How Does the Body "Know" to Increase Heart and Breathing

question 47

Multiple Choice

How does the body "know" to increase heart and breathing rates when you are active?

• A) Carbonic acid is produced by decreasing oxygen levels in the blood, and when the brain sensors sense the lower pH, increased rates are triggered.
• B) Carbonic acid is produced when carbon dioxide dissolves in the blood, and when the brain sensors sense the lower pH, increased rates are triggered.
• C) When the brain senses increased fatigue in an area of the body, it triggers increased rates.
• D) The increased activity just naturally results in increased rates because the two things are correlated.
• E) The hypothalamus senses low oxygen levels as blood passes through sensors there, and increased rates are triggered.

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Definitions:

Convey Interest

To demonstrate or communicate enthusiasm or concern regarding a subject, activity, or interaction.

Facial Expressions

Visible changes in the face that express a person's emotions, feelings, or intentions.

On Restriction

A state of being limited in one's actions, movements, or privileges as a form of discipline or safety measure.

Off-Unit Activities

Therapeutic or recreational activities conducted away from the usual care setting to aid in the recovery or well-being of patients, often used in psychiatric or rehabilitation settings.