Multiple Choice
Which of the following is the most important precaution to protect the integumentary system when handling heavy loads?
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5. Integumentary System
Introduction to the Integumentary System
Multiple Choice
What is the tubelike depression from which a hair grows and emerges at the skin surface?
A
Sebaceous gland
B
Hair follicle
C
Arrector pili muscle
D
Sweat pore
Verified step by step guidance1
Understand the anatomy of the skin: The skin consists of multiple layers, including the epidermis, dermis, and hypodermis. Hair growth originates from structures within the dermis.
Identify the structure responsible for hair growth: Hair grows from a specialized structure called the hair follicle, which is a tubelike depression in the skin.
Differentiate the hair follicle from other structures: The sebaceous gland is associated with the hair follicle but produces sebum (oil). The arrector pili muscle is responsible for causing hair to stand upright (goosebumps), and the sweat pore is the opening for sweat glands, not hair growth.
Recognize the function of the hair follicle: The hair follicle houses the hair root and provides the environment for hair growth. It also contains cells that divide and produce keratinized hair.
Conclude that the correct answer is the hair follicle, as it is the tubelike depression from which hair grows and emerges at the skin surface.
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