Which of the Following Statements Regarding Control of Respiration Is

question 65

Multiple Choice

Which of the following statements regarding control of respiration is correct?

• A)A slight decrease in arterial PO₂ is a stronger stimulus for increased ventilation than is a comparable decrease in arterial PCO₂.
• B)The most important signal for regulating ventilation is the H⁺ concentration of arterial blood.
• C)Increased concentrations of lactic acid stimulate ventilation primarily by acting on peripheral chemoreceptors.
• D)An increase in the HCO₃⁻ concentration in blood stimulates ventilation.
• E)At high altitude,a decrease in PCO₂ of the blood stimulates an increase in ventilation.

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Definitions:

Chain of Command

A system in an organization where authority and responsibility are structured in a hierarchy, establishing clear paths for decision-making and command.

Horizontal Specialization

Is a division of labor through the formation of work units or groups within an organization.

Hierarchical Division

The organization of entities or levels within a system that ranks one above the other based on authority or status.

Staff Units

Specialized groups within an organization that provide support and expertise but do not directly contribute to its main objectives.