Respiratory Therapist

Category - Patient Evaluations and Recommendations

What is the process in which hemoglobin releases oxygen in the presence of elevated carbon dioxide levels?
  1. Bohr effect
  2. Oxygen disassociation curve
  3. Total oxygen content
  4. Ranke complex
Explanation
Answer: A - The process of hemoglobin releasing oxygen in the presence of elevated carbon dioxide levels is referred to as Bohr effect.

The oxygen disassociation curve shows a rapid loading of oxygen at the lung and rapid unloading of oxygen at the cellular level. Total oxygen content is calculated by adding the values for dissolved and combined oxygen. This content allows the objective study of pulmonary physiology. Ranke complex is a lesion infection that includes the Ghon complex and the patient’s calcified hilar pulmonary lymph nodes.
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