Werkblad Laboratoriumwaarden en elektrolyten met antwoorden

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Naam: ____________________   Datum: ____________

1.Makkelijk

A tuberculin skin test (TST) is read as positive. What does this mean?

  1. AThe person is fully immune and can never develop TB
  2. BThe person definitely has active, contagious pulmonary TB
  3. CThe person has been infected with TB bacteria at some point
  4. DThe person has never been exposed to TB bacteria
2.Makkelijk

A patient who has not eaten for 2 days has ketones in the urine. What is the most likely reason?

  1. AThe bladder has a bacterial infection
  2. BThe kidneys are leaking protein
  3. CThe liver is making too much glucose
  4. DThe body is burning fat for energy
3.Makkelijk

A raised alpha-fetoprotein (AFP) in an adult is most closely linked to which cancer?

  1. AHepatocellular (liver) cancer
  2. BBladder urothelial cancer
  3. CProstate adenocarcinoma
  4. DDuctal breast cancer
4.Gemiddeld

A patient takes low-dose methotrexate weekly for rheumatoid arthritis. Which laboratory tests are monitored regularly?

  1. ASerum amylase, lipase and blood ketones
  2. BTroponin, creatine kinase and myoglobin
  3. CSerum lithium, sodium and urine specific gravity
  4. DComplete blood count, liver tests and kidney function
5.Gemiddeld

A patient on warfarin for atrial fibrillation has a target INR of 2,0–3,0. How does the usual target for a patient with a mechanical mitral valve compare?

  1. AThe same, 2,0–3,0
  2. BMuch higher, about 5,0–6,0
  3. CHigher, about 2,5–3,5
  4. DLower, about 1,0–1,5
6.Gemiddeld

A patient has a hot, swollen big toe. The serum uric acid is normal. Which statement is correct?

  1. AGout can only be diagnosed with a CT scan of the foot
  2. BGout is still possible, as urate can be normal in an attack
  3. CGout is certain, as a normal urate proves the diagnosis
  4. DGout is ruled out, as uric acid is always high in an attack
7.Moeilijk

A 5-year-old has new bruising and petechiae two weeks after a viral illness. Platelets are 12 × 10³/µL; hemoglobin, white cell count and clotting times are normal. Which condition is most likely?

  1. AImmune thrombocytopenia (ITP)
  2. BAcute leukemia
  3. CDisseminated intravascular coagulation
  4. DHemophilia A
8.Moeilijk

A patient who had pituitary surgery has fatigue and cold intolerance. The free T4 is low and the TSH is low. What does this pattern suggest?

  1. ASecondary (central) hypothyroidism from pituitary failure
  2. BPrimary hypothyroidism from failure of the thyroid gland
  3. CNormal thyroid function with a laboratory error in T4
  4. DHyperthyroidism from overactivity of the thyroid gland

Antwoordenblad

  1. 1. C · The person has been infected with TB bacteria at some point
  2. 2. D · The body is burning fat for energy
  3. 3. A · Hepatocellular (liver) cancer
  4. 4. D · Complete blood count, liver tests and kidney function
  5. 5. C · Higher, about 2,5–3,5
  6. 6. B · Gout is still possible, as urate can be normal in an attack
  7. 7. A · Immune thrombocytopenia (ITP)
  8. 8. A · Secondary (central) hypothyroidism from pituitary failure

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