nightingale college physiology week7 quiz Exam With Correct Solutions

The fastest nerve fibers in the body can conduct an impulse that is how much faster than the slowest fibers in the body? - ANSWER-Almost 300 times faster When an impulse reaches a synapse: - ANSWER-chemical transmitters are released. Dopamine, epinephrine, and norepinephrine are classified as: - ANSWER-catecholamines Which of the following is not used by the body as a neurotransmitter? - ANSWER-All of the above are used by the body as neurotransmitters. Severe depression can be caused by a deficit in certain brain synapses of: - ANSWER-amines The neurotransmitter(s) that inhibit(s) the conduction of pain impulses is(are): - ANSWER-enkephalins Excitatory neurotransmitters are most likely to: - ANSWER-initiate an action potential. The fastest nerve fibers in the body can conduct impulses up to approximately _____ meters per second. - ANSWER-130 Neurotransmitters are released in a synapse and bind to: - ANSWER-receptors on the postsynaptic neuron. Which of the following is not one of the main chemical classes of neurotransmitters? - ANSWER-Triglycerides