ورقة عمل القيم المخبرية والشوارد مع الإجابات

At what time of day is serum cortisol normally highest?

1. AEarly morning
2. BLate afternoon
3. CAround midnight
4. DAfter the evening meal

What does the term "thrombocytosis" mean?

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

ما المدى المرجعي النموذجي لصوديوم المصل لدى البالغين؟

1. A150–165 mEq/L
2. B3,5–5,0 mEq/L
3. C95–105 mEq/L
4. D135–145 mEq/L

Why must a blue-top (citrate) coagulation tube be filled to the correct level?

1. AUnderfilled tubes always give a falsely low hemoglobin and hematocrit
2. BAn overfull tube is needed to measure the potassium level
3. CThe laboratory charges extra when a tube is not filled correctly
4. DThe blood-to-anticoagulant ratio must be right for accurate clotting times

قبل إعطاء كلوريد البوتاسيوم الوريدي الموصوف، أي تقييم هو الأهم؟

1. Aالسمع في كلتا الأذنين
2. Bإدرار البول ووظائف الكلى
3. Cحجم الحدقة واستجابتها للضوء
4. Dمرونة الجلد على الساعد

When should a blood specimen tube be labeled?

1. AIn the laboratory, by the staff who receive the unlabeled sample
2. BBefore entering the room, so tubes are ready for the next patients
3. CAt the bedside, in the patient's presence, using two identifiers
4. DAt the nurses' station, after all samples for the shift are drawn

The nurse teaches a patient with thrombocytopenia (platelets 25 × 10³/µL) about home safety. Which statement shows a need for further teaching?

1. A"I'll take aspirin if I get a headache"
2. B"I'll blow my nose gently, not forcefully"
3. C"I'll use an electric razor to shave"
4. D"I'll use a soft-bristled toothbrush"

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