11. Nervous Tissue and Nervous System

Which is the most abundant cation in the extracellular fluid (ECF)?

Which mineral is required for normal muscle and nerve function and aids in water balance?

Which of the following is NOT a function of the Na+/K+ pump?

Which of the following accurately describes the gates of voltage-gated sodium channels?

Which of the following is NOT a function of the Na+-K+ pump?

Which of the following describes the function of the sodium-potassium pump?

Which of these receptor molecules would allow Na+ to flow into the cell?

What is the most abundant intracellular cation?

How does the sodium-potassium pump contribute to making the interior of the cell negatively charged?

Which type of ion channels are highly concentrated in the nodes of Ranvier?

Which of the following is true for the sodium-potassium (Na+/K+) exchange pump?

What is the source of energy used to power the sodium-potassium pump?

What ions rush into a neuron during depolarization?

Which is the main cation in the intracellular fluid?

Which two mineral ions are especially important for generating and conducting nerve impulses in the nervous system?