Лабораторные показатели и электролиты: лист заданий с ответами

Serum amylase is less specific than lipase for pancreatitis because amylase also comes from:

1. AThe thyroid gland
2. BThe bone marrow
3. CThe heart muscle
4. DThe salivary glands

A low mean corpuscular hemoglobin concentration (MCHC) means that the red cells are:

1. AShaped like a sickle
2. BMore numerous than normal
3. CLarger than normal (macrocytic)
4. DPaler than normal (hypochromic)

A urine dipstick is positive for leukocyte esterase. What does this show?

1. ARed blood cells are present in the urine
2. BProtein is leaking through the glomeruli
3. CBilirubin is being passed in the urine
4. DWhite blood cells are present in the urine

A patient with recurrent gout starts allopurinol. Which laboratory result shows that the treatment is achieving its goal?

1. AA falling serum uric acid
2. BA rising serum calcium
3. CA rising white cell count
4. DA falling serum potassium

Which change in clotting tests is normal in late pregnancy?

1. APlatelets rise above 600 × 10³/µL
2. BaPTT doubles from baseline
3. CFibrinogen and D-dimer rise
4. DINR rises to about 3,0

У пациента с желудочковой аритмией на мониторе видна «вращающаяся» картина (torsades de pointes). Какой электролит обычно вводят внутривенно для лечения?

1. AКальция карбонат
2. BКалия фосфат
3. CНатрия бикарбонат
4. DМагния сульфат

A patient on stable digoxin starts amiodarone. A week later, the patient has nausea and visual changes, and the digoxin level is above the range. What is the most likely explanation?

1. AThe patient has started a viral illness
2. BAmiodarone has raised the digoxin level
3. CDigoxin has raised the amiodarone level
4. DAmiodarone has lowered potassium only

После операции у пациента, получающего большие объёмы гипотонического внутривенного раствора, появляются головная боль, тошнота и спутанность. Какой результат лучше всего это объясняет?

1. AНатрий 126 mEq/L
2. BКальций 9,4 mg/dL (2,35 mmol/L)
3. CГлюкоза 110 mg/dL (6,1 mmol/L)
4. DКалий 4,2 mEq/L