Lembaran kerja Nilai makmal & elektrolit dengan jawapan

Lembaran kerja Nilai makmal & elektrolit percuma untuk dicetak: 8 soalan dari mudah hingga tahap peperiksaan, dengan skema jawapan. Cetak atau simpan sebagai PDF.

Lembaran kerja baharuBerlatih dalam talian dengan petunjuk

Untuk pensyarah dan guru: percuma untuk dicetak, disalin dan digunakan di dalam kelas. Setiap lembaran kerja baharu mempunyai nilai baharu dan skema jawapannya sendiri. Pautan ke ExamProblems di halaman kursus anda amat dihargai.

Nama: ____________________   Tarikh: ____________

1.Mudah

What does the specificity of a diagnostic test describe?

  1. AThe total number of people who take the test each year
  2. BThe proportion of people with the disease who test positive
  3. CThe proportion of people without the disease who test negative
  4. DThe cost of the test compared with other tests
2.Mudah

What is the usual BUN-to-creatinine ratio in a healthy adult (using mg/dL)?

  1. AAbout 50:1 to 60:1
  2. BAbout 10:1 to 20:1
  3. CAbout 1:1 to 2:1
  4. DAbout 100:1 to 200:1
3.Mudah

What is the effect of insulin on serum potassium?

  1. AIt makes the kidneys keep more potassium in the blood
  2. BIt has no effect on potassium in any amount
  3. CIt moves potassium out of cells, raising the serum level
  4. DIt moves potassium into cells, lowering the serum level
4.Sederhana

In the US, when is a pregnant woman without known risk factors usually screened for gestational diabetes?

  1. AOnly after the baby is born
  2. BAt about 38–40 weeks of pregnancy
  3. CAt about 24–28 weeks of pregnancy
  4. DAt about 6–8 weeks of pregnancy
5.Sederhana

A patient takes high-dose biotin supplements for hair and nails. Why should the nurse report this before blood tests?

  1. ABiotin makes the blood clot in the tube before testing
  2. BBiotin lowers the hemoglobin by destroying the red cells
  3. CBiotin can distort some immunoassays, such as troponin or TSH
  4. DBiotin causes a true rise in blood glucose in all patients
6.Sederhana

A patient is starting dabigatran, a direct oral anticoagulant. Which laboratory test is most important to review before the first dose?

  1. AKidney function (creatinine clearance)
  2. BINR, to set the dose of the anticoagulant
  3. CLipase, to rule out an inflamed pancreas first
  4. DTSH, to rule out an overactive thyroid gland
7.Sukar

A young man has a swollen knee after minor trauma. His aPTT is prolonged, but his PT/INR and platelet count are normal. Which condition fits best?

  1. ADisseminated intravascular coagulation
  2. BVitamin K deficiency from poor diet
  3. CHemophilia A (factor VIII deficiency)
  4. DImmune thrombocytopenia (ITP)
8.Sukar

A patient without diabetes in the ICU with sepsis has a glucose of 260 mg/dL (14.4 mmol/L) and an HbA1c of 5.2%. What is the best interpretation?

  1. AStress hyperglycemia from acute illness
  2. BType 1 diabetes from autoimmune damage
  3. CA meter error, because HbA1c is normal
  4. DLong-standing undiagnosed type 2 diabetes

Kunci jawapan

  1. 1. C · The proportion of people without the disease who test negative
  2. 2. B · About 10:1 to 20:1
  3. 3. D · It moves potassium into cells, lowering the serum level
  4. 4. C · At about 24–28 weeks of pregnancy
  5. 5. C · Biotin can distort some immunoassays, such as troponin or TSH
  6. 6. A · Kidney function (creatinine clearance)
  7. 7. C · Hemophilia A (factor VIII deficiency)
  8. 8. A · Stress hyperglycemia from acute illness

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