Textbook Question
Sebum
a. Lubricates the surface of the skin and hair
b. Consists of cell fragments and fatty substances
c. In excess may cause seborrhea
d. All of these
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5. Integumentary System
Glands
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Which type of gland produces earwax?
A
Sebaceous gland
B
Ceruminous gland
C
Salivary gland
D
Sweat gland
Verified step by step guidance1
Understand the function of each gland type mentioned: Sebaceous glands secrete sebum (oil) to lubricate skin and hair, Salivary glands produce saliva, Sweat glands produce sweat, and Ceruminous glands produce earwax.
Identify the location and function of ceruminous glands: These are specialized sweat glands located in the external auditory canal, responsible for producing cerumen, commonly known as earwax.
Differentiate between the gland types based on their secretions: Sebaceous glands are associated with hair follicles, Salivary glands are found in the mouth, Sweat glands are distributed throughout the skin, and Ceruminous glands are specific to the ear canal.
Recognize that earwax, or cerumen, is a protective secretion that helps trap dust and microorganisms, preventing them from reaching the eardrum.
Conclude that the ceruminous gland is the correct type of gland responsible for producing earwax, based on its location and function.
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