Užduočių lapas tema Laboratorinės reikšmės ir elektrolitai su atsakymais

A positive hepatitis B surface antigen (HBsAg) test means:

1. AThe person had hepatitis A in the past
2. BThe person is immune from vaccination only
3. CThe person currently has hepatitis B infection
4. DThe person has never met the virus

Which drug commonly causes a low serum potassium?

1. AFurosemide
2. BSpironolactone
3. CLisinopril
4. DAmiloride

Which antibody test is most specific for rheumatoid arthritis?

1. AAntinuclear antibody
2. BAnti-HBs antibody
3. CAnti-D antibody
4. DAnti-CCP antibodies

When blood is drawn from a central venous catheter, why is a small volume of blood usually discarded first, according to policy?

1. ATo remove blood clots that form in all central lines
2. BTo avoid diluting the sample with flush or infusion fluid
3. CTo check that the catheter tip is still in the right vein
4. DTo lower the patient's hemoglobin for a blood transfusion

A 55-year-old has a positive fecal immunochemical test (FIT) during routine screening. What is the usual next step?

1. ANo action if there are no symptoms
2. BReferral for colonoscopy
3. CRepeat the test in 10 years
4. DStart an iron supplement only

Pacientui, sergančiam ciroze, albumino koncentracija 2,2 g/dL (22 g/L). Kuris radinys labiausiai su tuo susijęs?

1. APadidėjęs šlapimo kiekis
2. BAukštas kraujospūdis
3. CHiperkalemija
4. DEdema ir ascitas

A patient receiving IV magnesium sulfate has a respiratory rate of 9/min and absent patellar reflexes. After stopping the infusion, which medication should the nurse expect to give?

1. APotassium chloride
2. BCalcium gluconate
3. CSodium bicarbonate
4. DProtamine sulfate

A young woman with frequent self-induced vomiting has swollen salivary glands. Which laboratory pattern is most likely?

1. ALow potassium, high bicarbonate and high amylase
2. BHigh potassium, low bicarbonate and low amylase
3. CHigh calcium, high phosphate and high glucose
4. DLow sodium, low bicarbonate and high lipase