WACE ATAR Human Biology Practice Questions - WACE Year 12 ATAR Human Biology (Units 3 & 4) Exam

In a resting neuron, what maintains the resting membrane potential of approximately -70 mV across the plasma membrane?

Sodium-potassium pump actively pumping 3 Na+ out for every 2 K+ pumped in Passive diffusion pumping equal amounts of Na+ and K+ into the cell Calcium pumps moving 3 Ca2+ ions into the axon per ATP molecule Continuous opening of voltage-gated sodium channels at rest

Correct Answer:

Sodium-potassium pump actively pumping 3 Na+ out for every 2 K+ pumped in

Access more questions from this quiz

Continue to WACE ATAR Human Biology Practice Questions - WACE Year 12 ATAR Human Biology (Units 3 & 4) Exam for more practice questions and the full quiz experience.

Access More Questions