정답이 있는 검사 수치와 전해질 학습지

How does dehydration usually affect the hematocrit?

1. AIt makes it zero
2. BIt has no effect
3. CIt lowers it
4. DIt raises it

Why is prealbumin (transthyretin) sometimes used to follow a patient's nutritional status instead of albumin?

1. AIt is not affected by inflammation or liver disease
2. BIt has a long half-life, so it changes over months
3. CIt has a short half-life, so it changes within days
4. DIt is measured in urine, so no blood test is needed

The tumor marker CA-125 is most often used to follow which cancer?

1. AColon cancer
2. BOvarian cancer
3. CLung cancer
4. DThyroid cancer

A patient takes valproate (valproic acid) for epilepsy. Which tests are monitored regularly?

1. ASerum lithium and urine specific gravity
2. BTroponin and B-type natriuretic peptide
3. CThyroid function and serum calcium
4. DLiver function tests and platelet count

A patient with an upper gastrointestinal bleed has a BUN of 48 mg/dL (urea 17 mmol/L) and a normal creatinine. What is the most likely explanation?

1. AThe liver has stopped making urea because of the bleeding
2. BThe kidneys have suddenly lost most of their function
3. CSkeletal muscle is breaking down because of the blood loss
4. DDigested blood adds protein, which the liver turns into urea

A patient is starting atorvastatin. Which laboratory test is usually checked at baseline?

1. ALiver enzymes
2. BThyroid antibodies
3. CSerum lipase
4. DBlood cultures

Which set of results most strongly suggests hemolytic anemia?

1. ALow hemoglobin, low reticulocytes, low MCV, low ferritin
2. BLow hemoglobin, high MCV, low vitamin B₁₂, normal bilirubin
3. CLow hemoglobin, high reticulocytes, high unconjugated bilirubin, high LDH
4. DLow hemoglobin, low platelets, low white cells, low reticulocytes

심부전 환자의 BNP가 입원 때 매우 높았다가 이뇨제 치료 후 떨어지고 있습니다. 이는 가장 가능성이 높게 무엇을 보여 주나요?

1. A이뇨제를 즉시 중단해야 한다는 것
2. B심장에 가해지는 늘어남이 줄었으며 호전에 부합한다
3. C이뇨제로 인한 새로운 신부전
4. D수액이 더 필요한 심부전의 악화