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ColdsViral PneumoniaRespiratory Syncytial Virus Infection Influenza Viral Respiratory System DiseasesDiseases > Viral Respiratory System Diseases

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www.boundless.com/microbiologyOver 200 virus types have been found that cause the common cold, with rhinoviruses being the most common.Rhinoviruses are a sub-type of picornavirus, a non-enveloped RNA virus, which is very small in size.The symptoms of the common cold are not due to the viral infection directly but rather the bodies response to the virus.There is no cure for the common cold, and in fact antibiotics which often prescribed are detrimental to patients.Colds

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Diseases > Viral Respiratory System Diseases

Viral pneumonia is caused by both viral infection which leads to cell death.The body'sresponseto clear the cellular debris leads to further inflammation and the blockage of respiration.Many different viruses can cause viral pneumonia, but they all enter the lungs and damage the alveoli.The best prevention for viral pneumonia is to vaccinate against the viruses that can cause pneumonia.Viral Pneumonia

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Diseases > Viral Respiratory System Diseases

RSV is a single stranded virus, the genome of which encodes 11 proteins which play different roles in RSV infection.RSV can induce syncytia (aggregates of host cells), providing further fertile ground for RSV to propagate.There is no direct treatment of RSV except to mitigate the symptoms, giving the patient's body time to fight off the infection.Respiratory Syncytial Virus Infection

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Diseases > Viral Respiratory System Diseases

The most common symptoms of the disease are chills, fever, sore throat, muscle pains, severe headache, coughing, weakness/fatigue, and general discomfort.Influenza is transmitted through the air by coughs or sneezes, by direct contact with bird droppings or nasal secretions, or through contact with contaminated surfaces.Coryza is a word describing the symptoms of a cold and refers to the inflammation of the mucous membranes lining the nasal cavity which usually gives rise to the symptoms of congestion.Influenza

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Diseases > Viral Respiratory System Diseases

Free to share, print, make copies and changes. Get yours at www.boundless.comAppendixKey termsAlveoli alveolus (plural alveoli) a small air sac in the lungs, where oxygen and carbon dioxide are exchanged with the blood.apoptosis The process of programmed cell death by which cells undergo an ordered sequence of events which lead to death of the cell.This occurs during growth and development of the organism, as a part of normal cell aging, or as a response to cellular injury.cannula A hose or tube that connects directly to an oxygen (O2) bottle/source from the user's nose, commonly used by aircraft pilots or others needing a direct oxygen breathing apparatus.capsid The outer protein shell of a virus.coryza Inflammation of the mucous membranes lining the nasal cavity, usually causing a running nose, nasal congestion, and loss of smell.cytokines Regulatory proteins that function in the regulation of the cells involved in immune system functionhypertonic Having a greater osmotic pressure than another.influenza An acute contagious disease of the upper airways and lungs, caused by a virus, which rapidly spreads around the world in seasonal epidemics.prophylactic A medicine that preserves or defends against disease; a preventive.RNA virus Any of many viruses that possess ribonucleic acid as their genetic material and do not replicate using DNA.serotypes A group of microorganisms characterized by a specific set of antigens; serovar.

Free to share, print, make copies and changes. Get yours at www.boundless.comDiseasesSymptoms of pneumoniaTypical symptoms associated with pneumonia.

Free to share, print, make copies and changes. Get yours at www.boundless.comWikimedia. "Symptoms of pneumonia." Public domain http://commons.wikimedia.org/wiki/File%253ASymptoms_of_pneumonia.svg View on Boundless.comDiseases

SyncytiumThe mass or "ball" of cells in the middle of the image are a syncytium of cells that formed due to infection by the HIV virus.

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Symptoms of influenzaSymptoms of influenza with fever and cough the most common symptoms.

Free to share, print, make copies and changes. Get yours at www.boundless.comWikipedia. "Influenza." Public domain http://en.wikipedia.org/wiki/Influenza View on Boundless.comDiseases

Free to share, print, make copies and changes. Get yours at www.boundless.comDiseasesThe common cold is best described as:A) a viral infectious disease of the lower respiratory tract that primarily affects the alveoliB) a viral infectious disease that produces an immune response that damages the nasal epitheliumC) a viral infectious disease of the upper respiratory tract that primarily affects the noseD) a viral infectious disease that can be treated with a wide range of antibiotics

Free to share, print, make copies and changes. Get yours at www.boundless.comDiseasesThe most commonly implicated virus in the common cold is the rhinovirus. Which of the following best describes this rhinovirus?A) It is an enveloped RNA virusB) It is a non-enveloped DNA virusC) It is an enveloped DNA virusD) It is a non-enveloped RNA virus

Free to share, print, make copies and changes. Get yours at www.boundless.comDiseasesPneumonia can be caused by either viral or bacterial infections. Which of the following statements is NOT correct in regards to the viral route of infection?A) The virus enters the respiratory system by entering the mouth and nose via dropletsB) The virus, upon invasion of the airway and alveoli, will directly kill the cells or cause apoptosisC) The immune system response damages the lungs by activating agents that fill the alveoli with fluidD) The virus infects the alveoli, replicates and releases viruses which cause fluid to fill the alveoli

Free to share, print, make copies and changes. Get yours at www.boundless.comDiseasesWhich of the following characteristic can be associated with the human respiratory syncytial virus (RSV)?A) RSV is a negative-sense, single stranded DNA virusB) RSV is a negative-sense, double stranded RNA virusC) RSV is a negative-sense, single stranded RNA virusD) RSV is a negative-sense, double stranded DNA virus

Free to share, print, make copies and changes. Get yours at www.boundless.comDiseasesWhich of the following is a unique characteristic of the human respiratory syncytial virus (RSV)?A) The expression of M proteins required for viral fusion protein synthesis that enter the host cellB) The expression of SH proteins that are needed to form syncytiaC) The expression of G proteins responsible for transferring genomic RNA to the hostD) The expression of F proteins on its surface that results in the merging of nearby cell membranes

Free to share, print, make copies and changes. Get yours at www.boundless.comDiseasesChoose the answer that best describes coryza, a respiratory system disorder.A) viral infection causing chills, fever, aches, fatigueB) inflammation of mucous membranes of nasal cavity that may be viral or allergenic in natureC) caused by RNA virus with rapidly-evolving protein 'coat' requiring new vaccinations each yearD) caused by family of viruses that affect both birds and mammalsAttributionWikipedia. "Common cold." CC BY-SA 3.0 http://en.wikipedia.org/wiki/Common_coldWikipedia. "Common cold." CC BY-SA 3.0 http://en.wikipedia.org/wiki/Common_coldWikipedia. "Picornaviridae." CC BY-SA 3.0 http://en.wikipedia.org/wiki/PicornaviridaeWikimedia. "Coronaviruses 004 lores." CC BY-SA 3.0 http://commons.wikimedia.org/wiki/File:Coronaviruses_004_lores.jpgWikipedia. "Common cold." CC BY-SA 3.0 http://en.wikipedia.org/wiki/Common_coldWikipedia. "Common cold." CC BY-SA 3.0 http://en.wikipedia.org/wiki/Common_coldWikipedia. "Common cold." CC BY-SA 3.0 http://en.wikipedia.org/wiki/Common_coldWiktionary. "capsid." CC BY-SA 3.0 http://en.wiktionary.org/wiki/capsidWiktionary. "serotypes." CC BY-SA 3.0 http://en.wiktionary.org/wiki/serotypesWikipedia. "Viral pneumonia." CC BY-SA 3.0 http://en.wikipedia.org/wiki/Viral_pneumoniaWikipedia. "Viral pneumonia." CC BY-SA 3.0 http://en.wikipedia.org/wiki/Viral_pneumoniaWikipedia. "Viral pneumonia." CC BY-SA 3.0 http://en.wikipedia.org/wiki/Viral_pneumoniaWikipedia. "Pneumonia." CC BY-SA 3.0 http://en.wikipedia.org/wiki/PneumoniaWikipedia. "Viral pneumonia." CC BY-SA 3.0 http://en.wikipedia.org/wiki/Viral_pneumoniaWiktionary. "cytokines." CC BY-SA 3.0 http://en.wiktionary.org/wiki/cytokinesWiktionary. "apoptosis." CC BY-SA 3.0 http://en.wiktionary.org/wiki/apoptosisBoundless Learning. "Boundless." CC BY-SA 3.0 http://www.boundless.com//physics/definition/alveoli--2

Free to share, print, make copies and changes. Get yours at www.boundless.comDiseasesWikipedia. "Syncytia." CC BY-SA 3.0 http://en.wikipedia.org/wiki/Syncytia#Viral_infectionWikipedia. "Human respiratory syncytial virus." CC BY-SA 3.0 http://en.wikipedia.org/wiki/Human_respiratory_syncytial_virusWikipedia. "Human respiratory syncytial virus." CC BY-SA 3.0 http://en.wikipedia.org/wiki/Human_respiratory_syncytial_virusWikipedia. "Human respiratory syncytial virus." CC BY-SA 3.0 http://en.wikipedia.org/wiki/Human_respiratory_syncytial_virusWiktionary. "hypertonic." CC BY-SA 3.0 http://en.wiktionary.org/wiki/hypertonicWiktionary. "prophylactic." CC BY-SA 3.0 http://en.wiktionary.org/wiki/prophylacticWiktionary. "cannula." CC BY-SA 3.0 http://en.wiktionary.org/wiki/cannulaWikipedia. "Coryza." CC BY-SA 3.0 http://en.wikipedia.org/wiki/CoryzaWikipedia. "Influenza." CC BY-SA 3.0 http://en.wikipedia.org/wiki/InfluenzaWiktionary. "influenza." CC BY-SA 3.0 http://en.wiktionary.org/wiki/influenzaWiktionary. "RNA virus." CC BY-SA 3.0 http://en.wiktionary.org/wiki/RNA+virusWiktionary. "coryza." CC BY-SA 3.0 http://en.wiktionary.org/wiki/coryza

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