How Many Pairs of Ribs Make Up the Thoracic Cage

question 25

Multiple Choice

How many pairs of ribs make up the thoracic cage?

• A) 12
• B) 10
• C) 11
• D) 24

---

Definitions:

Cutting-plane Lines

Lines on a drawing indicating the imaginary cut made through a part or assembly to reveal internal features in a sectional view.

Quarter Section

A method of dividing a piece of land into four equal parts in land surveying; also indicative of a technique in illustration where a portion is removed to reveal internal features.

Broken-out Section

A drawing technique that removes a part of the object to reveal internal features not visible from the outside.

Offset Section

A portion of a drawing or structure that is displaced to show details not visible in the regular view.