A Patient Asks How Oxygen Is Transported in the Body

question 5

Multiple Choice

A patient asks how oxygen is transported in the body.What is the nurse's best response? Most of the oxygen (O₂) is transported:

• A) Dissolved in the plasma
• B) Bound to hemoglobin
• C) In the form of carbon dioxide (CO₂)
• D) As a free-floating molecule

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Definitions:

Reuptake

A process by which neurotransmitters released into the synapse are reabsorbed back into the neuron, effectively stopping their action on adjacent neurons.

Selective Serotonin Reuptake Inhibitors

A class of drugs typically used as antidepressants in the treatment of major depressive disorder and anxiety disorders.

Monoamine Oxidase

An enzyme that plays a role in the breakdown of neurotransmitters such as serotonin and dopamine, affecting mood regulation.

Antidepressant Drugs

Drugs that regulate mood.