What Are the Normal, Ropelike Structures at the Bases of the Tricuspid

question 447

Multiple Choice

What are the normal, ropelike structures at the bases of the tricuspid and mitral valves?

• A)vegetations
• B)chordae tendineae
• C)ventricles
• D)Purkinje fibers

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Definitions:

Silica

Silicon dioxide (SiO2), appearing either as a relatively pure form in a mineral (e.g., quartz) or as a component in more chemically complex minerals and rocks.

Cube-Shaped Crystals

Solids with an atomic structure that forms into a cube shape, commonly observed in minerals such as pyrite and halite.

Sulfide

A chemical compound that consists of sulfur and one or more elements, commonly found in ore minerals and as byproducts of industrial processes.

Silica Tetrahedron

A structural unit of silicon ion surrounded by four oxygen ions, forming the basic building block of silicate minerals.