Which of the following neurotransmitters is most closely associated with schizophrenia, addiction, and Parkinson's disease?

A drug that causes potassium to leak out of a neuron, increasing the positive charge on the outside, would __________.

Threshold is of great significance in the physiology of neurons. What happens if threshold is not reached?

Which of the following is caused by the death of specific neurons in the brain that release dopamine?

Taking illegal amphetamines ("speed") can induce symptoms similar to which of the following?

What happens when a resting neuron's membrane depolarizes?a. There is a net diffusion of Na+ out of the cell.b. The equilibrium potential for K+(EK) becomes more positive.c. The neuron's membrane voltage becomes more positive.d. The cell's inside is more negative than the outside.

Test your understanding of the nervous system by matching the following labels with their corresponding letters: CNS, effector cells, interneuron, motor neuron, PNS, sensory neuron, sensory receptor, spinal cord, synapse.

Which ion most readily leaks across a neuron's membrane, helping to establish the resting potential?

A common feature of action potentials is that theya. cause the membrane to hyperpolarize and then depolarize.b. can undergo temporal and spatial summation.c. are triggered by a depolarization that reaches threshold.d. move at the same speed along all axons.