Cevaplı Laboratuvar değerleri ve elektrolitler çalışma kâğıdı

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

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

What is a typical reference range for urine specific gravity in an adult?

1. AAbout 1,005–1,030
2. BAbout 1,040–1,060
3. CAbout 1,100–1,300
4. DAbout 0,900–0,990

Serum sodyumu için tipik yetişkin referans aralığı nedir?

1. A150–165 mEq/L
2. B95–105 mEq/L
3. C135–145 mEq/L
4. D3,5–5,0 mEq/L

A patient with suspected pulmonary TB needs sputum samples for acid-fast bacilli. Which instruction is correct?

1. AGive several samples of nasal mucus blown into a tissue
2. BGive one sample of saliva collected from the mouth at any time of day
3. CGive one sample after brushing with mouthwash so it is clean
4. DGive several deep-cough samples, often first thing in the morning

İki gündür kusan bir hastanın BUN'u 32 mg/dL'dir (üre 11,4 mmol/L) ve kreatinini normaldir. En olası neden nedir?

1. AAşırı hidrasyon
2. BDehidratasyon
3. CKaraciğer yetmezliği
4. DDüşük proteinli diyet

A patient's potassium is unexpectedly 5,8 mEq/L. The sample was taken after the tourniquet was on for several minutes while the patient pumped their fist. What is the best interpretation?

1. AFist pumping lowers potassium, so the true level is even higher
2. BThe result confirms true hyperkalemia and needs no further checking
3. CTourniquet time affects only the glucose result, not the potassium
4. DThe result may be falsely high and should be repeated with better technique

A patient using an insulin pump has a glucose of 300 mg/dL (16,7 mmol/L) that has not fallen 2 hours after a correction bolus through the pump. Blood ketones are 1,8 mmol/L. What is the most likely problem and action?

1. ARebound after a hypo; give fast-acting carbohydrate and recheck in 15 minutes
2. BNormal pump function; wait for the next mealtime bolus to lower the glucose
3. CInsulin delivery failure; inject a correction dose by pen and change the set
4. DInsulin overdose from the pump; suspend the pump and stop all insulin for a day

Bir aPTT sonucu son derece yüksektir, ancak hemşire örneğin heparin infüzyonunun aktığı koldan alındığını öğrenir. En iyi eylem nedir?

1. AHeparin infüzyonunu kalıcı olarak durdurmak ve sağlık profesyonelini bilgilendirmek
2. BSonucu kabul etmek ve infüzyon hızını yarıya indirmek
3. CDoz ayarlanmadan önce karşı koldan yeni bir örnek istemek
4. DHeparini geri çevirmek için hemen protamin vermek