ورقة عمل القيم المخبرية والشوارد مع الإجابات

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

1. A4,0–5,0
2. B1,0–1,5
3. C0,8–1,2
4. D2,0–3,0

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 unbound, active hormone
3. CThe free form is the only form made by the gland
4. DThe free form is the form excreted in urine

What is the main effect of antidiuretic hormone (ADH) on the kidneys?

1. AMore potassium is reabsorbed, so the serum potassium rises
2. BMore glucose is excreted, so the urine contains sugar
3. CMore water is reabsorbed, so urine is concentrated
4. DMore water is excreted, so the urine becomes dilute

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

1. AGive several deep-cough samples, often first thing in the morning
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 samples of nasal mucus blown into a tissue

During a red cell transfusion, when are serious acute reactions most likely, so the nurse stays with the patient?

1. AAfter the last drop is given
2. BIn the first 15 minutes
3. CAfter about 2 hours
4. DThe next morning

A patient with hyperkalemia is prescribed an oral potassium binder such as patiromer or sodium zirconium cyclosilicate. How does this drug lower potassium?

1. AIt protects the heart muscle against high potassium levels
2. BIt stops the kidneys from absorbing water in the tubules
3. CIt moves potassium into cells in the next few minutes
4. DIt binds potassium in the gut so it leaves in the stool

مريض بمرض رئوي قديم، بيكربونات مصله 32 mEq/L، وPaCO₂ الشرياني مرتفع دائمًا، وpH يبلغ 7,36. أي حالة تناسب أكثر؟

1. Aداء الانسداد الرئوي المزمن مع احتباس مزمن لثاني أكسيد الكربون وتعويض استقلابي
2. Bجرعة زائدة حادة من الأسبرين مع تنفس سريع
3. Cإسهال حاد شديد مع فقد كبير للبيكربونات
4. Dحماض كيتوني سكري حاد مع جفاف شديد وقيء

A patient on long-term amiodarone has fatigue and weight gain. TSH is 11 mIU/L and the free T₄ is low. What is the most likely explanation?

1. ASecondary hypothyroidism from pituitary failure
2. BAmiodarone-induced hypothyroidism
3. CA normal response to amiodarone needing no action
4. DAmiodarone-induced hyperthyroidism