Endocrine System

    Endocrine System
    One of the statements below is true. Which one?
    Testosterone is not produced in the pituitary nor does the pituitary contain autonomic centres.
    Author: rikazzz Comment
    Endocrine System
    Which cells produce insulin?
    Islets of Langerhans = pancreatic islets. Alpha cells produce glucagon.
    Author: rikazzz Comment
    Endocrine System
    Which hormones are soluble in blood?
    The pituitary gland releases peptide hormones which are soluble in blood. The other choices refer to steroid hormones which are insoluble in blood. They require transport via plasma proteins.
    Author: rikazzz Comment
    Endocrine System
    What is the function of erythropoietin (EPO)?
    EPO is produced in the kidneys and stimulates active (red) marrow to produce blood cells.
    Author: rikazzz Comment
    Endocrine System
    Complete the sentence correctly. Parathyroid hormone:
    When the level of calcium in the blood is lower than required, PTH is released and causes the calcium concentration to increase.
    Author: rikazzz Comment
    Endocrine System
    Endocrine communication involves hormones of two types:
    Hormones are of two structural types, and this determines whether they are lipid soluble (can pass through the plasma membrane) or not.
    Author: rikazzz Comment
    Endocrine System
    What type of molecule is cAMP, or what role does it play?
    Cyclic AMP is a second messenger. That is, it is released from the inside of the plasma membrane when an AA-based hormone binds to its receptor.
    Author: rikazzz Comment
    Endocrine System
    Which hormones are produced by the adrenal medulla?
    Epinephrine and norepinephrine (=catecholamines) are produced in the adrenal medulla.
    Author: rikazzz Comment
    Endocrine System
    What effect does parathyroid hormone have?
    PTH increases plasma Ca2+ (calcitonin aids in lowering blood calcium).
    Author: rikazzz Comment
    Endocrine System
    By what other name is adrenaline also known?
    Perhaps to diminish the perception that the adrenal gland only produces adrenaline.
    Author: rikazzz Comment