Лабораторные показатели и электролиты: лист заданий с ответами

A raised eosinophil count is most typical of:

1. AViral infections such as glandular fever
2. BAllergic conditions and parasitic infections
3. CAcute bacterial pneumonia and sepsis
4. DAcute blood loss after trauma

What is the main role of platelets?

1. ATo break down old red cells in the spleen
2. BTo carry oxygen and carbon dioxide in the blood
3. CTo produce antibodies against bacteria and viruses
4. DTo form a plug at the site of vessel injury

Калий в сыворотке 5,9 mEq/L называется:

1. AГипернатриемия
2. BГиперкалиемия
3. CГипокалиемия
4. DГиперкальциемия

After surgery for colon cancer, a patient's CEA had fallen to normal, but it has been rising over the last two checks. What does this most likely suggest?

1. AA sign of iron deficiency from the earlier bleeding
2. BA sure sign that the cancer has been fully cured
3. CPossible recurrence that needs further assessment
4. DA normal change after surgery that needs no follow-up

A patient with sickle cell disease takes hydroxyurea. Which laboratory test is monitored regularly for an adverse effect?

1. AComplete blood count
2. BUrine ketone level
3. CSerum amylase level
4. DSerum lithium level

A healthy woman at 28 weeks of pregnancy has a mildly lower hemoglobin than before pregnancy, with a normal MCV and ferritin. What is the most likely explanation?

1. APlasma volume rises more than red cell mass, diluting the blood
2. BThe fetus is destroying the mother's red cells in the circulation
3. CIron is being lost through the kidneys during the pregnancy
4. DPregnancy hormones stop the bone marrow from making red cells

Which set of results best shows that diabetic ketoacidosis is resolving?

1. AA closing anion gap with a rising bicarbonate and pH
2. BA falling glucose with a falling serum bicarbonate
3. CA falling glucose with a still widening anion gap
4. DA rising potassium with a falling bicarbonate

A patient on high-dose dexamethasone has a white cell count of 15 × 10³/µL, mostly mature neutrophils with no bands. They have no fever and no signs of infection. What is the most likely explanation?

1. ACertain sepsis that needs antibiotics started without delay
2. BA steroid effect that moves neutrophils into the circulating blood
3. CA new leukemia that is confirmed by this result alone
4. DA laboratory error, because steroids always lower the white count