The Relatively High Maximum Velocity of Shortening of a Skeletal

question 10

Multiple Choice

The relatively high maximum velocity of shortening of a skeletal muscle containing predominately type II fibers can be partially attributed to a relative abundance of which of the following substances, compared to a muscle containing predominately type I fibers?

• A)Blood capillaries
• B)Mitochondria
• C)Myoglobin
• D)Myosin adenosine triphosphatase
• E)Oxidative enzymes

---

Definitions:

Construct Validity

The degree to which a measurement device accurately measures the theoretical construct it is designed to measure.

Reliability

The consistency and stability of measurements or assessments over time.

Validity

The degree to which a tool, test, or measure accurately represents or measures what it claims to.

Variability

The extent to which data points in a set differ from each other and from the average, indicating the spread or dispersion.