Cevaplı Laboratuvar değerleri ve elektrolitler çalışma kâğıdı

A urine dipstick is positive for leukocyte esterase. What does this show?

1. AWhite blood cells are present in the urine
2. BRed blood cells are present in the urine
3. CBilirubin is being passed in the urine
4. DProtein is leaking through the glomeruli

What is the usual BUN-to-creatinine ratio in a healthy adult (using mg/dL)?

1. AAbout 50:1 to 60:1
2. BAbout 100:1 to 200:1
3. CAbout 1:1 to 2:1
4. DAbout 10:1 to 20:1

In a standard 2-hour oral glucose tolerance test, what does the patient do?

1. AFasts for 3 days, and glucose is checked every morning before breakfast
2. BDrinks a measured glucose solution, and glucose is checked 2 hours later
3. CEats a normal meal, and glucose is checked once later that evening
4. DReceives an insulin injection, and glucose is checked each hour

A healthy patient's result is slightly outside the laboratory reference range, and all other results are normal. Which statement best explains why this can happen?

1. AReference ranges are the same in every laboratory worldwide
2. BRanges cover about 95% of healthy people, so some fall outside
3. CReference ranges include every healthy person without exception
4. DAny result outside the range always means disease is present

How does the nurse start a 24-hour urine collection at 08:00?

1. ASave the 08:00 urine as the first sample, then collect until 08:00 the next day
2. BCollect only the first urine passed on waking, and repeat this the next morning
3. CHave the patient void and discard that urine, then save all urine until 08:00 the next day
4. DSave three samples spread across the day and discard all of the urine passed at night

A patient on a heparin infusion has an aPTT below the target range on the protocol. What should the nurse do?

1. AAdjust the rate as the protocol directs and recheck as scheduled
2. BContinue the same rate and recheck the aPTT in a few days
3. CStop the infusion and give protamine sulfate as quickly as possible
4. DSwitch the infusion to oral warfarin without a prescription

Two weeks after a sore throat, a child develops dark (cola-colored) urine, puffy eyes and high blood pressure. Urinalysis shows red cell casts and protein. Which condition is most likely?

1. AKidney stone in the ureter
2. BPost-streptococcal glomerulonephritis
3. CLower urinary tract infection (cystitis)
4. DPrerenal acute kidney injury

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. AProtamine sulfate
2. BPotassium chloride
3. CCalcium gluconate
4. DSodium bicarbonate