Feeling Dizzy or Fainting at the Sight of a Traumatic

question 385

Multiple Choice

Feeling dizzy or fainting at the sight of a traumatic injury occurs as a result of

• A) sympathetic underreaction that lowers blood pressure too much.
• B) sympathetic underreaction that raises blood pressure too much.
• C) parasympathetic overreaction that raises blood pressure too much.
• D) parasympathetic overreaction that lowers blood pressure too much.

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Definitions:

Experimental Results

The data and outcomes obtained from conducting scientific experiments.

Chloroplasts

Organelles found in plant cells and some algae that conduct photosynthesis, converting light energy into sugar.

Photosynthesis

The process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water, producing oxygen as a byproduct.

Stroma

Region within a chloroplast that surrounds the grana; contains enzymes involved in the synthesis of carbohydrates during the Calvin cycle of photosynthesis.