Anatomy & Physiology Ch. 6: Integumentary System

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Quizzes Created: 1 | Total Attempts: 823
Questions: 19 | Attempts: 833

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Integumentary System Quizzes & Trivia

ANATOMY�& PHYSIOLOGY: THE UNITY OF FORM AND FUNCTION
Saladin, 4th Ed. (2007)
ISBN-13:� 978-0-07-326288-8
ISBN-10:� 0-07-326288-9


Questions and Answers
  • 1. 

    The skin is the _____ organ in the body.

    Explanation
    The skin is considered the largest organ in the body because it covers the entire external surface and serves as a protective barrier against the environment. It plays a crucial role in regulating body temperature, preventing water loss, and providing sensory information. Additionally, the skin contains various structures such as hair follicles, sweat glands, and blood vessels, which contribute to its overall functionality.

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  • 2. 

    The skin consists of only two layers.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The skin consists of two main layers: the epidermis and the dermis. The epidermis is the outermost layer of the skin and provides protection against external factors. It is composed of several layers of cells, including the waterproof outer layer called the stratum corneum. The dermis is located beneath the epidermis and contains blood vessels, hair follicles, sweat glands, and nerve endings. It provides support and nourishment to the epidermis. Therefore, the statement that the skin consists of only two layers is true.

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  • 3. 

    Which of the following is not directly associated with the skin?

    • A.

      Stratified squamous epithelium

    • B.

      Epidermis

    • C.

      Dermis

    • D.

      Hypodermis

    Correct Answer
    D. Hypodermis
    Explanation
    The hypodermis is not directly associated with the skin. It is a layer of subcutaneous tissue located beneath the dermis. The hypodermis mainly consists of fat cells and connective tissue, and it serves as insulation and padding for the body. While it is closely related to the skin, it is not considered a part of the skin itself. The other options, stratified squamous epithelium, epidermis, and dermis, are all directly associated with the skin and play important roles in its structure and function.

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  • 4. 

    The epidermal layer of skin consists of ______ tissue.

    Correct Answer
    stratified squamous epithelium
    Explanation
    The epidermal layer of skin is made up of stratified squamous epithelium. This type of tissue is composed of multiple layers of flat cells that provide protection to the underlying layers of the skin. The stratified arrangement allows for durability and resistance to abrasion, making it ideal for the outermost layer of the skin. Squamous epithelial cells are flat and scale-like in shape, providing a barrier against external factors such as pathogens and UV radiation. Overall, stratified squamous epithelium is well-suited for the epidermis as it provides both protection and flexibility.

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  • 5. 

    The two types of skin are: (include the word 'and' between both answers). Example: abc and  xyz

    Correct Answer
    thick and thin
    thin and thick
    Explanation
    The correct answer is "thick and thin, thin and thick." This answer suggests that there are two types of skin: one that is thick and another that is thin. It also implies that there can be a variation where the order is reversed, meaning there can be skin that is thin and then thick.

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  • 6. 

    Thick skin has sweat glands but no hair follicles or sebaceous glands.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Thick skin, also known as glabrous skin, is found on the palms of the hands and soles of the feet. It does have sweat glands, which play a role in regulating body temperature. However, it lacks hair follicles and sebaceous glands, which are responsible for producing hair and sebum respectively. This lack of hair and sebum production is what makes thick skin different from the rest of the body's skin. Therefore, the statement that thick skin has sweat glands but no hair follicles or sebaceous glands is true.

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  • 7. 

    As mentioned in question 8, "thick skin" has a thick epidermis. This is due to a very thick layer of dead cells called the _____.

    • A.

      Stratum lucidum

    • B.

      Stratum granulosum

    • C.

      Stratum corneum

    • D.

      Stratum spinosum

    Correct Answer
    C. Stratum corneum
    Explanation
    The correct answer is "stratum corneum". The stratum corneum is the outermost layer of the epidermis and is composed of dead skin cells called corneocytes. These cells are filled with keratin, a protein that provides strength and protection to the skin. The stratum corneum acts as a barrier, preventing water loss and protecting the underlying layers of the skin from external factors such as bacteria, UV radiation, and chemicals. Its thickness contributes to the overall thickness of the skin, giving it a "thick skin" appearance.

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  • 8. 

    Thin skin possesses hair follicles, sebaceous glands, and sweat glands.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Thin skin does indeed possess hair follicles, sebaceous glands, and sweat glands. These structures are responsible for various functions in the skin. Hair follicles produce hair, sebaceous glands secrete sebum (an oily substance that helps moisturize the skin), and sweat glands produce sweat to regulate body temperature. Therefore, the statement is true.

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  • 9. 

    Besides those areas covered by thick skin, the rest of the body is covered with thin skin, which has an epidermis layer of ~ _____ mm thick.

    Correct Answer
    0.1
    .1
    0.1mm
    .1mm
    Explanation
    The correct answer is 0.1mm. The question asks for the thickness of the epidermis layer in thin skin, and the answer options all represent the same value of 0.1mm expressed in different formats.

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  • 10. 

    Skin accounts for ~ _____% of the body weight.

    Correct Answer
    15
    15%
    Explanation
    Skin accounts for approximately 15% of the body weight. The skin is the largest organ in the body and plays a crucial role in protecting the internal organs, regulating body temperature, and providing sensory information. It consists of multiple layers and is composed of various tissues, including the epidermis, dermis, and subcutaneous tissue. While the exact percentage may vary slightly among individuals, on average, the skin makes up about 15% of a person's total body weight.

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  • 11. 

    The dermis layer consists of _____ tissue.

    Correct Answer
    connective
    Explanation
    The dermis layer consists of connective tissue. Connective tissue is the most abundant type of tissue in the body and is responsible for providing support, strength, and elasticity to various organs and structures. In the dermis, connective tissue helps to hold the skin together, provides nourishment to the epidermis, and houses important structures such as blood vessels, hair follicles, and sweat glands. It also plays a crucial role in wound healing and immune response.

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  • 12. 

    The hypodermis layer is composed of _____ tissue.

    Correct Answer
    connective
    Explanation
    The hypodermis layer is composed of connective tissue. Connective tissue is a type of tissue that provides support and structure to the body. It is made up of cells and extracellular matrix, which includes fibers and ground substance. The hypodermis layer, also known as the subcutaneous tissue, is located beneath the dermis and serves as a connection between the skin and underlying structures. It contains various types of connective tissue, such as adipose tissue, which helps to insulate the body and store energy.

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  • 13. 

    Skin averages _____ to _____ mm thick and ranges from _____ mm to _____ mm.

    • A.

      1 to 2; 1 to 6

    • B.

      1 to 6; 0.5 to 6

    • C.

      0.5 to 2; 1 to 5

    • D.

      1 to 2; 0.5 to 6

    Correct Answer
    D. 1 to 2; 0.5 to 6
    Explanation
    The skin is generally 1 to 2 mm thick, but it can range from as thin as 0.5 mm to as thick as 6 mm.

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  • 14. 

    The skin on the _____ is less than 0.5mm.

    Correct Answer
    eyelids
    Explanation
    The skin on the eyelids is less than 0.5mm. This means that the thickness of the skin on the eyelids is less than half a millimeter. The thinness of the skin on the eyelids allows for flexibility and ease of movement, which is important for blinking and protecting the eyes.

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  • 15. 

    The skin between the shoulder blades is _____ mm thick.

    Correct Answer
    6
    Explanation
    The given answer states that the skin between the shoulder blades is 6 mm thick. This suggests that the measurement refers to the thickness of the skin in that specific area.

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  • 16. 

    Thick skin covers the: (check all that apply)

    • A.

      Palms

    • B.

      Soles

    • C.

      Fingers

    • D.

      Joints

    • E.

      Toes

    • F.

      Scalp

    Correct Answer(s)
    A. Palms
    B. Soles
    C. Fingers
    E. Toes
    Explanation
    The thick skin covers the palms, soles, fingers, and toes. This type of skin is found in areas that are subjected to constant friction and pressure, such as the hands and feet. The thick skin provides extra protection and durability in these areas. The scalp and joints, on the other hand, are not covered by thick skin.

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  • 17. 

    Skin is classified as thick or thin based on the relative thickness of the _____ layer alone.

    Correct Answer(s)
    epidermis
    Explanation
    Skin is classified as thick or thin based on the relative thickness of the epidermis layer alone. The epidermis is the outermost layer of the skin and is responsible for protecting the underlying layers. In thick skin, such as the skin on the palms of the hands and soles of the feet, the epidermis is thicker and has a greater number of layers. In thin skin, like the skin on the rest of the body, the epidermis is thinner and has fewer layers. Therefore, the thickness of the epidermis alone determines whether the skin is classified as thick or thin.

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  • 18. 

    The surface layer of the epidermis, consisting of dead cells, is called the: 

    • A.

      Stratum lucidum

    • B.

      Stratum granulosum

    • C.

      Stratum basale

    • D.

      Stratum corneum

    Correct Answer
    D. Stratum corneum
    Explanation
    The surface layer of the epidermis, consisting of dead cells, is called the stratum corneum. This layer is composed of flattened, keratinized cells that provide protection to the underlying layers of the skin. The dead cells in the stratum corneum are constantly shed and replaced by new cells from the deeper layers of the epidermis. This layer acts as a barrier against external factors such as pathogens, UV radiation, and dehydration, helping to maintain the integrity and health of the skin.

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  • 19. 

    Thick skin has an epidermis layer of 5mm.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    correct answer is 0.5mm thick. Remember, the question regards only the epidermis layer of thick skin (0.5mm being very thick for an epidermal layer).

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  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
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    Bkachaylo
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