Clinical biochemistry (Lec 8) (Set 1)
30 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which of the following is a treatment for hyponatremia?

  • Increase fluid intake
  • Increase sodium intake
  • Restrict fluid intake (correct)
  • Administer diuretics
  • What is the normal range for potassium (K+) concentration in the blood?

  • 2.0-3.5 mmol/l
  • 5.0-7.0 mmol/l
  • 4.5-6.0 mmol/l
  • 3.5-5.0 mmol/l (correct)
  • Which of the following can lead to hyperkalemia?

  • Diarrhea
  • Vomiting
  • Renal failure (correct)
  • Adrenal failure
  • What are the clinical signs of hyponatremia?

    <p>Tachycardia and hypotension</p> Signup and view all the answers

    Which of the following is a treatment for acute renal failure (ARF)?

    <p>Oral or IV potassium</p> Signup and view all the answers

    What is the danger of rapid changes in potassium concentration in the blood?

    <p>Dangerous cardiac arrhythmias</p> Signup and view all the answers

    What is the primary determinant of the resting potential of cells?

    <p>Potassium (K+)</p> Signup and view all the answers

    Which of the following can cause hypokalemia?

    <p>Vomiting</p> Signup and view all the answers

    What is the normal range for sodium (Na+) concentration in the blood?

    <p>135-150 mmol/l</p> Signup and view all the answers

    Which of the following is a cause of hyponatremia?

    <p>Lack of aldosterone</p> Signup and view all the answers

    Which of the following is true about urea and creatinine?

    <p>Urea is a breakdown product of protein that occurs in the liver, while creatinine is produced in muscles.</p> Signup and view all the answers

    What happens to serum urea and creatinine if the Glomerular Filtration Rate (GFR) in the kidney is reduced?

    <p>They increase</p> Signup and view all the answers

    Which hormone causes reabsorption of water in the collecting ducts?

    <p>ADH (vasopressin)</p> Signup and view all the answers

    Which hormone causes reabsorption of sodium in the nephron and, consequently, water?

    <p>Aldosterone</p> Signup and view all the answers

    What is the major site of sodium loss in non-renal associated disease?

    <p>Gastrointestinal tract (GI tract)</p> Signup and view all the answers

    What is the normal range for sodium levels in the body?

    <p>135-145 mmol/l</p> Signup and view all the answers

    What are the clinical signs of hypernatraemia (Na > 145mmol/l)?

    <p>Increased blood pressure, decreased urine output, and dry mucous membranes</p> Signup and view all the answers

    What is the treatment for hypernatraemia?

    <p>Oral water</p> Signup and view all the answers

    What are the clinical signs of hyponatraemia via water retention (Na < 135 mmol/l)?

    <p>Decreased blood pressure, increased urine output, and moist mucous membranes</p> Signup and view all the answers

    What is the treatment for hyponatraemia via water retention?

    <p>Diuretic and restrict fluid + treat condition</p> Signup and view all the answers

    True or false: Too much water reabsorbed by the kidney can lead to edema.

    <p>False</p> Signup and view all the answers

    True or false: Hyponatremia is defined as a sodium level below 135 mmol/l.

    <p>True</p> Signup and view all the answers

    True or false: Potassium concentration alterations can cause dangerous cardiac arrhythmias.

    <p>True</p> Signup and view all the answers

    True or false: Hyperkalemia is defined as a potassium level above 4.9 mmol/l.

    <p>True</p> Signup and view all the answers

    True or false: Acute renal failure can be characterized by anuria or oliguria.

    <p>True</p> Signup and view all the answers

    True or false: Urea and electrolytes (‘U and Es’) are used to test a patient's fluid and electrolyte balance and renal function.

    <p>True</p> Signup and view all the answers

    True or false: The kidney regulates extracellular fluid volume and electrolyte balance.

    <p>True</p> Signup and view all the answers

    True or false: Serum urea and creatinine increase if the Glomerular Filtration Rate (GFR) in the kidney is reduced.

    <p>True</p> Signup and view all the answers

    True or false: Sodium (Na) intake is balanced by loss mainly in the gastrointestinal tract (GI tract) in non-renal associated disease.

    <p>True</p> Signup and view all the answers

    True or false: Hyponatremia can be caused by water retention and is treated with diuretics and fluid restriction.

    <p>True</p> Signup and view all the answers

    More Like This

    Urea Cycle Enzyme Deficiency
    5 questions
    Urea Cycle and Blood Urea Levels Quiz
    15 questions
    Use Quizgecko on...
    Browser
    Browser