Two neighboring neurons are at rest. Neuron A has a resting membrane potential of -80mV, Neuron B has a resting membrane potential of -70mV. Which is likely to be TRUE?
A. Neuron A has more Na+ channels open than Neuron B.
B. Neuron B has more K+ channels open than Neuron A.
C. Neuron A has more K+ channels open than Neuron B.
D. Neuron B has more Na+ channels open than Neuron A.
E. None of the answer choices are correct.
Answer: C
You might also like to view...
When one hormone opposes the action of another hormone, it is called a(n)
a) synergistic effect. b) permissive effect. c) antagonistic effect. d) circulating effect. e) local effect.
The average number of divisions that a human cell cultured in a dish can undergo is
A) 10-20. B) 60-100. C) 40-60. D) 30-40.
Which fibers generate the smallest value for conduction velocity?
A) B fibers B) D fibers C) C fibers D) A fibers
Cerebrospinal fluid
A) is secreted by ependymal cells. B) is formed by a passive process. C) is normally produced twice as fast as it is removed. D) has almost the same composition as blood plasma. E) is formed by a passive process and has almost the same composition as blood plasma.