Random Clinical Lab Tests

20 Questions | Total Attempts: 55

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Clinical Lab Quizzes & Trivia

Questions and Answers
  • 1. 
    Which of the below is not a cause of increased Na+ levels (above 145 mEq/L)?
    • A. 

      Drinking salt water

    • B. 

      Mineralcorticoid excess

    • C. 

      Dehydration

    • D. 

      Addison disease

  • 2. 
    Your patient has hyperchloremia... what action would specifically be contraindicated?
    • A. 

      Rest

    • B. 

      Administration of IV NS

    • C. 

      OTC NSAIDS

    • D. 

      Getting an EKG

  • 3. 
    How does Hyperkalemia appear on EKG:
    • A. 

      Peaked T waves and a widened QRS and a depressed ST segment.

    • B. 

      Flattened T waves and prominent U waves

    • C. 

      Peaked T waves, shortened QRS, depressed ST segment

    • D. 

      Jacked up

  • 4. 
    _____________ is a measure of the osmoles of solute per liter of solution.
    • A. 

      Osmolality

    • B. 

      Osmolarity

    • C. 

      Serum osmolality

    • D. 

      Osmotic pressure

  • 5. 
    What are measures of nutritions?
    • A. 

      Calories

    • B. 

      Globulin

    • C. 

      Serum albumin

    • D. 

      Total protein

    • E. 

      B and c

    • F. 

      A & d

  • 6. 
    What are the key building blocks of antibodies?
    • A. 

      Globulin

    • B. 

      Albumin

    • C. 

      Amino acids

    • D. 

      Legos

  • 7. 
    Which one of the below is not a cause for decreased albumin levels:
    • A. 

      Malnutrition

    • B. 

      Dehydration

    • C. 

      Pregnancy

    • D. 

      Liver disease

    • E. 

      Metastatic tumor

  • 8. 
    Serum osmolarity= (2 x (Na + K)) + (BUN / 2.8) + (glucose/18) Plays an important role in toxicology work-ups!
    • A. 

      True

    • B. 

      False

  • 9. 
    If the osmolal gap is large, what is suspected to be present?
    • A. 

      Solutes such as organic acids (ketones)

    • B. 

      Usually high levels of glucose or ethanol by-products

    • C. 

      Large amounts of organic solution

    • D. 

      A & B

    • E. 

      B & C

  • 10. 
    What test is used to: -evaluate fluid and electrolyte abnormalities? -used to investigate ADH abnormalities and inappropriate ADH secretion?
    • A. 

      Serum osmolality

    • B. 

      Osmolal gap

    • C. 

      Total protein

    • D. 

      Urine osmolality

  • 11. 
    In renal damage, the urine osmolality is similar to the plasma osmolality.  & In pre-renal impairment: high urine osmolality is present.
    • A. 

      True

    • B. 

      False

  • 12. 
    Johnny's serum osmolality is raised (>295 milliOsmol/kg) with inappropriately dilute urine (urine osmolality <700 milliOsmol/kg.)  what do you suspect Johnny's problem is?
    • A. 

      Pre-renal impairment

    • B. 

      Post-renal impairment

    • C. 

      Diabetes insipidus

    • D. 

      Abuse of a loop diuretic

  • 13. 
    When ingested _________ bind phosphorus and decrease intestinal absorption:
    • A. 

      Beta-blockers

    • B. 

      NSAIDS

    • C. 

      Calcium supplements

    • D. 

      Antacids

  • 14. 
    Most Magnesium is bound to:
    • A. 

      ATP

    • B. 

      Albumin

    • C. 

      Calcium

    • D. 

      Urine solute

  • 15. 
    Besides dehydration, _______________ will cause an abnormal elevation in creatine
    • A. 

      Skeletal muscle injury

    • B. 

      Myasthenia gravis

    • C. 

      Renal disorders

    • D. 

      Decreased GFR

  • 16. 
    A doubling of creatinine suggests a _____% reduction in GFR:
    • A. 

      15%

    • B. 

      25%

    • C. 

      50%

    • D. 

      75%

  • 17. 
    Cystatin C may predict the risk for developing _______________ better than GFR and increased levels are associated with a risk for death (mean is 0.71-0.77mg/L)
    • A. 

      Acute kidney disease

    • B. 

      Chronic kidney disease

    • C. 

      Contagious herpes

    • D. 

      Glomerulonephritis

  • 18. 
    Isolated elevation of LDH-1 (above LDH-2) indicates:
    • A. 

      Myocardial injury

    • B. 

      Congestive heart failure

    • C. 

      Hepatic congestion

    • D. 

      Decreased renal perfusion

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