Phiếu bài tập Giá trị xét nghiệm và điện giải có đáp án

Which type of white blood cell is normally the most numerous in an adult's blood?

1. AMonocytes
2. BLymphocytes
3. CNeutrophils
4. DEosinophils

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

1. A1,0–1,5
2. B2,0–3,0
3. C4,0–5,0
4. D0,8–1,2

In a healthy adult, the CSF glucose is usually about what proportion of the blood glucose?

1. AAbout one tenth (10%)
2. BAbout double (200%)
3. CExactly the same (100%)
4. DAbout two-thirds (60%)

Apart from the lithium level, which tests are monitored regularly in long-term lithium therapy?

1. AINR and the platelet count
2. BKidney function and thyroid function
3. CLiver enzymes and serum amylase
4. DTroponin and creatine kinase (CK)

Which instruction is correct for a patient starting oral iron tablets?

1. ATake each tablet with milk to protect the stomach
2. BYour stools may turn dark green or black
3. CTake the tablet with an antacid to improve absorption
4. DYour urine will turn bright orange while you take it

Which finding during a transfusion suggests transfusion-associated circulatory overload (TACO)?

1. ABack pain with dark red urine output
2. BCrackles, hypertension and a raised BNP
3. CHives and itching without other signs
4. DA low temperature and slow heart rate

A patient with long-term heavy alcohol use is admitted with alcohol withdrawal. Which group of electrolyte problems is most common?

1. ALow magnesium, low phosphate and low potassium
2. BHigh magnesium, high phosphate and high potassium
3. CLow chloride, high bicarbonate and high calcium
4. DHigh sodium, high calcium and high glucose

A frail older adult in a nursing home has been drinking very little during a heat wave. She is confused, and her sodium is 158 mEq/L. Which treatment would the nurse expect?

1. AA loop diuretic to remove the extra sodium quickly
2. BGradual replacement of free water over many hours
3. CStrict fluid restriction to below 800 mL a day
4. DRapid infusion of 3% saline to raise the volume