In the Continued Presence of the Stimulus to Open, After

question 4

Multiple Choice

In the continued presence of the stimulus to open, after opening initially, some ligand-gated channels will close and remain closed for the remainder of the stimulus. This is called

• A) activation.
• B) inactivation.
• C) deactivation.
• D) contraction.
• E) desensitization.

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Definitions:

Ventilation

The process of moving air in and out of the lungs, facilitating the exchange of oxygen and carbon dioxide between the body and the environment.

Oxyhemoglobin Affinity

The measure of how readily hemoglobin in red blood cells binds to oxygen, a crucial factor in oxygen transport and delivery to tissues.

Acidity

Acidity is a measure of the concentration of hydrogen ions in a solution, determining its pH level and indicating how acidic or alkaline the solution is.

2,3-Bisphosphoglycerate (BPG)

A compound in red blood cells that regulates the oxygen-binding capacity of hemoglobin.