ورقة عمل القيم المخبرية والشوارد مع الإجابات

What does the term "leukopenia" mean?

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

Which blood marker is the most specific for injury to the heart muscle?

1. ALactate dehydrogenase
2. BSerum myoglobin
3. CCardiac troponin
4. DTotal creatine kinase

How does dehydration usually affect the hematocrit?

1. AIt has no effect
2. BIt lowers it
3. CIt makes it zero
4. DIt raises it

A trauma patient receives 2 L of IV crystalloid. The hemoglobin falls from 13,0 to 11,4 g/dL (130 to 114 g/L), and the vital signs are now stable. Which explanation is most likely?

1. AA sudden failure of the bone marrow
2. BDilution of the blood by the IV fluid
3. CA laboratory error in the first sample
4. DIncreased red cell production

A patient with recurrent gout starts allopurinol. Which laboratory result shows that the treatment is achieving its goal?

1. AA falling serum uric acid
2. BA rising serum calcium
3. CA rising white cell count
4. DA falling serum potassium

بعد جراحة النخامية، يخرج مريض نحو 400 mL من بول شاحب في الساعة بكثافة نوعية 1,002، وقد ارتفع الصوديوم إلى 149 mEq/L. أي حالة هي الأرجح؟

1. Aإصابة كلوية حادة مع قلة البول
2. BSIADH
3. Cالسكري الكاذب
4. Dفرط سكر الدم مع الحماض الكيتوني

A patient admitted with heavy alcohol use and malnutrition has a glucose of 52 mg/dL (2,9 mmol/L) and low magnesium. Which prescribed treatment should be given before the IV glucose?

1. AIV potassium
2. BOral iron
3. CIV thiamine
4. DIV insulin

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