An Increase in Parasympathetic Outflow to the Heart Results in

question 21

Multiple Choice

An increase in parasympathetic outflow to the heart results in

• A) an increase in HR.
• B) a decrease in HR.
• C) a slight increase in arterial blood pressure.
• D) a slight decrease in arterial blood pressure followed by an increase in HR.

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Definitions:

Carbon Dioxide Fixation

Process by which carbon dioxide gas is attached to an organic compound; in photosynthesis, this occurs in the Calvin cycle reactions.

Calvin Cycle

A series of biochemical reactions that take place in the stroma of chloroplasts in photosynthetic organisms, playing a crucial role in converting carbon dioxide and other compounds into glucose.

3PG

3-phosphoglycerate, an intermediate in the glycolytic pathway and the Calvin cycle, crucial for the synthesis of glucose and other carbohydrates.

CAM Plant

A plant that utilizes Crassulacean Acid Metabolism, an adaptation allowing them to conserve water by opening stomata and admitting CO2 during the night.