Dominic Is a Marathon Runner

question 142

Multiple Choice

Dominic is a marathon runner.He says that whenever he runs,he feels euphoric.He cannot begin his day without running for an hour.In the context of neurotransmitters,which of the following is most likely responsible for his feelings of pleasure from running?

• A)the action of serotonin depletion during physical exertion
• B)the extended "high" from GABA reuptake
• C)the compensatory effects of acetylcholine
• D)the release of endorphins

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Definitions:

Chronic Obstructive Pulmonary Disease

A long-term inflammatory lung disease that causes obstructed airflow from the lungs, leading to breathing difficulties.

Bronchioles

Small passages in the lungs through which air passes, the last parts of the respiratory tract air reaches before the alveoli.

Inhalation

The act of breathing in, where air enters the lungs, allowing oxygen to be absorbed into the bloodstream.

Pharynx

The muscular tube that connects the mouth and nasal passages to the esophagus and larynx, serving both the respiratory and digestive systems.