Skin: Glands And Functions.

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| By Jacsalazar
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Jacsalazar
Community Contributor
Quizzes Created: 1 | Total Attempts: 426
Questions: 15 | Attempts: 426

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Skin: Glands And Functions. - Quiz

Questions and Answers
  • 1. 

    The skin is a barrier to the entry of microorganisms in the presence of keratin?

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The presence of keratin in the skin acts as a protective barrier against the entry of microorganisms. Keratin is a tough protein that forms a waterproof layer on the outermost layer of the skin, known as the epidermis. This layer helps to prevent the penetration of harmful bacteria, viruses, and other microorganisms into the body. Therefore, the statement is true.

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  • 2. 

    Can we find Langerhans cells in the dermis?    

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Langerhans cells are a type of immune cell found in the epidermis, which is the outermost layer of the skin. They play a crucial role in the immune response of the skin. The dermis, on the other hand, is the layer of skin beneath the epidermis. Langerhans cells are not found in the dermis, but rather in the epidermis. Therefore, the statement "Can we find Langerhans cells in the dermis?" is false.

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  • 3. 

    Are the sweat glands formed by excretory and secretory portion?    

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Sweat glands are formed by both excretory and secretory portions. The excretory portion of the gland consists of a coiled tube that collects waste materials from the body and transports them to the surface of the skin. The secretory portion is responsible for producing sweat, which is a mixture of water, salts, and other waste products. Therefore, it is correct to say that sweat glands are formed by both excretory and secretory portions.

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  • 4. 

    Can we find ducts of the sebaceous glands on the eyelids and nipples?

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Sebaceous glands are present in the skin and are responsible for producing sebum, an oily substance that helps moisturize and protect the skin. While sebaceous glands are found all over the body, they are not present on the eyelids or nipples. Therefore, the statement that ducts of the sebaceous glands can be found on the eyelids and nipples is false.

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  • 5. 

    Are the ducts of the sebaceous glands  present in thick skin?

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The sebaceous glands are small glands located within the skin that produce sebum, an oily substance that helps to lubricate and waterproof the skin. These glands are found all over the body, including in both thick and thin skin. Therefore, the ducts of the sebaceous glands are indeed present in thick skin.

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  • 6. 

    Langerhans's cells are in:

    • A.

      Epidermis

    • B.

      Dermis

    • C.

      Hipodermis

    • D.

      Subcutaneous Tissue

    Correct Answer
    A. Epidermis
    Explanation
    Langerhans cells are a type of immune cell found in the epidermis, the outermost layer of the skin. They are responsible for initiating immune responses against foreign substances that come into contact with the skin. These cells play a crucial role in the body's defense mechanisms and are strategically located in the epidermis to detect and respond to potential threats.

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  • 7. 

    Where is the sebum produced?

    • A.

      Ceruminous glands

    • B.

      Sebaceous gland

    • C.

      Mammary glands

    • D.

      Sweat Gland

    Correct Answer
    B. Sebaceous gland
    Explanation
    Sebum is produced in the sebaceous glands. These glands are found all over the body, except for the palms of the hands and the soles of the feet. Sebum is an oily substance that helps to lubricate the skin and hair, keeping them moisturized and preventing them from drying out. It also helps to protect the skin from bacteria and other harmful substances.

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  • 8. 

    It protects  the organism of the radiations for the presence of __________

    Correct Answer
    melanin
    Explanation
    Melanin is a pigment that is responsible for the color of our skin, hair, and eyes. It is also known to provide protection against harmful ultraviolet (UV) radiation from the sun. Melanin absorbs UV radiation and prevents it from penetrating deep into the skin, reducing the risk of DNA damage and skin cancer. Therefore, the presence of melanin in an organism acts as a natural defense mechanism against the harmful effects of radiation.

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  • 9. 

    The skin supports and regulates somehow her ________

    Correct Answer
    corporal temperature
    Explanation
    The skin plays a crucial role in supporting and regulating the body's temperature. It acts as a protective barrier and helps to maintain a stable internal temperature by controlling heat loss through processes like sweating or dilating blood vessels. This allows the body to cool down or warm up as needed to maintain homeostasis.

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  • 10. 

    The vernix occurs in _____

    Correct Answer
    babies
    Explanation
    Vernix is a white, cheese-like substance that covers the skin of newborn babies. It is composed of dead skin cells, oil, and lanugo (fine hair). The vernix acts as a protective barrier for the baby's delicate skin while in the womb, preventing it from becoming waterlogged. After birth, the vernix is usually wiped off or absorbed into the skin, but some babies may still have traces of it on their skin. Therefore, the occurrence of vernix is commonly observed in babies.

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  • 11. 

    What does the sweat glands produce?

    • A.

      Blood

    • B.

      Sweat

    • C.

      Sebum

    • D.

      Fever

    Correct Answer
    B. Sweat
    Explanation
    Sweat glands produce sweat, which is a clear, odorless liquid that helps regulate body temperature. When the body overheats, sweat is produced and evaporates from the skin's surface, cooling the body down. Sweat also contains small amounts of waste products such as salts, urea, and lactic acid.

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  • 12. 

    In Which part of the body we found mammary glands ?

    • A.

      Back

    • B.

      Legs

    • C.

      Abdomen

    • D.

      Chest

    Correct Answer
    D. Chest
    Explanation
    Mammary glands are found in the chest. These glands are responsible for producing milk in female mammals, including humans. They are located in the breast tissue, which is primarily situated in the chest area. The mammary glands play a crucial role in breastfeeding and nurturing offspring.

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  • 13. 

    How many major glands are in the body

    • A.

      5

    • B.

      1

    • C.

      2

    • D.

      3

    Correct Answer
    D. 3
    Explanation
    There are three major glands in the body. These glands are the pituitary gland, which is responsible for regulating hormone production; the thyroid gland, which controls metabolism; and the adrenal glands, which produce hormones that help the body respond to stress. These three glands play crucial roles in maintaining overall health and functioning of the body.

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  • 14. 

    A major glands in women are the ____

    Correct Answer
    mammary glands
    Explanation
    The mammary glands are the major glands in women. These glands are responsible for producing and secreting milk during lactation. They are located in the breasts and undergo significant changes during pregnancy and breastfeeding. The mammary glands play a crucial role in nourishing and providing sustenance to newborn babies.

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  • 15. 

    What does the extent of the sebaceous glands?

    • A.

      125-402 cm2

    • B.

      150-800 cm2

    • C.

      400-900 cm2

    • D.

      200-600 cm2

    Correct Answer
    C. 400-900 cm2
    Explanation
    The extent of the sebaceous glands refers to the surface area that these glands cover on the body. The correct answer of 400-900 cm2 suggests that the sebaceous glands can cover a surface area ranging from 400 to 900 square centimeters. This indicates that these glands are present over a relatively large area of the body.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 17, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 08, 2015
    Quiz Created by
    Jacsalazar
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