Neuroscience Final Exam Multiple Choice with correct answers 100% 2026
Neuroscience Final Exam Multiple Choice with correct answers 100% 2026 What notion was displaced by the concept of nerves being described as wires? A) Nerves are channels that communicate with the brain by the movement of the fluids. B) Muscles can be twitched when nerves are stimulated electrically and the brain itself may generate electricity. C) Signals to the muscles causing movement use the same wires as those that register sensations from the skin. D) Nerves conduct electrical signals to and from the brain. - Correct Answer A) Nerves are channels that communicate with the brain by the movement of the fluids. The combined work of Bell and Magendie revealed a fundamental fact about the spinal nerves: A) Spinal nerves are myelinated. B) Spinal nerves are bundles of sensory and motor nerves and in each sensory and motor nerve fiber transmission is strictly one-way. C) Spinal nerves are not hollow tubes carrying fluid. D) Both humans and animals have spinal nerves. - Correct Answer B) Spinal nerves are bundles of sensory and motor nerves and in each sensory and motor nerve fiber transmission is strictly one-way. What is the rationale behind the use of animal models to understand the human brain? A) Animal brains are identical to human brains but only smaller in size. B) Brain mechanisms that motivate any reaction are identical in animal and human brains. C) The nervous systems of different species of animals and humans share many common mechanisms. D) Animal brains are easier to obtain than human brains. - Correct Answer C) The nervous systems of different species of animals and humans share many common mechanisms. True or False: Galen suggested that the cerebrum, which was soft, should be the recipient of sensations. He was of the view that to form memories, sensations should be imprinted onto the brain. thus, this must occur in the doughy cerebrum. The conclusion is right, but the reasoning is incorrect. - Correct Answer True What does the neuron doctrine state? - Correct Answer Individual cells communicate by contact and not continuity. Neurons comprise two types of processes: axons and dendrites. What is the major difference between the two? - Correct Answer Dendrites receive incoming signals; axons carry output out of the neurons. A scientist looks through a microscope at the structure of a neuron. The scientist notices a layer of molecules separating the neuron's intracellular space from the extracellular space. What is this part of the cell? A) Organelle B) Soma C) Neuronal Membrane D) Nuclear Envelope - Correct Answer C) Neuronal membrane What do you understand by the term "translation"? A) Assembling a piece of mRNA B) Assembling proteins from amino acids C) Removal of introns and specific exons D) The reading of DNA - Correct Answer B) Assembling proteins from amino acids What is the most important function of the rough endoplasmic reticulum?
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what notion was displaced by the concept of nerves
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