Renal System

    Renal System
    Which of the following molecules is NOT produced by the kidneys?
    Angiotensinogen is produced in the liver. Renin (from the juxtaglomerular cells of the kidneys) converts angiotensinogen into angiotensin I.
    Author: rikazzz Comment
    Renal System
    The kidney produces all but one of the following. Which one?
    ANP is produced by the walls of the heart’s atria. It inhibits the absorption of sodium from the filtrate.
    Author: rikazzz Comment
    Renal System
    What structure does the blood from the afferent arteriole enter?
    Afferent (incoming) arteriole enters the glomerulus; the efferent arteriole leaves the glomerulus.
    Author: rikazzz Comment
    Renal System
    If aldosterone is present in the blood, what happens in the distal convoluted tubule?
    Aldosterone promotes the absorption of sodium from the filtrate.
    Author: rikazzz Comment
    Renal System
    What part of the renal tubule does NOT reabsorb water?
    The ascending limb is the only listed structure that is part of the renal tubule.
    Author: rikazzz Comment
    Renal System
    What is renin?
    The JG cells produce renin which leads to angiotensin II being formed which will cause blood pressure to rise.
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    Renal System
    What is the term meaning the production of urine?
    A drug that promotes urine production is a diuretic, while one that does the reverse is an antidiuretic.
    Author: rikazzz Comment
    Renal System
    Which of the following statements about urine-specific gravity is WRONG?
    Urine SG is the same value as urine density in g/ml, but without the units.
    Author: rikazzz Comment
    Renal System
    What name is given to the blood vessel that connects the capillaries of the glomerulus to the vasa recta?
    The efferent arteriole transports blood from the glomerulus to the peritubular capillaries and vasa recta.
    Author: rikazzz Comment
    Renal System
    The influence (or influences) that drives blood filtration in the kidney is:
    Filtration occurs because of a pressure difference. Osmotic pressure does not drive the process.
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