Lembaran kerja Nilai makmal & elektrolit dengan jawapan

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

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

Which antibody test is most specific for rheumatoid arthritis?

1. AAntinuclear antibody
2. BAnti-D antibody
3. CAnti-CCP antibodies
4. DAnti-HBs antibody

A urine dipstick is positive for nitrites. What does this most likely show?

1. ABacteria in the urine that convert nitrate to nitrite
2. BKetones produced from fat breakdown in fasting
3. CRed blood cells leaking from the glomeruli
4. DGlucose spilling into the urine from high blood levels

A patient has burning on urination and frequency. The dipstick is positive for nitrites and leukocyte esterase, and a urine culture is ordered. When should the sample be taken?

1. AAt any time, as antibiotics do not matter
2. BBefore the first dose of antibiotic
3. CAfter 3 days of antibiotic treatment
4. DAfter the symptoms have fully settled

A patient with diabetes is found unconscious with a blood glucose of 38 mg/dL (2.1 mmol/L). Which treatment is appropriate?

1. AGlucagon by injection, or IV dextrose as prescribed
2. BOrange juice poured slowly into the patient's mouth
3. CA dose of rapid-acting insulin to stabilize the glucose
4. DGlucose tablets placed between the patient's teeth

A patient had a total gastrectomy. Which long-term therapy is needed to prevent anemia?

1. AWeekly doses of oral vitamin K tablets
2. BLifelong oral folic acid tablets only
3. CLifelong vitamin B₁₂ replacement
4. DMonthly transfusions of red blood cells

A patient stopped long-term prednisone suddenly a week ago. Now: blood pressure 78/46 mm Hg, sodium 128 mEq/L, potassium 4.6 mEq/L, glucose 58 mg/dL (3.2 mmol/L). Which condition is most likely?

1. AAcute adrenal insufficiency (adrenal crisis)
2. BPrimary hyperaldosteronism (Conn syndrome)
3. CSyndrome of inappropriate ADH (SIADH)
4. DCushing syndrome from steroid excess

A patient receiving chemotherapy has a white cell count of 1.8 × 10³/µL with 20% neutrophils and 5% bands. What is the absolute neutrophil count (ANC)?

1. A360/µL
2. B4,500/µL
3. C450/µL
4. D1,800/µL