उत्तरों सहित प्रयोगशाला मान और इलेक्ट्रोलाइट वर्कशीट

What is the usual target INR for a patient taking warfarin for a deep vein thrombosis?

1. A2.0–3.0
2. B1.0–1.5
3. C4.0–5.0
4. D0.8–1.2

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

1. AHepatocellular (liver) cancer
2. BProstate adenocarcinoma
3. CDuctal breast cancer
4. DBladder urothelial cancer

Which antibody test is most specific for rheumatoid arthritis?

1. AAnti-D antibody
2. BAntinuclear antibody
3. CAnti-HBs antibody
4. DAnti-CCP antibodies

A patient without symptoms has a fasting plasma glucose of 132 mg/dL (7.3 mmol/L) on Monday and 138 mg/dL (7.7 mmol/L) on Thursday. What does this show?

1. AThe results meet the criteria for diabetes
2. BThe results are within the normal fasting range
3. CThe results show reactive hypoglycemia
4. DThe results show prediabetes only

A patient with hepatic encephalopathy is receiving lactulose. Which finding best shows that the treatment is effective?

1. ASix to eight watery stools a day with dizziness
2. BTwo to three soft stools a day and clearer thinking
3. CA rising serum ammonia with a slower flapping tremor
4. DNo bowel movement for 2 days and calm sleep

A patient with schizophrenia is starting clozapine. Which laboratory value must be monitored regularly?

1. ASerum lithium level
2. BInternational normalized ratio
3. CSerum amylase
4. DAbsolute neutrophil count

A patient with severe hypertriglyceridemia has a measured sodium of 128 mEq/L, but a measured serum osmolality is normal, and the patient has no symptoms. What is the most likely explanation?

1. AHyponatremia caused by drinking far too much water
2. BHyponatremia caused by severe hyperglycemia in diabetes
3. CTrue hyponatremia from SIADH that needs fluid restriction
4. DPseudohyponatremia, an artifact caused by very high lipids

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. AImmune thrombocytopenia (ITP)
2. BVitamin K deficiency from poor diet
3. CHemophilia A (factor VIII deficiency)
4. DDisseminated intravascular coagulation