Which of the Following Is Not a True Statement

question 71

Multiple Choice

Which of the following is not a true statement?

• A) When the diaphragm relaxes, it returns to a domelike shape.
• B) When the diaphragm contracts, it pulls the floor of the thoracic cavity downward.
• C) Changes in thorax size bring about inspiration and expiration.
• D) Raising the ribs decreases the depth and width of the thorax.

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Definitions:

Common

Occurring frequently or existing in a large amount; widespread.

Ciliary Muscle

A ring-shaped muscle in the eye that changes the shape of the lens to focus on near or distant objects.

Visual Accommodation

Process of making adjustments to lens shape so light from an object falls on the retina.

Lens

A piece of glass or other transparent material shaped to converge or diverge transmitted light and form an image.