Endocrine System

    Endocrine System
    What is the effect of ADH (antidiuretic hormone)?
    ADH causes more aquaporins to be inserted into the collecting duct walls which allow water molecules to pass through along the osmotic gradient.
    Author: rikazzz Comment
    Endocrine System
    What effect does aldosterone have?
    Aldosterone cases reclamation of sodium ions from the filtrate and potassium to be secreted in exchange.
    Author: rikazzz Comment
    Endocrine System
    Blood calcium levels are controlled by hormones from which structures?
    Parathyroid glands secrete parathyroid hormone (to increase blood Ca level), while the parafollicular cells of the thyroid produce calcitonin which aids in lowering blood Ca.
    Author: rikazzz Comment
    Endocrine System
    Which of the following statements about corticosteroids is true?
    They are produced by the adrenal cortex.
    Author: rikazzz Comment
    Endocrine System
    Which structure produces epinephrine and norepinephrine?
    The medulla (interior) of the adrenal gland.
    Author: rikazzz Comment
    Endocrine System
    Which cells of the thyroid gland produce thyroglobulin (thyroid hormone)?
    Follicular cells produce thyroglobulin which is stored within the follicles of thyroid tissue.
    Author: rikazzz Comment
    Endocrine System
    What is the role of glucagon and insulin?
    Insulin promotes the uptake of glucose into cells from the blood. Hence it lowers blood glucose. It also inhibits glycogenolysis so less glucose is released from the glycogen store.
    Author: rikazzz Comment
    Endocrine System
    Which endocrine gland produces parathyroid hormone?
    The four parathyroid glands, attached to the thyroid, produce parathyroid hormone.
    Author: rikazzz Comment
    Endocrine System
    Which hormone has the element iodine as part of its molecule?
    Thyroxine or thyroid hormone contains iodine.
    Author: rikazzz Comment
    Endocrine System
    What does the anterior lobe of the pituitary gland synthesise and release?
    All the releasing hormones are produced in the hypothalamus.
    Author: rikazzz Comment