Bioscience I - Exam 3

85 Questions | Total Attempts: 158

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Bioscience Quizzes & Trivia

Review for exam 3 in bioscience, covering the renal lectures.


Questions and Answers
  • 1. 
                                What is the major product of metabolism excreted by the kidneys?
    • A. 

      Urea

    • B. 

      Water

    • C. 

      Creatinine

    • D. 

      Renin

  • 2. 
    Which of the following hormones is secreted by the kidneys?
    • A. 

      Insulin

    • B. 

      Erythropoetin

    • C. 

      Glucose

    • D. 

      Uric Acid

  • 3. 
    Which of the following is characterized by movement of substances from the blood to the filtrate?
    • A. 

      Tubular reabsorption

    • B. 

      Glomerular filtration

    • C. 

      Tubular Secretion

    • D. 

      Juxtamedullary absorption

  • 4. 
    Which of the following is characterized by movement of filtrate back into the blood from renal tubule?
    • A. 

      Glomerular filtration

    • B. 

      Tubular Secretion

    • C. 

      Juxtamedullary absorption

    • D. 

      Tubular reabsorption

  • 5. 
    Which of the following is responsible to adhering the kidneys to the abdominal wall and other internal structures?
    • A. 

      Renal Fascia

    • B. 

      Renal Capsule

    • C. 

      Adipose Capsule

    • D. 

      Perinephrium

  • 6. 
    What is the purpose of the tufts of capillaries which compose the glomerulus? 
    • A. 

      This is the site where filtered fluid is converted to urine

    • B. 

      Provide a large surface area

    • C. 

      Provide multiple arteriole sites for blood flow

    • D. 

      They support the MAP

  • 7. 
    Which of the following is likely to have the greatest blood loss?
    • A. 

      Total nephrectomy

    • B. 

      Renal Biopsy

    • C. 

      Partial Nephrectomy

    • D. 

      All above have equal blood loss potential

  • 8. 
    How is blood supplied to the glomerulus?
    • A. 

      Via a single efferent arteriole

    • B. 

      Through multiple renal arterioles

    • C. 

      Through hundreds of renal capillaries

    • D. 

      Through a single afferent renal arteriole

  • 9. 
    What is the major function of the proximal tubule?
    • A. 

      Reabsoption of sodium

    • B. 

      Reabsorption of water

    • C. 

      Concentration of urine

    • D. 

      Reabsorption of Chloride

  • 10. 
    Which portion of the tubular system is responsible for maintaining a hypertonic medullary interstitium?
    • A. 

      Proximal Tubule

    • B. 

      Loop of Henle

    • C. 

      Collecting Tubule

    • D. 

      Distal Tubule

  • 11. 
    What effect will an increase in ADH secretion have on the kidneys?
    • A. 

      Urine output will decrease

    • B. 

      Urine output will increase

    • C. 

      No effect on kidneys

  • 12. 
    In what portion of the tubular system does concentration of urine occur?
    • A. 

      Proximal Tubule

    • B. 

      Loop of Henle

    • C. 

      Collecting Tubule

    • D. 

      Distal Tubule

  • 13. 
    Which of the following is not true regarding juxtaglomerular cells?
    • A. 

      They contain renin

    • B. 

      Innervated by sympathetic nervous system

    • C. 

      Responsible for secretion of ADH

    • D. 

      All above are true

  • 14. 
    Which of the following will not affect release of renin?
    • A. 

      Administration of epinephrine

    • B. 

      Decrease in MAP

    • C. 

      A patient diagnosed with diabetes insipidus

    • D. 

      Change in sodium flow past macula densa

  • 15. 
    Renal blood flow is determined by oxygen consumption. 
    • A. 

      True

    • B. 

      False

  • 16. 
    What would be considered the lowest normal hourly urinary output for a pt weighing 80 kg?
    • A. 

      40 ml/hr

    • B. 

      80 ml/hr

    • C. 

      160 ml/hr

    • D. 

      30 ml/hr

  • 17. 
    Renal blood flow is approximately how many mL’s per minute?
    • A. 

      125

    • B. 

      1200

    • C. 

      500

    • D. 

      2500

  • 18. 
    You are the SRNA for Mr. Recher who is coming in for emergent surgery to fix internal bleeding following a MVA.  He is currently hypotensive (MAP of 60) in spite of fluid administration and continues to lose blood. What effect will these injuries have on renal blood flow and urine output?
    • A. 

      Glomerular filtration will cease due to his low MAP

    • B. 

      Urine output will increase due to fluid administration

    • C. 

      Renal blood flow will decrease due to decrease in MAP

    • D. 

      Effect on kidneys dependent upon whether renal arteries or aorta were damaged in accident

  • 19. 
    What is the mechanism of action of loop diuretic such as furosemide?
    • A. 

      Limits passive water reabsoption in the thin descending limb

    • B. 

      Antagonizes aldosterone in the collecting duct

    • C. 

      Inhibit carbonic anhydrase in the proximal tubule

    • D. 

      Inhibit sodium reabsoption in the ascending limb

  • 20. 
    Which of the following would be inappropriate to use for an edematous CHF patient in the ICU?
    • A. 

      Mannitol

    • B. 

      Diamox

    • C. 

      Furosemide

    • D. 

      Hydrochlorothiazide

  • 21. 
    Which of the following would be a poor choice for a pt with HTN who is also taking an ACE inhibitor?
    • A. 

      Furosemide

    • B. 

      Aldactone

    • C. 

      Hydrochlorothiazide

    • D. 

      Diamox

  • 22. 
    What is the site of action of Acetazolamide, a carbonic anhydrase inhibitor?
    • A. 

      Thick ascending Limb

    • B. 

      Thin descending limb

    • C. 

      Proximal Tubule

    • D. 

      Distal Tubule

  • 23. 
    Which of the following diuretic exerts its action in the Distal Tubule?
    • A. 

      Mannitol

    • B. 

      Acetazolamide

    • C. 

      Spironolactone

    • D. 

      Hydrochlorothiazide

  • 24. 
    Which of the following is not a risk factor for renal failure post op?
    • A. 

      Prolonged surgery >4 hours

    • B. 

      Pre-existing renal disease

    • C. 

      History of CHF

    • D. 

      Advanced Age

  • 25. 
    The greatest renal derangements are caused by abnormalities of _________ and are readily detectable.
    • A. 

      Obstruction

    • B. 

      Glomerular function

    • C. 

      Tubular function

    • D. 

      Renal tumors

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