A Recording Electrode Is Placed into a Nerve Cell to Measure

question 445

Multiple Choice

A recording electrode is placed into a nerve cell to measure the membrane potential at a particular point. When the physiologist glances at the recording and sees that the membrane at that instant has a potential of +15 mV, she knows that the portion of the membrane being recorded is which of the following?

• A)in the normal resting state
• B)in the reversal phase of an action potential when the inside of the cell becomes more positive than the outside
• C) more permeable to Ca²⁺ than normal
• D) in the after hyperpolarization phase of an action potential

Understand organizational patterns commonly used in technical writing.

Comprehend the role of safety standards and organizations in technical documentation.

Grasp how to conclude instructions in a manner that is appropriate for the intended audience.

Acknowledge the significance of including necessary assembly or usage details in introductions of technical manuals.

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Definitions:

Noise

Any external or internal interference that disrupts the communication process, hindering the clear delivery or receipt of messages.

Steve Jobs

Co-founder of Apple Inc., known for his revolutionary contributions to personal computing, animation, and consumer electronic design.

International Business

The exchange of goods, services, technology, capital, and/or knowledge across national borders.

Cultural Differences

The variations in the ways of life, beliefs, and norms among different societies or cultural groups.