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Papillary Layer and Dermal Papillae Anatomy

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Papillary Layer and Dermal Papillae Anatomy

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Questions and Answers

What is the main function of melanin in the integumentary system?

Protects against mechanical damage

Prevents passage of harmful agents

Acts as an insulator

Protects from UV rays (correct)

Which of the following skin appendages acts as an insulator and filter?

Sweat glands

Fingernails

Hair (correct)

Oil glands

What is the main function of sebum produced by the skin's glands?

Provides protection against UV rays

Acts as a moisturizer (correct)

Enhances sensation

Helps in thermoregulation

Which of the following is not a function of sweat produced by the skin?

Prevents water loss Signup and view all the answers

Which receptors in the skin sense excessive pressure as pain?

Pressure receptors Signup and view all the answers

What is the primary role of the acid mantle in the integumentary system?

Kills most bacteria Signup and view all the answers

Where are the peglike projections called dermal papillae located?

In the papillary layer Signup and view all the answers

Which type of receptors are found in the dermal papillae?

Pain receptors (free nerve endings) Signup and view all the answers

What is the main function of epidermal dendritic cells?

Alert and activate immune system cells Signup and view all the answers

Which skin appendage arises from the epidermis?

Nails Signup and view all the answers

What is the primary role of phagocytes in the skin?

Prevent bacteria from penetrating deeper into the body Signup and view all the answers

What is the main purpose of melanin in the skin?

Provide protection from UV radiation Signup and view all the answers

What is the main function of collagen in the skin?

Contributing to the toughness of the dermis Signup and view all the answers

Which skin receptor is primarily responsible for detecting light touch?

Meissner's corpuscle Signup and view all the answers

Where are sebaceous glands NOT found on the body?

Palms of the hands Signup and view all the answers

What is the main role of elastin in the skin?

Providing elasticity Signup and view all the answers

Which type of cutaneous gland produces sebum?

Sebaceous gland Signup and view all the answers

Which skin appendage is primarily responsible for deep pressure sensation?

Pacinian corpuscle Signup and view all the answers