ورقة عمل القيم المخبرية والشوارد مع الإجابات

ما المدى المرجعي النموذجي لمغنيزيوم المصل لدى البالغين؟

1. Aنحو 3,5–5,0 mEq/L (1,75–2,5 mmol/L)
2. Bنحو 1,3–2,1 mEq/L (0,65–1,05 mmol/L)
3. Cنحو 6,0–8,0 mEq/L (3,0–4,0 mmol/L)
4. Dنحو 0,3–0,7 mEq/L (0,15–0,35 mmol/L)

What is a typical adult reference range for serum chloride?

1. AAbout 3,5–5,0 mEq/L
2. BAbout 22–28 mEq/L
3. CAbout 135–145 mEq/L
4. DAbout 98–106 mEq/L

The HbA1c reflects the average blood glucose over about which period?

1. AThe past 1–2 weeks
2. BThe past 1–2 years
3. CThe past 2–3 months
4. DThe past 24 hours

بعد جراحة النخامية، يخرج مريض نحو 400 mL من بول شاحب في الساعة بكثافة نوعية 1,002، وقد ارتفع الصوديوم إلى 149 mEq/L. أي حالة هي الأرجح؟

1. Aإصابة كلوية حادة مع قلة البول
2. Bفرط سكر الدم مع الحماض الكيتوني
3. CSIADH
4. Dالسكري الكاذب

A test has very high sensitivity for a disease. What does a negative result mean?

1. AThe disease is unlikely, so it helps rule it out
2. BThe patient must have a different disease instead
3. CThe result cannot be used, because sensitivity is high
4. DThe disease is certain, so treatment should begin

A patient with chronic kidney disease has a magnesium of 3,8 mEq/L (1,9 mmol/L). Which product is the most likely cause?

1. ALoop diuretics such as furosemide
2. BProton pump inhibitors taken long term
3. CMagnesium-containing laxatives or antacids
4. DExcess alcohol use over many years

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. BHemophilia A
3. CDisseminated intravascular coagulation
4. DImmune thrombocytopenia (ITP)

A patient has a hematocrit of 60% and a raised red cell mass. Which result suggests polycythemia vera rather than secondary polycythemia from chronic hypoxia?

1. AA high erythropoietin level
2. BA high carboxyhemoglobin
3. CA low oxygen saturation
4. DA low erythropoietin level