Urea And Electrolytes

8 Questions

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Biochemistry Quizzes & Trivia

Urea is an organic compound perhaps best recognise for its presence in urine, but it also serves important roles in the metabolism too. Electrolytes are substances that produce an electrically conducting solution when dissolved in a polar solvent.


Questions and Answers
  • 1. 
    Normal ranges of sodium?
    • A. 

      137 - 147 mmol / L

    • B. 

      135 - 145 mmol/L

    • C. 

      145 - 155 mmol / L

    • D. 

      130 - 140 mmol / L

  • 2. 
    • A. 

      Maintains homoeostasis of body fluids through intravascular action.

    • B. 

      Hypertremia and hyopnatermia

    • C. 

      Abnormal levels indicate hydration

    • D. 

      Good for the liver

  • 3. 
    Normal ranges of potassium?
    • A. 

      3.5 - 5.0 mmol/L

    • B. 

      4.0 - 5.1 mmol/L

    • C. 

      3.5 - 3.9 mmol/L

    • D. 

      5.0 - 6.5 mmol/L

  • 4. 
    • A. 

      Hyperkalemia (brady and arrythemias) and hypokalemia (tachy and arrythemias)

    • B. 

      Controls respiratory output and stroke volume

    • C. 

      Controls cardiac conduction and neuromuscular function

    • D. 

      Indicator of urine output.

  • 5. 
    Normal range of Urea? 
    • A. 

      2.6 - 7.7 mmol/L

    • B. 

      2.1 - 6.5 mmol/L

    • C. 

      2.6 - 6.5 mmol/L

    • D. 

      6.5 - 7.1 mmol/L

  • 6. 
    Urea's main uses?
    • A. 

      A waste product of protein metabolism normally cleared by the urine.

    • B. 

      Raised urea = renal failure

    • C. 

      Raised urea = Dehydration and excessive protein metaboism.

    • D. 

      Good for the urethra

  • 7. 
    Glucose normal value
    • A. 

      4.4 - 6.1 mmol/L

    • B. 

      4.1 - 6.5 mmol/L

    • C. 

      3.1 - 6.1 mmol/L

    • D. 

      3.1 - 4.1 mmol/l

  • 8. 
    Glucose main uses?
    • A. 

      Intracellular energy needed to transport insulin into cells.

    • B. 

      Hyperglycemia and hypoglycemia

    • C. 

      Used and stored as glycogon in liver

    • D. 

      Makes ATP