Why Are Action Potentials Usually Conducted in One Direction

question 51

Multiple Choice

Why are action potentials usually conducted in one direction?

• A) Ions can flow along the axon in only one direction.
• B) Voltage-gated Na+ channels are inactivated during the refractory period.
• C) The axon hillock has a higher membrane potential than the terminals of the axon.
• D) Voltage-gated channels for both Na+ and K+ open in only one direction.

Apply knowledge of patient positioning and alignment to maintain or improve respiratory function, circulation, and skin integrity.

Recognize the signs, causes, and prevention strategies for common complications of immobility such as pressure ulcers, contractures, and orthostatic hypotension.

Understand the principles of effective body mechanics and safe patient transfer techniques to reduce the risk of musculoskeletal disorders among nurses.

Assess patient mobility, strength, and balance to accurately evaluate needs for positioning, transferring, and mobilizing.

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