Integument

    Integument
    What do the apocrine glands of the skin secrete?
    Apocrine glands are a type of sweat gland.
    Author: rikazzz Comment
    Integument
    What is the protein that fills the outermost dead cells of the epidermis?
    Choice C is also a protein, but is deep to the outermost layer, lying just superficial to the stratum germinativum.
    Author: rikazzz Comment
    Integument
    Which statement below is correct?
    Keratin is the horny protein that gives the epidermis its protective qualities and is produced by keratinocytes.
    Author: rikazzz Comment
    Integument
    What purpose is vitamin D (calcitriol) used for?
    Dietary calcium requires vitamin D for absorption.
    Author: rikazzz Comment
    Integument
    What is the secretion produced by sudoriferous glands?
    Sudoriferous glands are sweat glands.
    Author: rikazzz Comment
    Integument
    One of the following statements about the stratum corneum is correct. Which one?
    Stratum corneum is the outermost layer of the epidermis and is subject to physical abrasion. The now flattened, keratinised cells are not living.
    Author: rikazzz Comment
    Integument
    Which one of the following cell types is responsible for forming the skin’s stratum corneum?
    Keratinocytes secrete keratin which fills the dead cells of the stratum corneum of the epidermis.
    Author: rikazzz Comment
    Integument
    One of the following cell types is a macrophage. Which one?
    Dendrocytes are able to engulf bacteria and debris. The melanocytes and keratinocytes of the skin produce melanin and keratin, respectively, while Merkel cells are a sensory structure.
    Author: rikazzz Comment
    Integument
    Which list of structures is NOT all part of the integumentary system?
    The hypodermis is not part of the integumentary system.
    Author: rikazzz Comment
    Integument
    Which layer(s) of the skin are penetrated by the lance when a finger is pricked to obtain a drop of blood?
    The epidermis does not have a blood supply, but the dermis does. To obtain a blood sample, the lance must penetrate the epidermis in order to cut the capillaries in the dermis. The stratum corneum is the outer dead layer of the epidermis.
    Author: rikazzz Comment