解答つき検査値と電解質ワークシート

A raised serum uric acid is most closely linked to which condition?

1. AIron-deficiency anemia
2. BHypothyroidism
3. CGout
4. DOsteoporosis

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

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

A urine dipstick is positive for nitrites. What does this most likely show?

1. AGlucose spilling into the urine from high blood levels
2. BRed blood cells leaking from the glomeruli
3. CKetones produced from fat breakdown in fasting
4. DBacteria in the urine that convert nitrate to nitrite

A patient with diabetes also takes propranolol. Why is regular glucose monitoring especially important?

1. AThe drug stops the meter from reading correctly
2. BThe drug can mask warning signs of hypoglycemia
3. CThe drug blocks the insulin injection site
4. DThe drug causes very high glucose in all patients

Which change in clotting tests is normal in late pregnancy?

1. AINR rises to about 3.0
2. BPlatelets rise above 600 × 10³/µL
3. CaPTT doubles from baseline
4. DFibrinogen and D-dimer rise

A trauma patient receives 2 L of IV crystalloid. The hemoglobin falls from 13.0 to 11.4 g/dL (130 to 114 g/L), and the vital signs are now stable. Which explanation is most likely?

1. AA laboratory error in the first sample
2. BDilution of the blood by the IV fluid
3. CA sudden failure of the bone marrow
4. DIncreased red cell production

A patient with right upper abdominal pain from gallstones now has jaundice, a total bilirubin of 4.8 mg/dL (82 µmol/L) and a raised ALP. What is the most likely cause?

1. AA stone blocking the common bile duct
2. BHemolysis caused by the gallstones
3. CGilbert syndrome triggered by pain
4. DUncomplicated gallbladder inflammation

A patient with a round face, central weight gain and purple stretch marks has a glucose of 210 mg/dL (11.7 mmol/L) and a potassium of 3.1 mEq/L. Which condition fits best?

1. ADiabetes insipidus
2. BHypothyroidism
3. CCushing syndrome
4. DAdrenal insufficiency