实验室检查值与电解质练习卷（附答案）

What does a raised D-dimer level show?

1. AThe platelet count is too low to stop bleeding
2. BThe patient is taking too much warfarin
3. CFibrin clots are being formed and broken down in the body
4. DThe liver is no longer able to make clotting factors

成人血清钾的典型参考范围是多少？

1. A3.5–5.0 mEq/L
2. B6.0–8.0 mEq/L
3. C135–145 mEq/L
4. D1.3–2.1 mEq/L

Which liver test is especially sensitive to heavy alcohol use?

1. ACardiac troponin I or T
2. BSerum lipase (pancreatic enzyme)
3. CGamma-glutamyl transferase (GGT)
4. DSerum creatinine and BUN

A pregnant woman's blood type is O Rh-negative, and her antibody screen (indirect Coombs test) is negative. What is usually offered at about 28 weeks?

1. AA transfusion of group O Rh-positive red cells
2. BDaily oral iron and folic acid supplements only
3. CAnti-D immunoglobulin (Rho(D) immune globulin)
4. DAn IV dose of vitamin K given for the fetus

A patient is on an IV insulin infusion protocol in the ICU. How often is the blood glucose usually checked?

1. AOnce a day before breakfast
2. BAbout every hour
3. COnce every 12 hours
4. DOnly if symptoms occur

Two sets of blood cultures are ordered for a patient with suspected sepsis. How are they best collected?

1. ABoth from the same site, one minute apart, to save time for the patient
2. BFrom the existing IV line while the infusion continues to run
3. CFrom two separate venipuncture sites, using strict aseptic technique
4. DAfter the first antibiotic dose, so the infusion is not delayed

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. AVitamin K deficiency from poor diet
2. BDisseminated intravascular coagulation
3. CHemophilia A (factor VIII deficiency)
4. DImmune thrombocytopenia (ITP)

A patient without diabetes in the ICU with sepsis has a glucose of 260 mg/dL (14.4 mmol/L) and an HbA1c of 5.2%. What is the best interpretation?

1. AStress hyperglycemia from acute illness
2. BLong-standing undiagnosed type 2 diabetes
3. CA meter error, because HbA1c is normal
4. DType 1 diabetes from autoimmune damage