ورقة عمل القيم المخبرية والشوارد مع الإجابات

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

1. A0,8–1,2
2. B4,0–5,0
3. C1,0–1,5
4. D2,0–3,0

أي شاردة هي الشاردة الموجبة الرئيسية في السائل داخل الخلايا؟

1. Aالكلوريد
2. Bالصوديوم
3. Cالبوتاسيوم
4. Dالكالسيوم

Which antibody test is most specific for rheumatoid arthritis?

1. AAnti-D antibody
2. BAntinuclear antibody
3. CAnti-CCP antibodies
4. DAnti-HBs antibody

A patient with type 2 diabetes starts prednisone each morning. When is the glucose most likely to be highest?

1. AIn the afternoon and evening
2. BThe glucose will not change
3. CIn the early morning, before the dose
4. DAt midnight only

مريض بتشمع الكبد ألبومين مصله 2,2 g/dL (22 g/L). أي علامة هي الأكثر ارتباطًا بذلك؟

1. Aفرط بوتاسيوم الدم
2. Bالوذمة والاستسقاء
3. Cارتفاع ضغط الدم
4. Dزيادة كمية البول

The heparin infusion rate was changed according to protocol. When is the aPTT usually rechecked?

1. AAbout 3 days after the change
2. BAbout 6 hours after the change
3. COnly after the infusion is stopped
4. DAbout 30 minutes after the change

After a crush injury, a patient's urine dipstick is strongly positive for blood, but microscopy shows almost no red cells. CK is very high. What best explains this?

1. ABleeding is coming from the bladder lining
2. BThe sample was contaminated with menstrual blood
3. CA kidney stone is scraping the ureter lining
4. DMyoglobin from damaged muscle is in the urine

A patient with a heart murmur and fever has three sets of blood cultures, taken hours apart, all growing the same Streptococcus species. What does this suggest?

1. APersistent bacteremia, as in infective endocarditis
2. BA normal finding in patients with heart murmurs
3. CA urinary tract infection that has spread to the skin
4. DContamination of all three samples during collection