Author: Anonymous

Which of the following describe characteristics of action potentials: Select all that apply

Voltage gated sodium (Na+) channels have two gates (an activation and an inactivation gate) and three different states (closed/active, open/inactive, and closed/inactive). Which gate is closed during the “closed/active” state?

Which of the following describe characteristics of graded potentials: Select all that apply

The image above depicts a second messenger transduction pathway. Identify the step/component labelled C:

The resting membrane potential results from Select all that apply

Excitable cells are cells that can change their electrical charge. This is a direct result of:

When a cell is at rest (at its resting membrane potential) it is inactive and is not using any energy.

The term “equilibrium  potential” refers to the electrical charge of the cell when:

Which of the following leukocytes is a distinct phagocyte? Select all that apply

According to the Goldman-Hodgkin-Katz (GHK) equation ions will have no effect on membrane potential if they are not permeable across the membrane.