정답이 있는 검사 수치와 전해질 학습지

Which condition commonly causes a high serum potassium?

1. ARepeated vomiting
2. BLoop diuretic use
3. CSevere diarrhea
4. DKidney failure

A laboratory reports that a blood sample is "hemolyzed." What does this mean?

1. AThe sample contains too many platelets
2. BThe sample has a very low hemoglobin
3. CThe sample was taken from an artery
4. DRed cells in the sample have broken open

Thrombocytopenia is usually defined as a platelet count below:

1. A150 × 10³/µL (150 × 10⁹/L)
2. B450 × 10³/µL (450 × 10⁹/L)
3. C1,000 × 10³/µL (1,000 × 10⁹/L)
4. D15 × 10³/µL (15 × 10⁹/L)

디곡신을 투여할 시간이 된 환자의 칼륨이 3.1 mEq/L입니다. 이 결과가 왜 중요한가요?

1. A낮은 칼륨은 디곡신을 무효로 만들므로 용량을 두 배로 해야 한다
2. B칼륨과 디곡신은 상호작용하지 않는다
3. C낮은 칼륨은 디곡신의 부작용으로부터 심장을 보호한다
4. D낮은 칼륨은 디곡신 독성의 위험을 높인다

A patient had a total thyroidectomy yesterday. Which laboratory value is most important to monitor in the first days after surgery?

1. ASerum calcium
2. BSerum glucose
3. CSerum potassium
4. DSerum sodium

간부전 환자가 와파린을 복용하지 않는데도 INR이 높아질 수 있는 이유는 무엇인가요?

1. A신장이 혈액에서 응고 인자를 제거하지 못한다
2. B간이 대부분의 응고 인자를 만들므로 생성이 줄어든다
3. C알부민이 응고 인자이며 그 농도가 떨어진다
4. D빌리루빈이 응고 인자를 직접 파괴한다

A patient with suspected Cushing syndrome takes dexamethasone at night. The next morning, the cortisol is still high. What does this suggest?

1. AThe result is normal, as dexamethasone raises cortisol
2. BCortisol is being produced without normal feedback control
3. CThe adrenal glands are not able to produce enough cortisol
4. DThe patient has primary hypothyroidism instead

A man of Mediterranean descent develops dark urine, jaundice and a falling hemoglobin a few days after eating fava beans. Which condition is most likely?

1. AVitamin B₁₂ deficiency anemia
2. BIron-deficiency anemia from poor diet
3. CSickle cell crisis with vaso-occlusion
4. DG6PD deficiency with acute hemolysis