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107 Cards in this Set
- Front
- Back
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Viruses can infect? |
a. plants b. animals c. bacteria d. All Organisms a:D |
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The correct Hierarchial order for virus classification is: |
a. Order, genus, family, subfamily, species b. Species, genus, family, subfamily, order c. Order, family, subfamily, genus, species d. Genus, order, family, subfamily, species a: C |
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Viral capsomeres are composed of subunits called: |
a. Envelopes b. Protomeres c. Capsids d. Nucleoids a:B |
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RNA viruses belong to which of the following groups according to the Baltimore classification system? |
A. I, II, III B.II, III, IV C. I, IV, V D. II, IV, V a: D |
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A phage in a repressed stage is referred to as a(n): |
a. Antiphage b. Prophage c. Virulent phage d. Latent phage a: B |
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The correct sequence of stages in the multiplication of animal viruses is: |
a. Absorption, penetration, uncoating , replication, assembly, release b. Penetration, absorption, assembly, uncoating, replication, release c. Absorption, uncoating, penetration, replication, assembly, release d. Penetration, uncoating, absorption, replication, assembly, release a: A |
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A persistent infection that is not lytic but productive is called a ________ infection? |
a. Chronic b. Latent c. Slow d. Transforming a:A |
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Which of the following viruses belong to the family Herpesviridae? |
a. Epstein-Barr Virus (mono) b. Proxvirus c. SARS-CoV d. HIV a: A |
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Transmissible spongiform encephalopathies are caused by: |
a. Flaviviruses b. Virusoids c. Prions d. Orthomyoviruses a:C |
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A virus that infects bacteria is referred to as a(n) __________. |
bacteriophage |
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The size of viruses varies from very small, such as the parvovirus at about ___ nm and the poliovirus at __ nm, to fairly large, such as the vaccinia virus at ___ nm and the proxyviruses, which can be up to ___ nm. |
20 30 400 450 |
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Viruses consist of genetic material carried in a "shell" called the viral coat or______. |
Capsid |
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Subunits referred to as Protomeres assemble to form ______. |
Capsomeres |
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The Baltimore Classification of Viruses has how many groups? |
7 groups |
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Family: DNA Virus-Parvoviridae Genus 0r subfamily: erythrovirus Species: B19 Virus Infection or Disease? |
Erythema Infectiosum |
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Papillomavirdae or Papillomavirus (HPV) Belongs to DNA or RNA family? |
DNA Virus |
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Polyomaviridae or Polyomarvirus belongs to DNA or RNA family? |
DNA Virus |
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Adenoviridae or Mastadenovirus (Human Adenovirus 2) belongs to DNA or RNA family? |
DNA virus |
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Herpesviridae or Alphaherpesvirinae also varicellovirus, gammaherpesvirinae, betaherpesvirinae, roseolovirus belong to DNA or RNA family? |
DNA virus |
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Poxviridae or Orthopoxvirus (smallpox aka variola vera and Vaccina virus) belong to DNA or RNA family? |
DNA virus |
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Hepadnaviridae or Orthohepadnavirus (Hepatitis B virus) belongs to the DNA or RNA family? |
DNA virus |
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Picornaviridae or Enterovirus (Poliovirus) belongs to the DNA or RNA family? |
RNA Virus |
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Rhinovirus or Human rhinovirus A (common cold) belong to the DNA or RNA family? |
RNA Virus |
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Hepatovirus or Hepatitis A virus belongs to the DNA or RNA family? |
RNA Virus |
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Aphthovirus or foot-and mouth disease virus belong to the DNA or RNA family? |
RNA virus |
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Caliciviridae or Calicivirus (Norovirus) belongs to the DNA or RNA family? |
RNA virus |
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Astroviridae or Astrovirus (Human Atroiruses(five serotypes) causes gastroenteritis belongs to the DNA family or RNA family? |
RNA Virus |
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Parvoviridae or B19 virus causes what? |
Erythema infectiosum |
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Papillomaviridae or Human Papillomairus causes what? |
More than 60 HPV types: common warts, planter warts, flat cutaneous warts, etc. |
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Adenoviridae or Human adenovirus 2 causes what? |
Gastrointestinal tract infections, infection of the conjunctiva, central nervous system infections, urinary tract infections. |
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Herpesviridae or Alphaherpesvirinae aka Herpes simplex virus 1 (HSV-1); human herpesvirus 1 (HHV-1) Herpes simplex virus 2 (HSV-2); human herpesvirus 2 (HHV-2) cause what? |
HSV-1: Predominatly orofacial herpes HSV-2: Predominatly genital herpes |
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Varicellovirus or Varicella-zoster virus (human herpesvirus 3 [HHV-3]) causes what? |
Chickenpox and shingles |
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Gammaherpesvirinae or Epstien-barr virus (EBV) Lymophocryptovirus (HHV-4) Kaposi's sarcoma- associated herpesvirus (HHV-8) causes what? |
HHV-4: Infectious mononucleosis, Burkitt's lymphoma, CNS lymphoma in AIDS patients, posttransplant lymphoproliferative syndrome, nasopharyngeal carcinoma HHV-8: Kaposi's carcoma, primary effusion lymphoma, some types of multicentric Castleman's disease |
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Betaherpesvirinae or Cytomegalovirus (HHV-5) cause what? |
Infectious mononucleosis, retinitis |
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caliciviridae or Norovirus causes what? |
gastroenteritis |
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Togaviridae causes |
Sindbis virus disease, polyarthritis and rash |
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ross River virus causes? |
Epidemic polyarthritis |
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Rubivirus causes? |
Rubella which causes deafness in newborns |
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Faviviridae or flavivirus causes ? |
yellow fever |
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Hepatitis C viruses causes |
Hepatitis C which is chronic and blood borne |
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Rotaviris or Human Rotavirus A, B, and C causes? |
Gastrointestinal Infections (severe diarrhea in children can be deadly) |
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Orthomyxoviridae causes |
Influenza A and B cannot give antibiotics. |
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Rubulavirus causes? |
Mumps |
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Pneumonvirus or respiratory syncytial virus causes: |
Respiratory tract infections (majority of death in children) |
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Rhabdoviridae or Vesticular stomatitis virus causes |
Influe-like syptomes: malaise, nausea, pain in limbs and back, possible vesicular lesions in mouth lips and hands, leukopenia |
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Lyssavirus causes ? |
Rabies |
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How big is E.coli? |
3,000 nm bacteria biggest |
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The genetic information of a virus can be carried in the form of ? |
DNA and RNA |
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Most ______ viruses either belong to group I or Group II viruses of the baltimore classification system. |
DNA |
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RNA viruses use RNA as thier genetic material and do not replicate using DNA. Thy belong to Group ____________ of the Baltimore classification system. |
II, IV, or V |
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Multiplication of bacteriophages events that occur are? |
Absorption Penetration Assembly |
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The stages of the multiplication cycle for animal viruses include? |
Absorption Penetration Uncoating Replication Assembly Release |
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Hepatitis A |
Picornavirus |
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Hepatitis B |
Hepadnavirus |
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hepatitis C |
Flavivirus |
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Hepatitis D |
Delta agent |
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Hepatitis E |
Herpesvirus |
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Fecal-oral route, water-or foodborne |
Hep A |
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Paternally by blood or needles, sexual contact, perinatally |
Hep B |
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Blood to blood contact, infected blood, intravenous drug abuse, sexually, transfusions and organ recipients |
Hepatitis C |
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Needs Hepatitis B virus to exist, found in persons infected with the hepatitis B virus |
Hepatitis D |
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Fecal-oral route, especially contaminated water |
Hep E |
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Examples of the Bunyaviridae Capable of infecting humans are? |
Bunyavirus Hantavirus Nairovirus Phlebovirus |
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Positive-sense RNA, Unenveloped isosahedral capsid |
Hep A |
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Enveoloped DNA |
Hepatitis B |
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Positive-strand RNA, enveloped |
Hepatitis C |
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Negative-sense, single stranded, closed circular RNA |
Hep D |
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Nonenveloped, positive-sense, single-stranded RNA |
Hepatits E |
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Paravovirdae |
Erythema Infectiosum |
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Adenoviridae |
Conjuctivitis Pink Eye |
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Orthopoxvirdae |
Small Pox |
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1st immunization to a new born |
Hep B (second is Vitamin K) |
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Rhinovirus |
common cold |
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Astroviridae |
gastroenteritis |
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orthomyovirdae |
Influenza A and B |
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onocogenic |
cancerous |
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papovaviridae |
dsDNA /warts |
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Epstien Barr -MONO |
dsDNA No contact sports/ spleenomegaly |
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hepadnavirus Hep B |
dsDNA/ Liver cancer or liver failure |
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retroveridae |
ssRNA, AIDS |
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Adenovirus |
GI, and CNS infections (and conjuctivitis aka pink eye) |
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Flavavirdae |
yellow fever |
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Rubella |
#1 cause of deafness in newborns |
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Rotavirus |
Gastrointestinal infections (Diarrhea) |
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An outer layer that surrounds the necleocapsid is |
viral envelope |
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Viral infection /abortive infection |
no viral infection occurs |
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Persistent infection |
do not cause cell death |
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Papovirdae |
cervical cancer-gardisill |
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Herpesviridae |
mono-no contact sports splenomegaly |
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Bunyavirus |
encephalitis |
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Hantaviris |
hemmoragic fever with renal syndrome |
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Ecoli causes |
UTI |
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Salmonella |
typhod fever from food borne illness |
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Mycoplasma pneumoniae |
Upper and lower respiratory infections including brochopneumonia |
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staphlyococcus aureus |
minor skin infection, septicemia, meningitis |
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Streptococcus pneumoniae |
Pneumonia, meningitis, bacteremia |
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Endospores |
gram-Positive rods and cocci |
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Baccillus antrasis |
antrax |
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Clostridum Botulinum |
botulism |
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Clostridium perfringens |
gas gangrene |
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Clostridium difficile |
pseudomembranous colitis (mega Colen) |
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Clostridium Tetani |
Tetanus |
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Chlamydia trachomatis |
PID |
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Treponema Pallidum |
Syphilis |
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Treponema Pallidum tx |
Penicillin (first used) |
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Lymes disease or Borrelia Burgdorferi treatment for early stages |
Doxycycline (except in children) |
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Borrelia Bugdorferi treatment for refractile or late stages |
Prolonged treatment with ceftriaxone |
