A Track Star Ran Exactly 400 Meters in 45

question 95

Multiple Choice

A track star ran exactly 400 meters in 45.23 seconds.What was the average speed in miles per hour?

• A)19.8 miles/h
• B)19.78 miles/h
• C)8.844 miles/h
• D)0.3297 miles/h
• E)8.84 miles/h

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Definitions:

Hematocrit (HCT)

A test measuring the proportion of red blood cells in the blood, indicating overall health and possible conditions like anemia.

Erythropoietin

A hormone produced by the kidneys that promotes the formation of red blood cells by the bone marrow.

Lymph Nodes

Small, bean-shaped structures that filter lymphatic fluid and trap pathogens and foreign particles as part of the immune system.

Complete Blood Count (CBC)

A blood test that measures the levels of red blood cells, white blood cells, and platelets in the blood, used to evaluate overall health and detect a variety of disorders.