How Is It That Red Blood Cells Can Bind Oxygen

question 17

Multiple Choice

How is it that red blood cells can bind oxygen in the lungs but then offload it near body cells that need it?

• A)Oxygen diffuses into or out of the blood following its concentration gradient.
• B)A conformational change caused by high pH causes the oxygen to detach near the cells that need it.
• C)A conformational change caused by low pH causes the oxygen to detach near the cells that need it.
• D)Oxygen is displaced by carbon dioxide in the body.

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Definitions:

Distress

Negative stress that arises from challenging or adverse situations and can lead to discomfort or anxiety.

Adaptive

Characterized by or given to adaptation, showing an ability to adjust to new conditions or environments for survival and growth.

DSM-IV-TR

The Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision; a manual used by healthcare professionals in the United States and much of the world as the authoritative guide to the diagnosis of mental disorders.

Symptoms

Observable signs or manifestations of a condition or disease, as reported by a patient or observed during a medical examination.