You May Have Noticed That Some Older People Have a Distinct

question 143

Multiple Choice

You may have noticed that some older people have a distinct "hunched over" look that is particularly noticeable when they walk. They often suffer from osteoporosis, and the stooped appearance is caused by

• A) calcification of the shoulder capsules.​
• B) ​pronation of the knees and ankles.
• C) ​supination of the hip bones.
• D) ​the collapse of spinal vertebrae.

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Definitions:

Hybridization

A model explaining the bonding structure of molecules based on the mixing of atomic orbitals into new hybrid orbitals.

CCO Bond Angle

Refers to the angle between two carbon atoms and an oxygen atom within a molecule, impacting the molecule's shape and reactivity.

Acetone

A volatile, colorless liquid used as a solvent and an antiseptic, known chemically as propanone with the formula (CH3)2CO.

Hybridization

The concept of mixing atomic orbitals to create new hybrid orbitals for bonding, explaining the geometry of molecular structures.