ورقة عمل القيم المخبرية والشوارد مع الإجابات

Which laboratory test is traditionally used to adjust a continuous infusion of unfractionated heparin?

1. AInternational normalized ratio (INR)
2. BErythrocyte sedimentation rate (ESR)
3. CActivated partial thromboplastin time (aPTT)
4. DPlatelet function assay (PFA-100 test)

What is a typical reference range for the hematocrit in an adult woman?

1. AAbout 55–65%
2. BAbout 35–45%
3. CAbout 10–15%
4. DAbout 20–28%

What is the usual target INR for a patient taking warfarin for a deep vein thrombosis?

1. A1,0–1,5
2. B2,0–3,0
3. C0,8–1,2
4. D4,0–5,0

لدى مريض هيماتوكريت 54%، وBUN مرتفع، وكثافة نوعية للبول 1,034. ماذا يوحي هذا النمط؟

1. Aفشل كلوي مع بول مخفف
2. Bنزف حاد مع تخفيف
3. Cالجفاف مع تركّز الدم
4. Dفرط حمل السوائل

When is a peak level for an IV aminoglycoside such as gentamicin usually drawn?

1. AAbout 30 minutes after the infusion ends
2. BExactly 24 hours after the first dose
3. CAt any time convenient for the patient
4. DJust before the next dose is started

A patient is starting dabigatran, a direct oral anticoagulant. Which laboratory test is most important to review before the first dose?

1. AINR, to set the dose of the anticoagulant
2. BTSH, to rule out an overactive thyroid gland
3. CKidney function (creatinine clearance)
4. DLipase, to rule out an inflamed pancreas first

مريض على تسريب إنسولين وريدي سكر دمه 65 mg/dL (3,6 mmol/L). ما أفضل إجراء؟

1. Aالمواصلة بالمعدل نفسه وإعادة الفحص بعد أربع ساعات
2. Bاتباع بروتوكول انخفاض الغلوكوز وإبلاغ مقدّم الرعاية
3. Cإيقاف التسريب وترك إعادة فحص الغلوكوز إلى الصباح
4. Dإعطاء بوتاسيوم فموي لحماية القلب

A patient on stable digoxin starts amiodarone. A week later, the patient has nausea and visual changes, and the digoxin level is above the range. What is the most likely explanation?

1. ADigoxin has raised the amiodarone level
2. BAmiodarone has lowered potassium only
3. CAmiodarone has raised the digoxin level
4. DThe patient has started a viral illness