18 Questions
What are the reference values of arterial blood pH?
+7.35 7.45 units
What are the reference values of pCO2 in arterial blood?
+35-45 mm Hg
What is the primary function of hemoglobin (Hb) in blood?
+carry oxygen
If MCV > 100 fl, the type of anemia is known as?
Macrocytic anemia
What is the life-threatening plasma bicarbonate concentration?
+>40 mmol/l
What are the life-threatening pCO2 values in arterial blood?
+60 mmHg
What is the main intracellular CBS buffer?
hemoglobin
What is the normal pH range of the bicarbonate buffer?
7.3 - 7.4
Which enzyme is involved in the dissociation of carbonic acid in the renal tubules?
carbonic anhydrase
What is the optimal anticoagulant when determining KBS indicators?
lithium salts of heparin
Which of the following can cause respiratory acidosis?
with respiratory distress syndrome
What is the PaO2 threshold for placing a patient with respiratory failure on mechanical ventilation?
less than 90 mmHg Art.
What is the diagnostic value of HbA1c determination in blood?
Complex of glucose with HbAs
What is the diagnostic criterion for diabetes based on fasting whole blood glucose levels?
>7.8 mmol/l
Which of the following values indicates diabetes mellitus 2 hours after glucose loading in whole venous blood?
>11.1 mmol/l
What type of anemia is characterized by macrocytic cells?
Macrocytic anemia
What is a life-threatening plasma bicarbonate concentration level?
<5 mmol/l
Which value indicates diabetes mellitus 2 hours after glucose loading in whole capillary blood?
>11.1 mmol/l
Test your knowledge on reference values for plasma bicarbonate, arterial blood pH, and life-threatening concentrations of bicarbonate ions. Also, assess your understanding of titratable acidity in the context of medical biochemistry.
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