INTRODUCTION TO NEUROPHYSIOLOGY & NEUROANATOMY questions with correct answers

1.) (How Neurons Fire) When the neuron is at rest, the inside is ______ Charged relative to the outside. CORRECT ANSWER- Negatively 2.) (How Neurons Fire) When the neuron is stimulated, _______ charged particles enter. The action potential is initiated; the neuron is _______. CORRECT ANSWER- Positively; Depolarized 3.) (How Neurons Fire) After a brief period, some _____ charged particles are pushed outside the neuron, and the neuron moves back toward its ______ state. CORRECT ANSWER- Positively; Polarized 4.) (How Neurons Fire) The neuron has finally returned to its initial _________ ________ state. CORRECT ANSWER- Polarized resting Acetylcholine CORRECT ANSWER- - Activates motor neurons controlling skeletal muscles. - Contributes to the regulation of attention, arousal, and memory. - Some (ACh) receptors stimulated by nicotine. Dopamine (DA) CORRECT ANSWER- - Contributes to control of voluntary movement, pleasurable emotions. - Decreased levels associated with Parkinson's disease. - Overactivity at DA synapses associated with