1. Why are a broad perspective and an interdisciplinary approach required for understanding the brain? Choose the correct option. A) Understanding the brain is a focused area in natural science with the brain serving as the common point of focus. B) Understanding the brain requires knowledge about many things, from the structure of the water molecule to the electrical and chemical properties of the brain. C) Understanding the brain requires the study of the different species of the brain. D) Understanding the brain requires the analysis of one approach at a time to yield a new synthesis. 2. Galen's study of sheep brains was the basis for a theory of brain function that prevailed for almost 1500 years. Which of the following represents this view? Choose the correct option. A) The heart as the center of intellect and the brain as the cooling system B) Localization of brain function in the cerebrum and cerebellum C) Mind–brain duality D) Parceling the cerebrum into lobes 3. What is “mind–brain problem”? Choose the correct option. A) Individually, human mental capacities exist in the mind that is outside the brain. B) The mind is the same as the brain. C) Both animals and people possess intellect and a God-given soul. D) The pineal gland is a spiritual entity. 4. What notion was displaced by the concept of nerves being described as wires? Choose the correct option. A) Nerves are channels that communicate with the brain by the movement of 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. 5. The combined work of Bell and Magendie revealed a fundamental fact about the spinal nerves. Choose the correct option. 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.