If a Stimulus Is Just Slightly Weaker Than the Absolute

question 162

Multiple Choice

If a stimulus is just slightly weaker than the absolute sensory threshold, how often would we expect a person to be able to identify its presence?

• A) never
• B) never consciously, but almost always at an unconscious level
• C) at least 75% of the time
• D) a little less than half the time

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Definitions:

Replacement Request

A formal or informal request to replace something that is lost, damaged, unsatisfactory, or no longer meets the needs.

External Respiration

The exchange of gases (oxygen and carbon dioxide) between the atmosphere and the blood through the lung alveoli.

Pulmonary Ventilation

The process of moving air in and out of the lungs to facilitate gas exchange with the internal environment, mainly by bringing in oxygen and flushing out carbon dioxide.

Internal Respiration

The exchange of gases (oxygen and carbon dioxide) between the blood and the body cells, facilitating cellular metabolism.