BIOD 151 Module 7 Exam Questions and
Correct Answers With Complete Solution, 2024.
The integumentary system is comprised of what three parts of the body?
skin, hair, nails
List the layers of the skin superficial to deep.
epidermis, dermis, hypodermis
Describe 3 functions of the integumentary system.
production of vitamin D, contain sense organs for protection of skin and underlying
tissue, protection from pathogens
T or F: Thermoreceptors detect fine touch.
false; Merkel's cells and Meissner's corpuscles
T or F: Merkel's cells and Meissner's corpuscles are thermoreceptors.
false; mechanoreceptors
T or F: Pacinian corpuscles detect pressure.
true
Describe what an exocrine gland contains and how its contents reach the surface
of the skin.
Exocrine glands contain secretions which are released through a duct into an epithelial
surface or lining.
What is a sebaceous gland?
oil glands that produce sebum
What is the purpose of thermoregulation in the body?
Thermoregulation helps the body to regulate its temperature.
What is one example of thermoregulation?
perspiration
T or F: The epidermis is made up of stratified cuboidal epithelium.
false; stratified squamous epithelium
What are the four layers of the epidermis?
stratum corner, stratum granulosum, stratum spinosum, and stratum basale
T or F: Cells of the stratum basale have a high rate of cell division.
true
The cells of the stratum basale have epidermal ridges which are the basis for
each person's distinct pattern called ____.
fingerprints
T or F: Dead cells in the stratum corneum remain for about two weeks before they
slough off.
true
These types of cells produce keratin.
keratinocytes
These types of cells produce melanin.
melanocytes
What are the two layers of the dermis?
papillary and reticular
Correct Answers With Complete Solution, 2024.
The integumentary system is comprised of what three parts of the body?
skin, hair, nails
List the layers of the skin superficial to deep.
epidermis, dermis, hypodermis
Describe 3 functions of the integumentary system.
production of vitamin D, contain sense organs for protection of skin and underlying
tissue, protection from pathogens
T or F: Thermoreceptors detect fine touch.
false; Merkel's cells and Meissner's corpuscles
T or F: Merkel's cells and Meissner's corpuscles are thermoreceptors.
false; mechanoreceptors
T or F: Pacinian corpuscles detect pressure.
true
Describe what an exocrine gland contains and how its contents reach the surface
of the skin.
Exocrine glands contain secretions which are released through a duct into an epithelial
surface or lining.
What is a sebaceous gland?
oil glands that produce sebum
What is the purpose of thermoregulation in the body?
Thermoregulation helps the body to regulate its temperature.
What is one example of thermoregulation?
perspiration
T or F: The epidermis is made up of stratified cuboidal epithelium.
false; stratified squamous epithelium
What are the four layers of the epidermis?
stratum corner, stratum granulosum, stratum spinosum, and stratum basale
T or F: Cells of the stratum basale have a high rate of cell division.
true
The cells of the stratum basale have epidermal ridges which are the basis for
each person's distinct pattern called ____.
fingerprints
T or F: Dead cells in the stratum corneum remain for about two weeks before they
slough off.
true
These types of cells produce keratin.
keratinocytes
These types of cells produce melanin.
melanocytes
What are the two layers of the dermis?
papillary and reticular
