Werkblad Laboratoriumwaarden en elektrolyten met antwoorden

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Naam: ____________________   Datum: ____________

1.Makkelijk

Uric acid in the blood is a breakdown product of:

  1. APurines
  2. BFats
  3. CGlucose
  4. DHemoglobin
2.Makkelijk

What is a "critical value" (panic value) in laboratory reporting?

  1. AA result that the laboratory could not measure because of a bad sample
  2. BA result that is normal but differs from the patient's last value
  3. CAny result that is slightly outside the laboratory reference range
  4. DA result so abnormal that it may threaten life and needs prompt action
3.Makkelijk

What is a typical reference range for the prothrombin time (PT) in a person not taking anticoagulants?

  1. AAbout 11–13,5 seconds
  2. BAbout 3–5 minutes
  3. CAbout 2–4 seconds
  4. DAbout 60–90 seconds
4.Gemiddeld

A patient with sickle cell disease takes hydroxyurea. Which laboratory test is monitored regularly for an adverse effect?

  1. AComplete blood count
  2. BUrine ketone level
  3. CSerum amylase level
  4. DSerum lithium level
5.Gemiddeld

Which instruction is correct for a patient starting oral iron tablets?

  1. ATake the tablet with an antacid to improve absorption
  2. BYour stools may turn dark green or black
  3. CYour urine will turn bright orange while you take it
  4. DTake each tablet with milk to protect the stomach
6.Gemiddeld

A patient takes valproate (valproic acid) for epilepsy. Which tests are monitored regularly?

  1. ASerum lithium and urine specific gravity
  2. BLiver function tests and platelet count
  3. CTroponin and B-type natriuretic peptide
  4. DThyroid function and serum calcium
7.Moeilijk

After a crush injury, a patient's urine dipstick is strongly positive for blood, but microscopy shows almost no red cells. CK is very high. What best explains this?

  1. AThe sample was contaminated with menstrual blood
  2. BMyoglobin from damaged muscle is in the urine
  3. CBleeding is coming from the bladder lining
  4. DA kidney stone is scraping the ureter lining
8.Moeilijk

A patient with a round face, central weight gain and purple stretch marks has a glucose of 210 mg/dL (11,7 mmol/L) and a potassium of 3,1 mEq/L. Which condition fits best?

  1. ADiabetes insipidus
  2. BAdrenal insufficiency
  3. CCushing syndrome
  4. DHypothyroidism

Antwoordenblad

  1. 1. A · Purines
  2. 2. D · A result so abnormal that it may threaten life and needs prompt action
  3. 3. A · About 11–13,5 seconds
  4. 4. A · Complete blood count
  5. 5. B · Your stools may turn dark green or black
  6. 6. B · Liver function tests and platelet count
  7. 7. B · Myoglobin from damaged muscle is in the urine
  8. 8. C · Cushing syndrome

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