How Is Nitric Oxide (NO) Terminated After Release

question 56

Multiple Choice

How is nitric oxide (NO) terminated after release?

• A) NO is taken back up into cells by a transporter.
• B) NO is degraded by a specific enzyme in the synaptic cleft.
• C) NO is a reactive gas that is inactivated when it reacts with proteins or superoxides.
• D) NO remains active until it diffuses away from the synapse.
• E) NO action is not terminated.

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Definitions:

Minute Ventilation

Product of tidal volume times the respiratory rate.

Residual Volume

The volume of air remaining in the lungs after a forceful expiration, ensuring that gas exchange can continue at all times.

Inspiratory Reserve

The additional amount of air that can be inhaled after a normal inhalation, increasing lung volume.

Expiratory Reserve

The additional amount of air that can be forcefully exhaled after the completion of a normal expiration.