A Change in the Natural Unemployment Rate

question 7

Multiple Choice

A change in the natural unemployment rate

• A) shifts only the short-run Phillips curve.
• B) causes a movement along the short-run Phillips curve.
• C) shifts only the long-run Phillips curve.
• D) shifts both the short-run and long-run Phillips curves.

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Definitions:

Sarcoplasmic Reticulum

A specialized type of endoplasmic reticulum in muscle cells that stores and releases calcium ions.

T Tubules

Tubular extensions of the cell membrane that penetrate into the center of skeletal and cardiac muscle cells, facilitating the transmission of electrical signals.

Sarcolemma

The fine transparent tubular sheath that envelops the fibers of skeletal muscles.

Sarcoplasmic Reticulum

A network of tubules within muscle cells that stores and releases calcium ions, playing a key role in muscle contraction.