on the fingertips are unique to each person and are determined by:

a. genetics

b. epidermal ridges

c. dermal papillae

d. All of the above.BACK TO GAME

Topic 1:

$400 Question

The skin’s condition known as cyanosis, is a response to the following except:

a. extreme cold

b. severe asthma

c. extreme heat

d. heart failureBACK TO GAME

ANSWER

Topic 1:

$400 Answer

The skin’s condition known as cyanosis, is a response to the following except:

a. extreme cold

b. severe asthma

c. extreme heat

d. heart failureBACK TO GAME

Topic 1:

$500 Question

Which of the following, as a whole, protects the underlying dermis?

a. melanin

b. carotene

c. keratin

d. a and cBACK TO GAME

ANSWER

Topic 1:

$500 Answer

Which of the following, as a whole, protects the underlying dermis?

a. melanin

b. carotene

c. keratin

d. a and cBACK TO GAME

Topic 2:

$100 Question

Merkel cells are found in the:

a. stratum spinosum

b. stratum granulosum

c. stratum germinativum

d. a and b

BACK TO GAME

ANSWER

Topic 2:

$100 Answer

Merkel cells are found in the:

a. stratum spinosum

b. stratum granulosum

c. stratum germinativum

d. a and b

BACK TO GAME

Topic 2:

$200 Question

Which of the following layers is not found in thin skin?

a. stratum germinativum

b. stratum lucidum

c. stratum granulosum

d. stratum spinosumBACK TO GAME

ANSWER

Topic 2:

$200 Answer

Which of the following layers is not found in thin skin?

a. stratum germinativum

b. stratum lucidum

c. stratum granulosum

d. stratum spinosumBACK TO GAME

Topic 2:

$300 Question

The color of the epidermis is due to a combination of the following except:

a. carotene

b. dermal blood supply

c. melanin

d. vitamin DBACK TO GAME

ANSWER

Topic 2:

$300 Answer

The color of the epidermis is due to a combination of the following except:

a. carotene

b. dermal blood supply

c. melanin

d. vitamin DBACK TO GAME

Topic 2:

$400 Question

The length of time for a cell to migrate from the stratum germinativum to the stratum corneum is approximately:

a. 10-25 days

b. 12-27 days

c. 15-30 days

d. 20-35 daysBACK TO GAME

ANSWER

Topic 2:

$400 Answer

The length of time for a cell to migrate from the stratum germinativum to the stratum corneum is approximately:

a. 10-25 days

b. 12-27 days

c. 15-30 days

d. 20-35 daysBACK TO GAME

Topic 2:

$500 Question

Which of the following forms bundles of protein filaments, that extend from one side of the cell to the other, in keratinocytes of the stratum spinosum?

a. keratin

b. tonofibrils

c. macula adherens

d. keratohyalinBACK TO GAME

ANSWER

Topic 2:

$500 Answer

Which of the following forms bundles of protein filaments, that extend from one side of the cell to the other, in keratinocytes of the stratum spinosum?

a. keratin

b. tonofibrils

c. macula adherens

d. keratohyalinBACK TO GAME

Topic 3:

$100 Question

Which of the following is the deeper layer of the dermis, comprised of dense irregular connective tissue?

a. subcutaneous layer

b. papillary layer

c. reticular layer

d. hypodermisBACK TO GAME

ANSWER

Topic 3:

$100 Answer

Which of the following is the deeper layer of the dermis, comprised of dense irregular connective tissue?

a. subcutaneous layer

b. papillary layer

c. reticular layer

d. hypodermisBACK TO GAME

Topic 3:

$200 Question

Dermal papillae:

a. project into the papillary layer.

b. project between the epidermal ridges.

c. consists of fibers in an interwoven meshwork of dense irregular connective tissue.

d. b and cBACK TO GAME

ANSWER

Topic 3:

$200 Answer

Dermal papillae:

a. project into the papillary layer.

b. project between the epidermal ridges.

c. consists of fibers in an interwoven meshwork of dense irregular connective tissue.

d. b and cBACK TO GAME

Topic 3:

$300 Question

The subcutaneous layer:

a. helps reduce heat loss in infants.

b. is an integral part of the integument.

c. is evenly distributed throughout the body.

d. All of the above.BACK TO GAME

ANSWER

Topic 3:

$300 Answer

The subcutaneous layer:

a. helps reduce heat loss in infants.

b. is an integral part of the integument.

c. is evenly distributed throughout the body.

d. All of the above.BACK TO GAME

Topic 3:

$400 Question

Which of the following statements regarding the blood supply to the skin is false?

a. Arteries and veins supplying the skin form an interconnected network in the subcutaneous layer along the border with the papillary layer.

b. Upon reaching the reticular layer, small arteries enter a branching network known as the subpapillary plexus.

c. From the subpapillary layer, capillary loops follow the contours of the epidermal/dermal boundary.

d. a and bBACK TO GAME

ANSWER

Topic 3:

$400 Answer

Which of the following statements regarding the blood supply to the skin is false?

a. Arteries and veins supplying the skin form an interconnected network in the subcutaneous layer along the border with the papillary layer.

b. Upon reaching the reticular layer, small arteries enter a branching network known as the subpapillary plexus.

c. From the subpapillary layer, capillary loops follow the contours of the epidermal/dermal boundary.

d. a and bBACK TO GAME

Topic 3:

$500 Question

Which of the following cell populations do not exist in the dermis?

a. melanocytes

b. lymphocytes

c. keratinocytes

d. a and cBACK TO GAME

ANSWER

Topic 3:

$500 Answer

Which of the following cell populations do not exist in the dermis?

a. melanocytes

b. lymphocytes

c. keratinocytes

d. a and cBACK TO GAME

Topic 4:

$100 Question

The accessory structures of the integument include:

a. hair follicles

b. sebaceous glands

c. sudoriferous glands

d. All of the above.BACK TO GAME

ANSWER

Topic 4:

$100 Answer

The accessory structures of the integument include:

a. hair follicles

b. sebaceous glands

c. sudoriferous glands

d. All of the above.BACK TO GAME

Topic 4:

$200 Question

The portion of the nail where the vessels are obscured is known as the:

a. eponychium

b. lunula

c. hyponychium

d. nail rootBACK TO GAME

ANSWER

Topic 4:

$200 Answer

The portion of the nail where the vessels are obscured is known as the:

a. eponychium

b. lunula

c. hyponychium

d. nail rootBACK TO GAME

Topic 4:

$300 Question

Mammary glands are examples of which type of gland?

a. apocrine gland

b. ceruminous gland

c. merocrine gland

d. modified sebaceous glandBACK TO GAME

ANSWER

Topic 4:

$300 Answer

Mammary glands are examples of which type of gland?

a. apocrine gland

b. ceruminous gland

c. merocrine gland

d. modified sebaceous glandBACK TO GAME

Topic 4:

$400 Question

Which layer does not extend the entire length of the hair follicle?

a. internal root sheath

b. external root sheath

c. glassy membrane

d. cuticleBACK TO GAME

ANSWER

Topic 4:

$400 Answer

Which layer does not extend the entire length of the hair follicle?

a. internal root sheath

b. external root sheath

c. glassy membrane

d. cuticleBACK TO GAME

Topic 4:

$500 Question

Which of the following is not a characteristic or function of sebum?

a. Inhibits bacterial growth

b. Protects the keratin of the hair shaft

c. Comprised of protein products, which are released by sebaceous gland cells

d. Conditions the surrounding skin of the hair shaft

BACK TO GAME

ANSWER

Topic 4:

$500 Answer

Which of the following is not a characteristic or function of sebum?

a. Inhibits bacterial growth

b. Protects the keratin of the hair shaft

c. Comprised of protein products, which are released by sebaceous gland cells

d. Conditions the surrounding skin of the hair shaft

BACK TO GAME

Topic 5:

$100 Question

“Dry skin” is clinically known as:

a. psoriasis

b. hyperkeratosis

c. xerosis

d. dermatitis

BACK TO GAME

ANSWER

Topic 5:

$100 Answer

“Dry skin” is clinically known as:

a. psoriasis

b. hyperkeratosis

c. xerosis

d. dermatitis

BACK TO GAME

Topic 5:

$200 Question

Cancerous melanocytes grow rapidly and metastasize throughout the lymphatic system in cases of:

a. malignant melanomas

b. squamous cell carcinoma

c. basal cell carcinoma

d. None of the above.BACK TO GAME

ANSWER

Topic 5:

$200 Answer

Cancerous melanocytes grow rapidly and metastasize throughout the lymphatic system in cases of:

a. malignant melanomas

b. squamous cell carcinoma

c. basal cell carcinoma

d. None of the above.BACK TO GAME

Topic 5:

$300 Question

Calluses and corns are the most obvious effects of which of the following?

a. hyperkeratosis

b. psoriasis

c. dermatitis

d. xerosisBACK TO GAME

ANSWER

Topic 5:

$300 Answer

Calluses and corns are the most obvious effects of which of the following?

a. hyperkeratosis

b. psoriasis

c. dermatitis

d. xerosisBACK TO GAME

Topic 5:

$400 Question

Following either partial or full thickness burns, clinicians must be concerned about which potential medical problems?

a. Absorption of toxic substances

b. Loss of excess fluid

c. Infection

d. All of the above.BACK TO GAME

ANSWER

Topic 5:

$400 Answer

Following either partial or full thickness burns, clinicians must be concerned about which potential medical problems?

a. Absorption of toxic substances

b. Loss of excess fluid

c. Infection

d. All of the above.BACK TO GAME

Topic 5:

$500 Question

Which is the correct order of the major events that occur during regeneration of the skin after an injury?

a. bleeding occurs, scab forms, scar tissue forms, fibrin clot disintegrates, granulation tissue forms

b. bleeding occurs, scab forms, granulation tissue forms, fibrin clot disintegrates, scar tissue forms

c. bleeding occurs, granulation tissue forms, scab forms, fibrin clot disintegrates, scar tissue forms

d. bleeding occurs, granulation tissue forms, fibrin clot disintegrates, scab forms, scar tissue forms

BACK TO GAME

ANSWER

Topic 5:

$500 Answer

Which is the correct order of the major events that occur during regeneration of the skin after an injury?

a. bleeding occurs, scab forms, scar tissue forms, fibrin clot disintegrates, granulation tissue forms

b. bleeding occurs, scab forms, granulation tissue forms, fibrin clot disintegrates, scar tissue forms

c. bleeding occurs, granulation tissue forms, scab forms, fibrin clot disintegrates, scar tissue forms

d. bleeding occurs, granulation tissue forms, fibrin clot disintegrates, scab forms, scar tissue forms

BACK TO GAME

FINAL ROUND Question

Which of the following statements regarding anthrax infection is false?

a. Anthrax is a bacterium that has spores which have intense metabolic activity and may thus be effectively destroyed by dehydration, or radiation.

b. Anthrax spores may survive for years in soil or on animal hides or wool, but may be killed by burning, boiling for ten minutes, or exposure to hydrogen peroxide.

c. Anthrax spores enter through breaks in the skin and are engulfed by macrophages. If undamaged, the spores may germinate and will then multiply and secrete toxins.

d. None of the above statements is false.

BACK TO GAME

ANSWER

FINAL ROUND Answer

Which of the following statements regarding anthrax infection is false?

a. Anthrax is a bacterium that has spores which have intense metabolic activity and may thus be effectively destroyed by dehydration, or radiation.

b. Anthrax spores may survive for years in soil or on animal hides or wool, but may be killed by burning, boiling for ten minutes, or exposure to hydrogen peroxide.

c. Anthrax spores enter through breaks in the skin and are engulfed by macrophages. If undamaged, the spores may germinate and will then multiply and secrete toxins.

d. None of the above statements is false.

BACK TO GAME