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Nervous System Questions And Answers Pdf

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Basal skull fractures involve the base of the calvarium and may be suggested by bruising about the eye or behind the ear d. CSF rhinorrhea associated with a basal skull fracture requires prompt surgical exploration and repair of the defect e....

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The natural history of a cord injury in which some function is preserved immediately after the injury is progressive loss of function despite appropriate treatment Answer: c, d, e A year-old man presents with chronic back pain with radiation into...

Nervous System MCQ Question with Answer

Increased intracranial pressure ICP contributes to secondary brain injury by reducing cerebral perfusion pressure producing cerebral ischemia b. Intracranial hypertension is one of the most important factors affecting outcome for brain injury c. Comatose patients who require emergent surgery for other injuries should have their ICP monitored e. Corticosteroids are the first line treatment for elevation of ICP Answer: a, b, d A year-old boy is struck by a baseball in the side of the head. He briefly looses consciousness but quickly returns to a lucid state. The initial neurologic finding may be dilatation of the ipsilateral pupil b. If the patient has a normal neurologic examination at the time of emergency room assessment, he can be discharged safely to home c.

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A head computed tomography CT scan should be performed regardless of the current neurologic examination d. The likely mechanism of injury arises from a tear of a branch of the middle meningeal artery as it courses through a grove in the skull at the area of impact e. If, after an initial lucid interval, a rapid progression to coma with fixed and dilated pupils and decerebration occurs, the most likely CT finding would be a subdural hematoma Answer: a, c, d Neuropraxia is temporary loss of function without axonal injury; structure damage does not occur b.

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Axonotmesis is disruption of the axon and axon sheath associated with traumatic injury c. Neurotmesis is disruption of the axon with preservation of the axon sheath which usually preserves sensory and motor function d. Electromyography EMG is useful in the early assessment of nerve injuries e.

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Stimulus-response coordination The simplest type of response is a direct one-to-one stimulus-response reaction. A change in the environment is the stimulus ; the reaction of the organism to it is the response. In single-celled organisms, the response is the result of a property of the cell fluid called irritability. In simple organisms, such as algae , protozoans , and fungi , a response in which the organism moves toward or away from the stimulus is called taxis.

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In larger and more complicated organisms—those in which response involves the synchronization and integration of events in different parts of the body—a control mechanism, or controller, is located between the stimulus and the response. In multicellular organisms, this controller consists of two basic mechanisms by which integration is achieved—chemical regulation and nervous regulation. In chemical regulation, substances called hormones are produced by well-defined groups of cells and are either diffused or carried by the blood to other areas of the body where they act on target cells and influence metabolism or induce synthesis of other substances. The changes resulting from hormonal action are expressed in the organism as influences on, or alterations in, form, growth , reproduction , and behaviour.

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Plants respond to a variety of external stimuli by utilizing hormones as controllers in a stimulus-response system. Directional responses of movement are known as tropisms and are positive when the movement is toward the stimulus and negative when it is away from the stimulus. When a seed germinates, the growing stem turns upward toward the light, and the roots turn downward away from the light. Thus, the stem shows positive phototropism and negative geotropism, while the roots show negative phototropism and positive geotropism. In this example, light and gravity are the stimuli, and directional growth is the response.

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The controllers are certain hormones synthesized by cells in the tips of the plant stems. These hormones, known as auxins , diffuse through the tissues beneath the stem tip and concentrate toward the shaded side, causing elongation of these cells and, thus, a bending of the tip toward the light. The end result is the maintenance of the plant in an optimal condition with respect to light. In animals , in addition to chemical regulation via the endocrine system , there is another integrative system called the nervous system. A nervous system can be defined as an organized group of cells, called neurons, specialized for the conduction of an impulse—an excited state—from a sensory receptor through a nerve network to an effector, the site at which the response occurs.

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Organisms that possess a nervous system are capable of much more complex behaviour than are organisms that do not. The nervous system, specialized for the conduction of impulses, allows rapid responses to environmental stimuli. Many responses mediated by the nervous system are directed toward preserving the status quo, or homeostasis , of the animal. Stimuli that tend to displace or disrupt some part of the organism call forth a response that results in reduction of the adverse effects and a return to a more normal condition. Organisms with a nervous system are also capable of a second group of functions that initiate a variety of behaviour patterns. Animals may go through periods of exploratory or appetitive behaviour, nest building, and migration.

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Although these activities are beneficial to the survival of the species, they are not always performed by the individual in response to an individual need or stimulus. Finally, learned behaviour can be superimposed on both the homeostatic and initiating functions of the nervous system. Intracellular systems All living cells have the property of irritability, or responsiveness to environmental stimuli, which can affect the cell in different ways, producing, for example, electrical, chemical, or mechanical changes. The responsiveness of a single cell can be illustrated by the behaviour of the relatively simple amoeba.

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Unlike some other protozoans, an amoeba lacks highly developed structures that function in the reception of stimuli and in the production or conduction of a response. The amoeba behaves as though it had a nervous system, however, because the general responsiveness of its cytoplasm serves the functions of a nervous system.

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An excitation produced by a stimulus is conducted to other parts of the cell and evokes a response by the animal. An amoeba will move to a region of a certain level of light. It will be attracted by chemicals given off by foods and exhibit a feeding response. It will also withdraw from a region with noxious chemicals and exhibit an avoidance reaction upon contacting other objects. Nervous system.

Oxford University Press | Online Resource Centre | Multiple choice questions

Multiple Choice Questions on Nervous System Sympathetic nervous system induces a Heart beat b Secretion of saliva c Secretion of digestive juices d all of these 7. The job of the Nervous System is: A to receive stimulus as sensory input. B Aintergration of stimulus with reaction. C to trigger action as a motor response or motor output. D All of the above. Get help with your Nervous system homework. Access the answers to hundreds of Nervous system questions that are explained in a way that's easy for you to understand. ProProfs, one of the popular quiz builder platforms, has more than nervous system quizzes which have already been played around times. View more. University of South Australia. Answer the following questions and then press 'Submit' to get your score. Question 1 The vagus nerve regulates major elements of which part of the nervous system?

CBSE Class 5 Science Skeletal And Nervous System Worksheet Practice Worksheet for Science

Eastern Time to 4 p. Eastern Time Please note that due to the impact of this COVID pandemic, all meeting participants will be joining this advisory committee meeting via an online teleconferencing platform. Agenda The meeting presentations will be heard, viewed, captioned, and recorded through an online teleconferencing platform. On November 6, , the committee will discuss biologics license application BLA , for aducanumab solution for intravenous infusion, submitted by Biogen Inc. The pre-recorded presentations will be viewed by the committee prior to the meeting and will not be replayed on meeting day.

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The meeting will include brief summaries of the pre-recorded presentations. Scroll down to the appropriate advisory committee meeting link. Public Participation Information Interested persons may present data, information, or views, orally or in writing, on issues pending before the committee. FDA is establishing a docket for public comment on this meeting. The docket number is FDAN The docket will close on November 5, Submit either electronic or written comments on this public meeting by November 5, Please note that late, untimely filed comments will not be considered. Electronic comments must be submitted on or before November 5, Eastern Time at the end of November 5, Comments received on or before October 23, will be provided to the committee. Comments received after that date but by November 5, will be taken into consideration by FDA. In the event that the meeting is cancelled, FDA will continue to evaluate any relevant applications or information, and consider any comments submitted to the docket, as appropriate.

The Human Nervous System | AQA GCSE Biology | Questions & Answers

Follow the instructions for submitting comments. Please call ahead of the meeting time to verify access. You should submit two copies total. Submit both copies to the Division of Dockets Management. Oral presentations from the public will be scheduled between approximately p. Eastern Time to p. Eastern Time. Those individuals interested in making formal oral presentations should notify the contact person and submit a brief statement of the general nature of the evidence or arguments they wish to present, the names and addresses of proposed participants, and an indication of the approximate time requested to make their presentation on or before October 15, Time allotted for each presentation may be limited.

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If the number of registrants requesting to speak is greater than can be reasonably accommodated during the scheduled open public hearing session, FDA may conduct a lottery to determine the speakers for the scheduled open public hearing session. The contact person will notify interested persons regarding their request to speak by October 16, If there are instances where the webcast transmission is not successful, staff will work to re-establish the transmission as soon as possible. Further information regarding the webcast, including the web address for the webcast, will be made available at least 2 days in advance of the meeting at the following website: Meeting Materials, Peripheral and Central Nervous System Drugs Advisory Committee CDER plans to post archived webcasts after the meeting, however, in cases where transmission was not successful, archived webcasts will not be available.

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As some background, I am a third-quartile student at a mid-tier US medical school. Took step following 2-year pre-clinical curriculum. Hello friends, amp xB; Bottom line - I wouldn't have been able to pass without the generous users from this community. From looking at the materials for this certification at the beginning of my CEH journey, it was pretty daunting. However, the guidance from this forum and due diligence I passed yesterday on my first attempt after questions. I have been transitioning into more of a security role the last 6 months or so. This sample test has the same basic structure and category divisions with questions very similar to those found on the real exam. The answer to each question also includes a detailed rationale. Updated in I passed the ! Hey all, On Friday I posted here unsure about my readiness for the exam, so I thought I'd post with an update. Is it as high as I would have hoped?

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I have 8 months of exp in IT, currently working as a systems technician doing a mixture of everything from Level 1 - Level 4 work. I'm still pretty green around the ears and hardware by far always made me the most nervous. Most of the prep work for this exam was don I graduated from the New College. My in-person classes were all at ASU West. However, several of the classes I took were iCourses that are available to a wider number of students. I am just gonna list these in the order I took them. I was a transfer student, so most of the lower division stuff won't be here as I took it at GCC. I hope this will serve as a resource for new and existing students when searching this subreddit. Long time lurker on this sub, first time posting. Apologies for any grammars, this got hella long. I'm going in to my sophomore year studying cybersecurity in New York and have both worked part time and been contracted for IT-related jobs, so I had a good amount of experience coming in.

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I started studying for CompTIA certs during winter break in January, then the spring semester started and I was way too busy to juggle classwork and normal exams along with certification exams, so I ended up taki I apologize for being a little MIA lately. I've been focusing on helping my own students to apply by the deadlines, but you guys mean a lot to me. If you sent me a message and I didn't reply, I sincerely apologize! I've been reading and evaluating apps for Berkeley's Management, Entrepreneurship, and Technology program, and marveling at how impressive you all are. I created a new guide, "How to Write a Letter of Continued Interest", and will post that sometime in the next few days, so look out for more free insight! I always studied in the last days, not really understanding the material and having hyper-stressful days, with a little hope of passing exams.

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It was horrible to study all night, I felt anxiety b It turned out to be 18 pages vastly more characters than Reddit allows me to post. The complete guide includes insight into how much weight interviews have in the application process, what to bring and wear to the interview, many questions you might be asked and what to say and not say in response , how to create a great conversation using someth I was in the same boat. Here's another fact: the bar exam is designed to be the most fear-inducing and panic-inducing test you have ever taken as a law student.

Questions in Multiple Choice Questions (MCQ)

Fear and panic send your sympathetic nervous system responsible for things like heart rate and blood pressure into overdrive. This is problematic, because science has taught us that this increased sympatheti Wow, I did not expect that. Literally my mindset going in was like "Okay well, coming out of this, at least I'll know exactly where to study so I can pass the second try.

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So the first piece of advice I can offer Is just take it. Don't keep putting it off like I did. I began Studying back in Apri It really helped give me some idea of what I was up against and how to more effectively structure my study plan in the weeks leading up to the exam So thanks again to all! I took the CAT exam last Friday Walked away with the provisional pass, in complete shock and it was my first time taking this exam. From the start of class, I felt overwhelmed. On the first day our professor who also teaches the medical students made it clear that this would be moving FAST. He wasn't kidding. We covered so much material meeting three days a week.

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The first day of cadaver lab, I thought it was going to be orientation and "this is where the exits are, this is A couple things I found out: -The pearson view centers that administer the FE Exam require you to use a fine tipped marker on a series of grid-lined laminated pages they give you. No pencil or paper I thought this might be a problem, but it really wasn't a big deal.

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It's just good to know ahead of time -I found the TIX Pro that was lent to me to be extremely useful for a couple of thi I'd like to give back, so here are the deets. Sections: 1. Scores 2. Study Materials 3. Test Day 4. Schedule and Method 5. CARS bonus 6. I was literally shaking the entire time and my heart rate felt much higher than normal. It didn't help that my teaching aid had quite an intimidating look and unfriendly attitude. Despite that, I passed with a Coming into the test, I had some experience building my own computer and for some friends. I've also fiddled around and set up my own home network and had recently finished a diploma in Systems Administrat It was a long hard road, and there were days I thought I'd never get it done.

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ABout 3 weeks ago I posted a stump the dummy type thread and appreciate everyone who posted in that in order to prepare me, I did really really well in the oral! We did the oral 2 weeks ago, but due to scheduling and weather always issues, we couldn't get the flight done until yesterday afternoon. Pardon the lengthy debrief. Flight was flown in B spinal cord and spinal nerves. C spinal nerves and cranial nerves. D All of the above. The Peripheral Nervous System is made up of the: A brain and spinal cord. C spinal nerves and brain. Explanation are given for understanding. Gathers information from both inside and outside the body - Sensory Function 2. Transmits information to the processing areas of the brain and spine 3. Processes the information in the brain and spine — Integration Function 4. The most basic function of the nervous system is: a.

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