The Main Effect of Caffeine on the Heart Is

question 34

Multiple Choice

The main effect of caffeine on the heart is:

• A)increased cardiac contractility.
• B)increased cardiac output.
• C)dilatation of coronary arteries.
• D)All of the answers are correct.

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Definitions:

Carnivores

Organisms that primarily feed on flesh from other animals.

Herbivores

Organisms that primarily eat plants and vegetation.

Primary Producers

Organisms, typically plants, algae, and certain bacteria, that produce organic compounds from carbon dioxide and water using sunlight energy through photosynthesis, forming the base of the food chain.

Autotrophs

Organisms that can produce their own food from inorganic substances using light (photosynthesis) or chemical energy (chemosynthesis).