Select the Correct Statement About Oxygen Transport in Blood

question 104

Multiple Choice

Select the correct statement about oxygen transport in blood.

• A) During conditions of acidosis, hemoglobin is able to carry oxygen more efficiently.
• B) Increased BPG levels in the red blood cells enhance oxygen-carrying capacity.
• C) A 50% oxygen saturation level of blood returning to the lungs might indicate an activity level higher than normal.
• D) During normal activity, a molecule of hemoglobin returning to the lungs carries one molecule of O₂.

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Definitions:

Willpower

The ability to control impulses and make decisions that align with personal goals and societal norms.

Self-Control

The faculty to command one's emotional experiences, thought patterns, and deeds in scenarios involving enticements and impetuous impulses.

Oxytocin

A hormone and neurotransmitter involved in childbirth and breastfeeding, also associated with empathy, trust, sexual activity, and relationship-building.

Stress-Moderating Hormone

A hormone that helps regulate the body’s response to stress, such as cortisol, which plays a role in the body’s "fight or flight" response.