Lembaran kerja Nilai makmal & elektrolit dengan jawapan

A positive hepatitis B surface antigen (HBsAg) test means:

1. AThe person had hepatitis A in the past
2. BThe person has never met the virus
3. CThe person currently has hepatitis B infection
4. DThe person is immune from vaccination only

In iron-deficiency anemia, the transferrin saturation is usually:

1. ANormal
2. BVariable
3. CLow
4. DHigh

What does a creatinine clearance measured from a 24-hour urine collection estimate?

1. AThe glomerular filtration rate
2. BThe concentrating ability of the urine
3. CThe amount of protein lost from the blood
4. DThe rate of red cell production

Perubahan ECG manakah yang dikaitkan dengan hipokalsemia?

1. AGelombang T yang tinggi dan runcing
2. BSela QT yang memanjang
3. CGelombang delta yang menonjol
4. DSela QT yang memendek

Apart from the lithium level, which tests are monitored regularly in long-term lithium therapy?

1. ALiver enzymes and serum amylase
2. BINR and the platelet count
3. CKidney function and thyroid function
4. DTroponin and creatine kinase (CK)

A tired patient with heavy menstrual periods has a normal hemoglobin and MCV but a ferritin of 8 ng/mL. What does this show?

1. AIron overload from too much iron
2. BA completely normal iron status
3. CVitamin B₁₂ deficiency anemia
4. DIron deficiency without anemia yet

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. AAcute leukemia
2. BDisseminated intravascular coagulation
3. CHemophilia A
4. DImmune thrombocytopenia (ITP)

Keputusan aPTT sangat tinggi, tetapi jururawat mendapati sampel diambil dari lengan tempat infusi heparin mengalir. Apakah tindakan terbaik?

1. ATerima keputusan itu dan kurangkan kadar infusi separuh
2. BMinta sampel baharu dari lengan yang bertentangan sebelum dos dilaraskan
3. CBeri protamina serta-merta untuk membalikkan heparin
4. DHentikan infusi heparin secara kekal dan maklumkan pembekal