Endoscopic Instruments Are Designed to Perform the Intervention at the Target

question 1

Multiple Choice

Endoscopic instruments are designed to perform the intervention at the target tissue site through the tubular endoscope.The endoscopic instrument is considered:

• A) an extended instrument with a working head.
• B) an extension of the surgeon's hand.
• C) a means to perform hands-free surgery.
• D) much less accurate than a surgeon's hand.

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Definitions:

Repolarization

A phase in the cardiac cycle or neural activity where the cell membrane returns to its resting potential after depolarization.

Neuronal Membrane

The lipid bilayer that surrounds a neuron, maintaining the electrical potential that enables neural signaling and communication.

Potassium Channels

Pores in cell membranes that allow potassium ions to pass through, regulating cell function.

Sodium Channels

Protein-based channels found in cell membranes that allow sodium ions to flow in and out, critical for generating and transmitting electrical signals.