Renal System

    Renal System
    The functional unit of the kidney that filters blood and produces urine is called the:
    The nephron performs all of the kidney functions.
    Author: rikazzz Comment
    Renal System
    Which of the following happens as we descend deeper into the kidney medulla?
    Concentration of the interstitial fluid increases. Choice C is not correct as the nephron tubule does not necessarily descend into the medulla.
    Author: rikazzz Comment
    Renal System
    Where are all of the glomeruli of the kidney located?
    The tubules and collecting ducts extend into the medulla, but all glomeruli are in the cortex.
    Author: rikazzz Comment
    Renal System
    To what does the “juxtaglomerular apparatus” refer?
    The juxtaglomerular = macula densa cells (of the DCT wall) and granular cells (of the afferent arteriole wall).
    Author: rikazzz Comment
    Renal System
    What is the name of the tube that connects the bladder to the kidney?
    Not to be confused with the urethra through which urine exits the body.
    Author: rikazzz Comment
    Renal System
    In the kidney, the filtrate passes through several structures on its way to becoming urine. Which of the following lists presents these structures in the correct order?
    Glomerulus must precede the collecting duct. Collecting duct must be after the DCT.
    Author: rikazzz Comment
    Renal System
    Which one of the following is part of the renal tubule?
    The macula densa consists of cells in the wall of the distal convoluted tubule at the juxtaglomerular apparatus.
    Author: rikazzz Comment
    Renal System
    If a urine specific gravity was measured to be 1.03, an interpretation would be that:
    1.03 is at the upper limit of urine SG, indicating that the kidney is conserving water, so the person is dehydrated.
    Author: rikazzz Comment
    Renal System
    In what part of the kidney are the glomeruli located?
    Only the cortex contains glomeruli.
    Author: rikazzz Comment
    Renal System
    What is the term applied to the first process in urine formation, where some components of blood pass into the Bowman’s capsule?
    Filtration is the first process driven by a fluid pressure gradient.
    Author: rikazzz Comment