A Certain Infectious Disease Can Cause Swellings on the Aortic

question 2

Multiple Choice

A certain infectious disease can cause swellings on the aortic semilunar valve.The valve will then not close properly,resulting in ________.

• A)atherosclerosis
• B)backflow
• C)aneurysm
• D)varicose veins

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Definitions:

Mental Disorders

Health conditions characterized by alterations in thinking, mood, or behavior (or some combination thereof) associated with distress and/or impaired functioning.

Psychological Disorders

Mental disorders characterized by significant disturbances in an individual's thoughts, emotions, or behavior.

Natural Selection

A process by which species evolve over time as individuals with traits better suited to their environment are more likely to survive and reproduce.

Survival

The ability of an organism to continue existing and reproducing under changing environmental conditions.