What Are Heberden Nodes

question 14

Multiple Choice

What are Heberden nodes?

• A) Yellow longitudinal lines in the nails
• B) Thickened discolored fingernails
• C) Darkened areas under the fingernail
• D) Bony enlargements of distal joints of the fingers

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Definitions:

Ca

The chemical symbol for calcium, an element with atomic number 20, essential for living organisms, particularly in cell physiology and bone formation.

Neutrons

Electrically neutral subatomic particles found in the nucleus of an atom, contributing to the atom's mass but not its charge.

Isotope

Variants of a particular chemical element which differ in neutron number, and subsequently in mass, but share the same number of protons.

Protons

Subatomic particles found in the nucleus of every atom, possessing a positive electric charge.