Cevaplı Laboratuvar değerleri ve elektrolitler çalışma kâğıdı

Bir ilacın “tepe (peak)” düzeyi neyi ölçer?

1. ABir dozdan sonraki en yüksek kan konsantrasyonunu
2. BBir sonraki dozdan önceki en düşük kan konsantrasyonunu
3. Cİlacın toksik hâle geldiği düzeyi
4. DBir haftalık ortalama düzeyi

A urine dipstick is positive for nitrites. What does this most likely show?

1. AKetones produced from fat breakdown in fasting
2. BRed blood cells leaking from the glomeruli
3. CBacteria in the urine that convert nitrate to nitrite
4. DGlucose spilling into the urine from high blood levels

How does active vitamin D (calcitriol) affect calcium?

1. AIt increases calcium absorption from the gut
2. BIt moves calcium out of the blood into cells
3. CIt blocks calcium absorption from the gut
4. DIt increases calcium loss in the urine

A patient on hemodialysis has an arteriovenous (AV) fistula in the left arm. Where should the nurse draw routine blood samples?

1. AFrom the fistula
2. BFrom the left hand
3. CFrom the left wrist
4. DFrom the right arm

Heparin infüzyonundaki bir hastanın aPTT'si 110 saniyedir; protokol hedefi 30 saniyelik kontrolün 1,5–2,5 katıdır. Hemşire ne yapmalıdır?

1. ASonuç hedef aralığın üzerinde olduğu için infüzyon hızını artırmalıdır
2. BHeparin protokolünü izlemeli, kanamayı kontrol etmeli ve sağlık profesyonelini bilgilendirmelidir
3. CDeğişiklik yapmadan sürdürmeli ve aPTT'yi ertesi sabah tekrarlamalıdır
4. DReçete edildiği şekilde K vitamini vermeli ve infüzyona devam etmelidir

Two sets of blood cultures are ordered for a patient with suspected sepsis. How are they best collected?

1. ABoth from the same site, one minute apart, to save time for the patient
2. BFrom two separate venipuncture sites, using strict aseptic technique
3. CFrom the existing IV line while the infusion continues to run
4. DAfter the first antibiotic dose, so the infusion is not delayed

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. BAn aplastic crisis, often caused by parvovirus B19
3. CA vaso-occlusive pain crisis in the bones
4. DA normal finding in sickle cell disease

The nurse teaches a patient who is starting warfarin. Which statement shows a need for further teaching?

1. A"I will have my INR checked as often as I am told to"
2. B"I will tell my dentist and pharmacist that I take warfarin"
3. C"If I miss a dose, I will take two tablets the next day"
4. D"I will keep my intake of green leafy vegetables about the same"