12 Questions
What is the primary way the kidneys compensate for respiratory alkalosis?
Increased excretion of bicarbonate
During metabolic acidosis, why may a patient present with hyperventilation?
Excess CO2 is forming from organic acid buildup and reacting with bicarbonate
Where is most of the iron in the human body found?
Hemoglobin
Which buffer systems are found in the body?
Hemoglobin and bicarbonate-carbonic acid only
Which statement is NOT true regarding iron?
Large amounts are excreted in the urine
In heme degradation, what binds iron and hemoglobin dimers to prevent renal excretion of hemoglobin?
Haptoglobin, heme oxygenase
What acid-base imbalance is likely present in a patient with a pH of 7.20, CO2 of 53, and HCO3 of 23?
Metabolic acidosis
Which of the following is the primary function of the kidney in maintaining balance in the body?
Acid-base balance
What is the most sensitive indicator of iron deficiency?
Ferritin
In which condition might a patient exhibit photosensitivity, red urine, fluorescent teeth, and neurological symptoms?
Porphyria
What is the chemistry test of choice for differentiating hemoglobinopathies and thalassemias from iron deficiency anemia?
Cellulose acetate and Citrate agar electrophoresis
Why might a patient with metabolic acidosis present to the ER with hyperventilation?
CO2 building up in plasma faster than kidney can compensate by reclaiming bicarbonate
Test your knowledge on iron metabolism, anemias, and related disorders with this quiz. Questions cover topics like transferrin, haptoglobin, porphyria, and hemoglobinopathies.
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