Which Portion of the Oxyhemoglobin Dissociation Curve Illustrates That Hemoglobin

question 8

Multiple Choice

Which portion of the oxyhemoglobin dissociation curve illustrates that hemoglobin has a safety zone for the loading of oxygen in the lungs?

• A) flat portion between 90-100% saturation
• B) steep portion between 0-25% saturation
• C) steep portion between 50-90% saturation
• D) flat portion between 50-75% saturation

---

Definitions:

Schizophrenic Disorders

A group of complex brain disorders characterized by disordered thinking, perceptions, emotional responsiveness, and social interaction.

Obsessive-Compulsive Disorder

A mental disorder characterized by repetitive, unwanted thoughts (obsessions) and/or actions (compulsions).

Agonist

A substance that triggers a physiological response when combined with a receptor.

Antagonist

A substance that interferes with or inhibits the physiological action of another, often referring to a drug or muscle that opposes or competes with another.