Робочий аркуш «Лабораторні показники та електроліти» з відповідями

What does the term pancytopenia mean?

1. ALow red cells with normal platelets
2. BLow red cells, white cells and platelets
3. CHigh red cells, white cells and platelets
4. DHigh white cells with low platelets

A patient on warfarin asks what an INR of 2,0 means. Which explanation is best?

1. AYour blood takes about twice as long as normal to clot
2. BYour warfarin dose is twice what it should be
3. CYou have twice the normal number of platelets
4. DYour blood clots about twice as fast as is normal

Натрій у сироватці 128 mEq/L називається:

1. AГіпокаліємія
2. BГіпонатріємія
3. CГіперкаліємія
4. DГіпернатріємія

A blood sample drawn just after a patient ate a fatty meal is reported as "lipemic." What does this mean for the results?

1. AThe sample was contaminated by an IV fluid with dextrose
2. BHigh fat in the sample may interfere with some test results
3. CThe results are more accurate than in a fasting sample
4. DThe sample shows the patient has diabetic ketoacidosis

Which instruction is correct for a patient taking an oral potassium chloride supplement?

1. ATake it with food and a full glass of water, and do not crush extended-release tablets
2. BUse a salt substitute as well, so less of the tablet is needed each day
3. CCrush the extended-release tablets and mix them with a little water if needed
4. DTake it on an empty stomach with only a small sip of water to speed absorption

A urine culture is ordered for a patient with an indwelling urinary catheter. How should the nurse collect the sample?

1. ARemove the catheter and culture the catheter tip
2. BAspirate from the sampling port with a sterile syringe
3. CDisconnect the catheter from the tubing and let it drain
4. DPour urine from the drainage bag into a sterile cup

A patient has a positive hepatitis C antibody (anti-HCV) test. What is the most appropriate next step?

1. ARepeat the antibody test, as a positive test is always false
2. BTell the patient they definitely have chronic hepatitis C
3. CTest for HCV RNA to find out whether infection is current
4. DGive hepatitis C vaccine to prevent further infection

A patient has marked generalized edema. Results show heavy proteinuria, serum albumin 1,8 g/dL (18 g/L) and total cholesterol 340 mg/dL (8,8 mmol/L). Which condition fits best?

1. ALiver cirrhosis only
2. BNephrotic syndrome
3. CAcute pyelonephritis
4. DPrerenal kidney injury