Which of the following statements is TRUE regarding the membrane potential of a neuron?
A. At rest, sodium has the greatest influence over the membrane potential (-70 mV) due to the greater difference in ion concentration inside and outside the cell.
B. Potassium leak channels allow fir a constant efflux of potassium ions when a neuron is at rest.
C. At rest, the equilibrium potential for sodium is the most negative and has the highest permeability of all ions.
D. Chloride has the highest concentration of ions inside of a neuron when at rest.
Select your answer:
Topics:
Genetics and Probability Excretory and Musculoskeletal System Blood Pathology Eye Cells and Organ Systems Personal Growth Plan Oronasal Suctioning Source of Food Tracheostomy Care Health Infection Cell Theory and Cellular Structure Lifetime Wellness Contemporary Nutrition Issues Physical EducationOther quiz:
Chemistry › ViewAn atom…….
A. Is the smallest particle of an element that retains all the properties of that element.
B. Is anything that has mass and takes up space.
C. Has a positive charge
D. Has a negative charge
Anatomy and Histology › View
What is the function of the pulmonary capillary network in the lungs?
A. Gas exchange
B. Nutrient absorption
C. Waste removal
D. Hormone production