Chapter 21

18 Questions

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Chapter 21

Questions and Answers
  • 1. 
    Which of the following is not a function of the urinary system?
    • A. 

      Regulation of blood volume and composition

    • B. 

      Stimulation of red blood cell production

    • C. 

      Regulation of body temperature

    • D. 

      Regulation of blood pressure

    • E. 

      Regulation of blood pH

  • 2. 
    Which of the following structures are found in the renal cortex?
    • A. 

      Collecting ducts

    • B. 

      Distal convoluted tubules

    • C. 

      Minor calyces

    • D. 

      Renal columns

    • E. 

      Renal papilla

  • 3. 
    The major openings located in the base if the bladder are the 
    • A. 

      Renal artery, renal vein, urethra

    • B. 

      Renal artery , renal vein, ureter

    • C. 

      Ureter, urethra, collecting tubes

    • D. 

      Urethra and two ureters

    • E. 

      External urethral sphincter and two ureters

  • 4. 
    Externally, the kidney is protected and supported by connective tissue and _______
    • A. 

      Adipose tissue

    • B. 

      Cartilage

    • C. 

      Mesentery

    • D. 

      Serous fluid

    • E. 

      The renal capsule

  • 5. 
    Place the following structures in the correct order for the flow of urine
    • A. 

      1 2 4 3 6 5

    • B. 

      1 5 2 4 3 6

  • 6. 
    The functional unit of the kidney where urine is produced is the 
    • A. 

      Nephron

    • B. 

      Pyramid

    • C. 

      Pelvis

    • D. 

      Glomerulus

    • E. 

      Calyx

  • 7. 
    Which of the following molecules are not normally removed from the blood during filtration?
    • A. 

      Glucose

    • B. 

      Plasma proteins

    • C. 

      Sodium ions

    • D. 

      Urea

    • E. 

      Potassium ions

  • 8. 
    Glomerular filtration rate (GFR) is the 
    • A. 

      Rate of urinary bladder filling

    • B. 

      Amount of filtrate formed in both kidney each min

    • C. 

      Amount of filtrate reabsorbed at the collecting ducts

    • D. 

      Amount of blood delivered to the kidneys each min

    • E. 

      Amount of urine formed per hour

  • 9. 
    Blood pH is controlled by ______
    • A. 

      Angiotensin II

    • B. 

      Calcitriol

    • C. 

      Secretion of sodium ions

    • D. 

      Tubular secretion of hydrogen ions

    • E. 

      Erythroprotein

  • 10. 
    The nephron has two parts the __________ and __________
    • A. 

      Capsule, loop of henle

    • B. 

      Glomerulus, peritubular capillaries

    • C. 

      Glomerulus, renal tubule

    • D. 

      Renal corpuscle, renal tubule

  • 11. 
    Blood is transported into the kidney through the ___________
    • A. 

      Afferent arterioles

    • B. 

      Glomerulus

    • C. 

      Renal artery

    • D. 

      Renal vein

    • E. 

      Loop of henle

  • 12. 
    In the kidney, sympathetic nervous stimulation causes 
    • A. 

      A drop in glomerular filtration rate

    • B. 

      An increase in glomerular filtration rate

    • C. 

      Increased filtration pressure

    • D. 

      Increased urine output

  • 13. 
    Which of the following structures are found in the renal cortex?
    • A. 

      Collecting ducts

    • B. 

      Distal convoluted tubules

    • C. 

      Minor calyces

    • D. 

      Renal columns

    • E. 

      Loop of henle

  • 14. 
    The micturition reflex is initiated by:
    • A. 

      Activation of stretch receptors in the bladder

    • B. 

      Changes in the urine's pH

    • C. 

      Stretching of the urethra

    • D. 

      The flow of urine through the ureters

  • 15. 
    Which of the following is not normally present in glomerular filtrate?
    • A. 

      Blood cells

    • B. 

      Glucose

    • C. 

      Nitrogens wastes such as urea

    • D. 

      Amino acids

  • 16. 
    Urine formation requires which of the following?
    • A. 

      Glomerular filtration and tubular secretion only

    • B. 

      Glomerular filtration and tubular reabsorption only

    • C. 

      Glomerular filtration and tubular reabsorption tubular secretion

  • 17. 
    The renal pelvis
    • A. 

      Channels urine towards the renal pyramids

    • B. 

      Contains collecting tubules

    • C. 

      Is formed by the union of minor calyces

    • D. 

      Leads to the ureter

  • 18. 
    Which of the following characteristics do the urinary bladder and ureters have in common>
    • A. 

      Ability to store urine

    • B. 

      Mucosa layer with transitional epithelium

    • C. 

      Three layers of smooth muscle

    • D. 

      Sphincter to control urine flow