You Are Taking Notes in a Lecture, Writing as Fast

question 33

Multiple Choice

You are taking notes in a lecture, writing as fast as you can, when suddenly your hand become so stiff that you can't write any more. You pull the pencil from between your frozen fingers with your other hand, and after a few worried moments your hand is able to relax again. What happened?

• A) The muscles in your hand depleted their supply of ATP, and the myosin heads could not detach from actin.
• B) The muscles in your hand depleted their supply of acetylcholinesterase.
• C) The muscles in your hand depleted their supply of Ca ²⁺, and the myosin heads could not attach to actin.
• D) The actin and myosin filaments in your hand muscles became detached from their Z lines.
• E) The motor neurons stimulating your hand muscles depleted their supply of acetylcholine.

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Definitions:

Foreign Competition

The presence of competing products or services from other countries in a domestic market.

Domestic Producers

Individuals or entities within a country that produce goods or services.

Import Substitution

A strategy aimed at reducing foreign dependency through the domestic production of previously imported goods.

Infant Industries

Newly established industries that may not yet be competitive in the global market without protection or support from the government.