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Physiology Neurons Lecture Quizzes

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What is the reason for the high membrane permeability of K+ in neurons?

The regulation of ion channel activity

The secondary active transport of K+ ions

The presence of leak channels selective for K+ ions (correct)

The activity of Na+/K+-ATPase pumps

How do leak channels in neurons differ from other ion channels?

They are selective for Na+ ions

They are regulated by ion channel activity

They are involved in secondary active transport

They are constitutively active and randomly switch between open and closed states (correct)

What is the impact of leak K+ channels on the resting membrane potential of a neuron?

They contribute to the negativity of the resting membrane potential (correct)

They increase the positivity of the resting membrane potential

They have no effect on the resting membrane potential

They stabilize the resting membrane potential

Which process affects the membrane potential of a cell based on ion channel activity?

<p>Regulation of ion channel activity</p> Signup and view all the answers

What is the primary function of leak channels in neurons?

<p>$Maintaining$ $the$ $resting$ $membrane$ $potential$</p> Signup and view all the answers

Physiology Neurons Lecture Quizzes

Choose a study mode

Podcast

Questions and Answers

What is the reason for the high membrane permeability of K+ in neurons?

How do leak channels in neurons differ from other ion channels?

What is the impact of leak K+ channels on the resting membrane potential of a neuron?

Which process affects the membrane potential of a cell based on ion channel activity?

What is the primary function of leak channels in neurons?

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Neuron Ion Channels and Membrane Potential

Physiology Exam 2

Neurons and Excitable Tissue

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