Užduočių lapas tema Laboratorinės reikšmės ir elektrolitai su atsakymais

What does the red cell distribution width (RDW) describe?

1. AHow much the red cells vary in size
2. BHow long red cells survive in the blood
3. CHow many red cells are young cells
4. DHow fast the red cells settle in a tube

Which hormone is measured in blood or urine to test for pregnancy?

1. AFollicle-stimulating hormone (FSH)
2. BAntidiuretic hormone (ADH)
3. CThyroid-stimulating hormone (TSH)
4. DHuman chorionic gonadotropin (hCG)

Why is serum creatinine a better marker of kidney function than BUN?

1. AIt is less affected by diet, hydration and bleeding in the gut
2. BIt is not filtered by the kidneys, so its level stays very stable
3. CIt is made by the liver, so it rises in every kind of illness
4. DIt is affected mainly by protein intake, which is easy to control

A patient is starting dabigatran, a direct oral anticoagulant. Which laboratory test is most important to review before the first dose?

1. AKidney function (creatinine clearance)
2. BLipase, to rule out an inflamed pancreas first
3. CINR, to set the dose of the anticoagulant
4. DTSH, to rule out an overactive thyroid gland

A patient with chronic kidney disease receives an erythropoiesis-stimulating agent such as epoetin alfa. Which assessments are most important?

1. ASerum amylase and lipase
2. BSerum glucose and ketones
3. CLiver enzymes and bilirubin
4. DHemoglobin and blood pressure

A patient with chronic kidney disease has a magnesium of 3,8 mEq/L (1,9 mmol/L). Which product is the most likely cause?

1. AExcess alcohol use over many years
2. BLoop diuretics such as furosemide
3. CMagnesium-containing laxatives or antacids
4. DProton pump inhibitors taken long term

Apiksabaną vartojantis pacientas klausia, kodėl jam nereikia reguliarių INR tyrimų kaip varfariną vartojančiam kaimynui. Koks geriausias paaiškinimas?

1. AApiksabanas iš tikrųjų neskystina kraujo
2. BApiksabanas vietoj to stebimas kasdien aPTT
3. CINR slapta tikrinamas kartu su kitais įprastais kraujo tyrimais
4. DJo poveikis nuspėjamas, todėl įprastų krešėjimo tyrimų nereikia

Weeks after neck surgery, a patient has muscle cramps and tingling. Calcium is low, phosphate is high and parathyroid hormone (PTH) is low. Which condition fits best?

1. APrimary hyperparathyroidism
2. BHypoparathyroidism
3. CChronic kidney disease
4. DVitamin D toxicity