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- b) You are a contestant on the game show "Who wants to be a millionaire?". You must answer one final question. If you get the question right, you will win a million dollars, but if you get it wrong, you will get nothing. As the host prepares to read the question, your heart rate increases and your muscles start trembling. Which division of the autonomic nervous system is conducting the actions potentials to the heart and muscles in this case? Division responsible: /1 c) In 2013, the United Nations confirmed that sarin had been used in a chemical warfare attack in Damascus that resulted in hundreds of deaths including men, women, and children. BBC News. (Sept. 2013). Syria chemical attack:what we know. Retrieved from http://www.bbc.com/news/world-middle-east-23927399 Sarin works by inhibiting an enzyme known as acetylcholine esterase, whose job is to break down acetylcholine in the synapses. Which division of the autonomic nervous system is likely to be most affected during a sarin gas…An injury to the nervous system prevents the body from calming down, which results in nervousness and hyperactivity. Which division of the nervous system was damaged by the injury? a) Central b)Sympathetic c)Sensory somatic d) ParasympatheticWhat division of the nervous system drives increased contraction of the muscle of the urinary bladder? A) somatic motor B) special sensory C) parasympathetic D) somatic sensory
- If your index finger had to be amputated as a result of a freak what would happen to your S1 somatotopic map of your fingers? A) The neurons in S1 that had previously responded to stimulation on the index finger would begin to respond to stimulation of the thumb and middle finger B) The neurons in S1 that had previously responded to stimulation on the index finger would begin to respond to stimulation of the foot and toes C) The neurons in S1 that had previously responded to stimulation on the index finger would die and the neurons from the thumb and middle finger would reproduce and expand their respective maps D) None of the aboveWhich of the following is depicted in the diagram? A) Somatic nervous system B) spinal reflex arc C) sympathetic nervous system D) parasympathetic nervous systemSchwann cells are a type of glial cell found in the nervous system. In addition to the conduction of nerve impulses, the outermost layer called neurilemma aids in nerve development and regeneration. Which of the following explains why the neurons in the brain cannot repair damage like the neurons in your hands or feet can? a. Neurons in the central nervous system lack neurilemma of Schwann cells. b. Neurons in the peripheral nervous system are surrounded by grey matter. c. Axons of the peripheral nervous system lack neurilemma of Schwann cells. d. Neurons in the central nervous system are surrounded by white matter.
- When someone feels a chafing sensation in their legs. In order to perceive this chafing sensation, neural impulses would travel in one direction from the a) skin b) spinal cord c) skeletal muscle d) brain to his a) brain b) skin c) spinal cord d) skeletal muscle. This information would travel via a) GSA neurones b) GSE neurones c) GVA neurones d) GVE neurones A person starts to sweat. This info to the sweat glands would be transmitted via A) GSA neurones b) GSE neurones c) GVE neurones d) GVA neurones in order to regulate their body temperature. The neural impulses would travel in one direction from a) dura mata b) CNS c) PNS d) skin to a) dura mata b) PNS c) CNS d) skin. Select correct answer from options : a, b, c, d21) this types of neuron transmits impulses from the periphery to the central nervous system? a) ganglion b) motor c) interneurons d) sensoryWhen a neuron is polarized,. a) both positive and negative ions are concentrated inside the neural membrane b) positive ions are concentrated outside the neural membrane while negative ions are concentrated inside the membrane negative ions are concentrated outside the neural membrane while positive ions are concentrated inside the membrane d) both positive and negative ions are concentrated outside the neural membrane
- Which cell type is responsible for reuptaking neurotransmitters once released in the synapse? a) pyramidal cells b) ependymal cells c) glial cells d) oligodendrocytes The collective name for dopamine, serotonin and noradrenaline based on their chemistry is: a) cathecholamines b) indolamines c) neurotransmitters d) anxiolyticsQuestion 20 Which of the choices below describe the ANS? A) Sensory and motor neurons that supply the digestive tract B) Motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands. C) Sensory neurons that convey information from somatic receptors in the head, body wall, and limbs and from receptors from the special senses of vision, hearing, taste, and smell to the CNS. D) sensory and motor neurons that supply the digested tract Please give a brief explanation why aswers correct or incorrectDemyelination is the loss of myelin from neurones that are normally myelinated. Multiple sclerosis is a disease in which demyelination occurs in neurones involved in coordinating muscle movement. Using your knowledge of nerve impulse generation and propagation, explain how nerve impulse generation and propagation would be affected in people who have multiple sclerosis. The explanation needs to be in the form of a step by step sequence of annotated drawings. This could be in the form of an annotated cartoon/picture strip. Compare this to nerve impulse generation and propagation in an individual who does not have multiple sclerosis.