What Are the I Bands in Skeletal Muscles Composed Of

question 13

Multiple Choice

What are the I bands in skeletal muscles composed of?

• A)discs to which thick filaments are anchored
• B)thin filaments but no thick filaments
• C)thick filaments but no thin filaments
• D)stacked, thick filaments along with parts of thin filaments that overlap both ends

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Definitions:

Radiopaque

A term describing substances that are impenetrable to X-rays and other forms of radiation, appearing white or light on radiographs.

Barium

A chemical element with symbol Ba and atomic number 56, used in medical imaging to improve the contrast of X-ray photographs.

Fluorescence

The emission of light by a substance that has absorbed light or other electromagnetic radiation, often seen in minerals, plant materials, and synthetic compounds.

Prone

Lying flat, especially face-down, or having a tendency or inclination towards something.