Wartości laboratoryjne i elektrolity: karta pracy z odpowiedziami

Which ECG change is linked to hypercalcemia?

1. AA prolonged QT interval
2. BTall, peaked T waves
3. CProminent U waves
4. DA shortened QT interval

Which laboratory test best reflects the body's iron stores?

1. APlatelet count
2. BSerum albumin
3. CSerum ferritin
4. DSerum sodium

The prostate-specific antigen (PSA) test is used mainly in relation to which organ?

1. APancreas
2. BThyroid gland
3. CPituitary gland
4. DProstate gland

A patient with central diabetes insipidus starts desmopressin. Which laboratory result is most important to monitor for an adverse effect?

1. ASerum glucose, which may rise very high
2. BSerum potassium, which may rise too high
3. CSerum sodium, which may fall too low
4. DSerum calcium, which may rise too high

Why is a baseline platelet count taken before starting heparin therapy?

1. ASo a later fall from heparin-induced thrombocytopenia is detected
2. BBecause heparin increases the platelet count to dangerous levels
3. CSo that the INR can be calculated from the platelet count later
4. DBecause heparin is given at a dose based on the platelet count

A patient on levothyroxine has palpitations, weight loss and a TSH of 0,05 mIU/L. What is the most likely explanation?

1. AThe patient has stopped the drug
2. BThe levothyroxine dose is too high
3. CThe levothyroxine dose is too low
4. DThe thyroid is now completely normal

A child with sickle cell disease and a recent viral illness is pale and tired. The hemoglobin has fallen sharply, and the reticulocyte count is very low. What is the most likely problem?

1. AIron deficiency from a poor diet over months
2. BA vaso-occlusive pain crisis in the bones
3. CA normal finding in sickle cell disease
4. DAn aplastic crisis, often caused by parvovirus B19

Które stwierdzenie najsilniej sugeruje, że podwyższona kreatynina pacjenta wynika z ostrego uszkodzenia nerek, a nie z długotrwałej przewlekłej choroby nerek?

1. APacjent ma małe nerki w badaniu ultrasonograficznym
2. BKreatynina była prawidłowa trzy dni temu i od tego czasu podwoiła się
3. CPacjent od wielu lat ma wysoką kreatyninę
4. DPacjent od dawna ma niedokrwistość