How Many Litres of Air Are in a Room That

question 35

Multiple Choice

How many litres of air are in a room that measures 11.0 ft x 12.0 ft and has an 7.00 ft ceiling? (1 in.=2.54 cm (exactly) ; 1 L=10³ cm³)

• A) 2.62 × 10⁴
• B) 2347.0
• C) 28.2
• D) 2.82 × 10⁷
• E) 9.24 × 10⁵

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Definitions:

Pulmonary Artery

The Pulmonary Artery carries deoxygenated blood from the right ventricle of the heart to the lungs for oxygenation.

Renal Vein

A blood vessel that carries filtered blood away from the kidney and back toward the heart.

Hepatic Portal Vein

A blood vessel that carries blood from the gastrointestinal tract and spleen to the liver, enabling nutrient processing and detoxification.

Ventricles

Hollow chambers within the heart or brain that play key roles in pumping blood throughout the body or circulating cerebrospinal fluid, respectively.