Refer to the Figure

question 13

Multiple Choice

Refer to the figure. Which of the following about the figure is false.

• A) The substance labeled 1 contains water, salts, and plasma proteins.
• B) Number 2 indicates white blood cells and platelets.
• C) Number 3 indicates the hematocrit.
• D) The substance labeled 4 contains cells that transport oxygen and carbon dioxide.
• E) The substance labeled 1 is called the buffy coat.

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Definitions:

Immune System

The complex network of cells, tissues, and organs that work together to defend the body against infections, diseases, and foreign substances.

Immunotherapy

A type of cancer treatment that helps your immune system fight cancer.

Photodynamic Therapy

A treatment that uses special drugs, known as photosensitizing agents, alongside light to kill cancer cells.

Chemical

A substance with a distinct molecular composition that is produced by or used in a chemical process.