ورقة عمل القيم المخبرية والشوارد مع الإجابات

Uric acid in the blood is a breakdown product of:

1. APurines
2. BHemoglobin
3. CGlucose
4. DFats

Using American Diabetes Association (ADA) criteria, a fasting plasma glucose of 100–125 mg/dL (5,6–6,9 mmol/L) is classed as:

1. AMild hypoglycemia (low glucose)
2. BType 1 diabetes mellitus
3. CPrediabetes (impaired fasting glucose)
4. DNormal fasting glucose for an adult

Where are urinary casts formed?

1. AIn the kidney tubules
2. BIn the urinary bladder
3. CIn the ureters
4. DIn the urethra

A healthy patient has a mildly raised CK after running a marathon yesterday, without dark urine or symptoms. What is the most likely explanation?

1. AAn acute myocardial infarction has occurred
2. BThe patient has developed acute hepatitis
3. CStrenuous exercise raised CK from skeletal muscle
4. DThe patient has developed acute pancreatitis

Why is a baseline platelet count taken before starting heparin therapy?

1. ABecause heparin is given at a dose based on the platelet count
2. BBecause heparin increases the platelet count to dangerous levels
3. CSo that the INR can be calculated from the platelet count later
4. DSo a later fall from heparin-induced thrombocytopenia is detected

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 blood-to-anticoagulant ratio must be right for accurate clotting times
4. DThe laboratory charges extra when a tube is not filled correctly

أي علامة تشير بقوة أكبر إلى أن ارتفاع كرياتينين المريض ناجم عن إصابة كلوية حادة وليس عن مرض كلوي مزمن قديم؟

1. Aلدى المريض فقر دم قديم
2. Bكان الكرياتينين طبيعيًا قبل ثلاثة أيام وتضاعف منذ ذلك الحين
3. Cلدى المريض كرياتينين مرتفع منذ سنوات عديدة
4. Dلدى المريض كليتان صغيرتان في التصوير بالأمواج فوق الصوتية

A patient's low calcium does not improve despite several days of calcium replacement. Which other electrolyte should be checked and corrected?

1. AMagnesium
2. BSodium
3. CChloride
4. DBicarbonate