An Increase in the PCO₂ of Arterial Blood May Result

question 56

Multiple Choice

An increase in the PCO₂ of arterial blood may result in respiratory centers acting to

• A) decrease the rate of breathing.
• B) increase the rate of breathing.
• C) decrease pulmonary ventilation.
• D) increase the amount of air in the anatomic dead space.
• E) decrease the vital capacity.

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Definitions:

Schachter and Singer

Psychologists who developed the two-factor theory of emotion, proposing that human emotions consist of two components: physiological arousal and cognitive interpretation.

Epinephrine

A hormone and neurotransmitter also known as adrenaline, involved in regulating visceral functions (e.g., respiration) and in the fight-or-flight response.

Emotional States

The psychological conditions reflecting one's feelings, ranging from happiness and love to anger, fear, and sadness, often influenced by external events or internal thoughts.

Physiological States

Conditions or states of the body and its systems, often referring to the body's response to various stimuli or conditions such as stress, exercise, or illness.