ورقة عمل القيم المخبرية والشوارد مع الإجابات

Why is "free T₄" often measured rather than total T₄?

1. AThe free form is stored inside the pituitary
2. BThe free form is the only form made by the gland
3. CThe free form is the form excreted in urine
4. DThe free form is the unbound, active hormone

ماذا يقيس مستوى "الذروة" (peak) للدواء؟

1. Aأدنى تركيز في الدم قبل الجرعة التالية
2. Bالمستوى الذي يصبح عنده الدواء ساميًا
3. Cالمستوى المتوسط على مدى أسبوع
4. Dأعلى تركيز في الدم بعد الجرعة

What does the term "thrombocytosis" mean?

1. AA high platelet count
2. BA high white cell count
3. CA low red cell count
4. DA low platelet count

A week after a splenectomy, a patient's platelet count is 650 × 10³/µL. What is the best interpretation?

1. AA laboratory error, because platelets fall after splenectomy
2. BA sign of new leukemia that needs immediate chemotherapy
3. CAn expected rise after splenectomy that increases clot risk
4. DA sign of iron overload from the surgery and transfusion

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. BDisconnect the catheter from the tubing and let it drain
3. CPour urine from the drainage bag into a sterile cup
4. DAspirate from the sampling port with a sterile syringe

When should a blood sample for a digoxin level be drawn to be interpreted correctly?

1. AAt least 6–8 hours after a dose, often just before the next one
2. BAt any time, because digoxin levels do not change during the day
3. COnly after a meal, because food is needed for absorption
4. DWithin 30 minutes after an oral dose to show the peak level

The nurse teaches a patient with iron-deficiency anemia who is starting oral iron. Which statement shows a need for further teaching?

1. A"I can take it with orange juice to help absorption"
2. B"My stools may look darker while I take the tablets"
3. C"I'll keep the tablets out of reach of the children"
4. D"I'll take my iron tablet with a big glass of milk"

A patient with sepsis has the following new results. Which set best shows organ dysfunction?

1. AHemoglobin 12,5 g/dL, sodium 138 mEq/L, glucose 105 mg/dL
2. BCalcium 9,4 mg/dL, phosphate 3,5 mg/dL, magnesium 1,9 mEq/L
3. CPlatelets 70 × 10³/µL, creatinine doubled, bilirubin raised
4. DWBC 11,5 × 10³/µL, potassium 4,2 mEq/L, albumin 3,8 g/dL