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chapter 5

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Questions and Answers

Which layer of the skin is deep to the dermis and is composed of adipose and areolar connective tissue?

Dermis

Hypodermis (correct)

Epidermis

Stratum Corneum

What is the function of hair follicles?

Produce hair and contain sensory nerve endings that are stimulated by bending a hair (correct)

Produce sebum

Produce sweat

Produce melanin

Which layer of the dermis is composed of loose connective tissue and contains blood vessels and nerve endings?

Stratum Lucidum

Reticular layer

Stratum Corneum

Papillary layer (correct)

What do sebaceous glands in the external ear canal secrete?

Cerumen Signup and view all the answers

What does the Rule of Nines estimate?

The severity of burns Signup and view all the answers

What is the function of sebaceous (oil) glands?

Produce sebum Signup and view all the answers

What is the function of tactile (Merkel) cells?

Serve as touch receptors Signup and view all the answers

What is the function of keratinocytes?

Produce keratin Signup and view all the answers

What are the risk factors for skin cancer?

Overexposure to UV radiation and frequent irritation of the skin Signup and view all the answers

Which layer of the epidermis consists of a few rows of flat, dead keratinocytes and is present only in thick skin?

Stratum Lucidum Signup and view all the answers

Which layer of the epidermis contains melanin granules and Langerhans' cells?

Stratum Granulosum (Granular Layer) Signup and view all the answers

What is the most common type of skin cancer?

Basal cell carcinoma Signup and view all the answers

What is alopecia?

Hair thinning in both sexes Signup and view all the answers

What is the function of collagen fibers in the reticular layer of the dermis?

Add strength and resiliency to the skin Signup and view all the answers

What happens to the epidermal replacement of cells in old age?

It slows down Signup and view all the answers

When are burns considered critical according to the Rule of Nines?

If over 25% of the body has second-degree burns Signup and view all the answers

What is the treatment for melanoma skin cancer?

Wide surgical excision accompanied by immunotherapy Signup and view all the answers

What do mammary glands secrete?

Milk Signup and view all the answers

What are the characteristics of melanoma skin cancer according to the ABCD rule?

A: Asymmetry, B: Border is irregular, C: Color is black, D: Diameter is larger than 6 mm Signup and view all the answers

Where are eccrine sweat glands found?

Palms, soles of the feet, and forehead Signup and view all the answers