The Upper Seven Pairs of Ribs Articulate Directly with the Sternum

question 19

Multiple Choice

The upper seven pairs of ribs articulate directly with the sternum and are called ____ ribs.​

• A) ​true
• B) ​free
• C) ​floating
• D) ​false

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Definitions:

Ethane

A simple alkane with the chemical formula C2H6, consisting of two carbon atoms single-bonded together, surrounded by hydrogen atoms.

Butane Conformers

Different spatial arrangements of atoms in butane that result from rotation around single bonds, affecting the molecule's energy.

Energy Minima

Points in a potential energy surface that represent stable states of a system, where any small displacement of particles leads to an increase in potential energy.

Dihedral Angle

The angle between two planes defined by four atoms, often used to describe the orientation of parts of a molecule relative to each other.