What microbe causes diseases that disappear (or person recovers from) on their own within a few days?
Virus
A person getting well on their own within a few days describes which feature of a virus?
Self-limiting nature
What aspect of a host cell gives viruses their self limiting nature?
Interferon
True or False:
Interferon has a high molecular weight.
False
True or False:
Interferon has a low molecular weight.
True
What initiates production of an antiviral protein to protect a cell from viral invasion?
Interferon
True or False:
Interferon is only found in certain cells.
False
Interferon is a normal component of all cells
True or False:
The amount of interferon increases with viral infection
True
What substance conveys a message of impending infection to surrounding cells?
Interferon
Viruses that share a common genome and relationships to the organism
generally constitute
B. A viral species
This disease can produce a chronic progressive neurological
complications affecting the brain resulting in death
B. Measles
Pediculosis is caused by
B. Lice
Most cases of nongonococcal urethritis are caused by
B. Chlamydia
A must feared childhood disease that killed 30 – 50% of its victims
E. Diphtheria
BRAIN PARENCHYMA'S DESTRUCTION LEADING TO THE CRIPPLING EFFECTS WAS TYPICALLY SEEN
IN:
D. Polio
THESELF LIMITING NATURE OF VIRAL DISEASES DEPENDS MAINLY ON THE ABILITY OF HUMAN
CELLS TO PRODUCE:
A. OPSONIN
B. COMPLEMENT
C. SPERM[DINE
D. INTERFERON
E. HISTONES
D. Interferon
GAMMA GLOBULINS ARE OFTEN GIVEN TO PREVENT:
D. Hepatitis A
HEPATITIS _______ IS RECOGNIZED TO BE PARTICULARLY SERIOUS IN A PREGNANT WOMAN:
A. E
MONONUCLEOSIS CAUSING VIRUS ALSO CAUSES:
E. Burkitts lymphoma
HUMAN IMMUNO-DEFICIENCY VIRUS HAS ALL EXCEPT
C. COLLAGENASE
WHICH VIRUS, OTHER THAN HIV HAS BEEN LINKED TO KAPOSI'S SARCOMA:
E. HERPESVIRUS 8 (*CHECK)
POLYMERASE CHAIN REACTION IDENTIFIES _______ IN THE DIAGNOSIS OF HIV POSITIVITY TESTING:
E. RNA
True or False:
HEPATITIS 'B’ IS ASSOCIATED WITH 80% OF THE
LIVER CANCER AND IS ALSO KNOWN AS SERUM HEPATITIS.
True
True or False:
LIKE HEPATITIS ‘B’, HEPATITIS ‘C’ IS ALSO KNOWN FORMS ASSOCIATION WITH LIVER CANCER. HEPATITIS ‘C’ IS KNOWN FOR BEING PARENTERALLY TRANSMITTED
True
*Possible association with liver cancer
*occasionally crosses placenta, but Hepatitis B is more likely to be parenterally transmitted
True or False:
RUBELLA (THE GERMAN MEASLES AGENT) IS A MEMBER OF THE GROUP ARBO OR TOGA-VIRUSES. , HOWEVER, RUBELLA IS NOT TRANSMITTED BY INSECTS AND IS DROPLET ROUTE TRANSMITTED.
True
True or False:
DENGUE FEVER, AT ONE TIME, THREATENED THE CONSTRUCTION OF PANAMA CANAL.
False
*Yellow Fever threatened the construction of Panama Canal
True or False:
AMANTADINE PREVENTS INFLUENZA AND SEQUINAVIR TREATS AIDS.
True
True or False:
ONLY ABOUT 1-2% OF THE NON-IMMUNE, TO POLIO, INDIVIDUALS WHO SUFFER FROM A POLIO VIRUS ATTACK ACTUALLY SHOW THE CRIPPLING EFFECT'S OF POLIO
True
True or False:
ENDERS, WELLER AND ROBBINS ARE THE PEOPLE WHO DEVELOPED TECHNIQUES TO CULTURE THE POLIO VIRUS ON NON-NEURAL TISSUE. SALK AND SEBIN SUBSEQUENTLY DEVELOPED A KILLED AND A LIVE POLIO VACCINE, RESPECTIVELY.
True
*Non neural monkey kidney cells
True or False:
ECHO, COXSACIE, ADENO ARE ALL COMMON COLD CAUSING VIRUSES
False
*Adenovirus causes Acute Respiratory Disease
*Other cold causing viruses- Coxacie, Echo, Rhino
True or False:
AFRICAN GREEN MONKEYS ARE THE RESERVOIRS FOR EBOLA
False
*Unknown reservoir
True or False:
MORBILLI MEASLES VIRUS CAN BE TRANSMITTED CONGENITALLY AND CAUSE DAMAGE TO THE
FETUS.
True
*Rubella
True or False:
HIV IS A MEMBER OF RETROVIVIDAE AND IS TYPICAL FOR HAVING DOUBLE STRANDED DNA AND A REVERSE-TRANSCRIPTASE.
False
*ssRNA
True or False:
WESTERN BLOT TEST FOR THE DIAGNOSIS OF AIDS IS THE MOST SENSITIVE TESTS
FOR AIDS. IT IDENTIFIES VIRAL PROTEINS.
False
*2nd Best
*Best- PCR
HERPES SIMPLEX - I
E. Keratitis Agent
HERPES SIMPLEX - II
B. LINKED TO CERVICAL CANCER
VARICELLA
E. A VACCINE JUST BECAME AVAILABLE BUT NOT IN EXTENSIVE USE
*Vaccine developed in 1995
CYTOMEGALOVIRUS
D. CONGENITALLY TRANSMITTED OFTEN
EPSTEIN BARR VIRUS
A. LINKED TO THE CANCER OF THE JAW
*Because it causes Burkitt's Lymphoma
EBOLA
A. DEADLY HEMORRHAGIC FEVER IN AFRICA
42. DENGUE FEVER
E. 2ND ATTACK IS OFTEN DEADLY
*hemorrhagic form
YELLOW FEVER
B. MAX THEILER DEVELOPED A VACCINE
MARBURG VIRUS
A. A RARE HEMORRHAGIC CONDITION IN GERMANY
B. DEADLY HEMORRHAGIC FEVER IN AFRICA
C. PEARLY CATARACT
D. MAX THEILER DEVELOPED A VACCINE
E. 2ND ATTACK IS OFTEN DEADLY
A. A RARE HEMORRHAGIC CONDITION IN GERMANY
RUBELLA
A. A RARE HEMORRHAGIC CONDITION IN GERMANY
B. DEADLY HEMORRHAGIC FEVER IN AFRICA
C. PEARLY CATARACT
D. MAX THEILER DEVELOPED A VACCINE
E. 2ND ATTACK IS OFTEN DEADLY
C. PEARLY CATARACT
*In babies
True or False:
Interferon is species specific
True!
True or False:
Interferon is virus specific
False
An enhanced amount of Interferon is is produced in response to all of the following EXCEPT:
C. Bacterial Infections
True or False:
Interferon is now being prepared by E. coli and chlamydia
FALSE
*E. coli & Yeast (saccharmomyces)
Interferon is used in the treatment of all of the following EXCEPT:
B. Chlamydia
What activates host cell gene for interferon?
A. Viral replication of dsRNA
When interferon binds to a neighboring cell, it stimulates the production of which of the following? (choose 2)
A. Antiviral Protein
C. Interferon
Antiviral protein
B. Blocks viral replication
What type of Interferon activates tumor destruction & killing of infected cells?
C. Gamma-Interferon
Which of the following is a type II interferon?
B. Gamma
Which type of interferon is derived from Leukocytes?
C. Gamma
Which of the following is NOT a factor in the self limiting nature of viruses?
A. Antiviral drug medications
Which of the following immunizations is not lifelong?
E. Hepatitis B
Which of the following immunizations does not include a Live virus?
B. Rabies
Which of the following vaccines is not injected intramuscularly?
C. Rubella
Which of the following is not a neurotropic disease?
D. Molluscum contagiosum
True or False:
Polio is a picorna virus.
True
Polio is transmitted by all of the following EXCEPT:
B. Feces
Polio is diagnosed in all of the following ways EXCEPT:
A. Immunofluorescent Antibody Test (IFAT)
True or False:
The only way to test for polio is by testing antibodies in the blood
False
*Also test feces & throat
The most serious stage of Polio is:
A. Neurologic
What is the correct order for the stages of polio?
D. Entry, Alimentary, Lymphatic, Viremic, Neurologic
Which of the following does NOT increase the chance of severity of polio?
E. Race
Who developed the killed vaccine for polio in 1955?
B. Salk
Who developed the live attenuated vaccine for polio in 1963?
B. Salk
True or False:
The Live attenuated vaccine is more effective, but also has higher risk.
True
Which of the following diseases is Zoonotic?
C. Rabies
Who created the rabies vaccine?
C. Pasteur
True or False:
An animal can be determined to have rabies by the discovery of negri bodies in the cerebellum.
True
How is a patient tested for rabies?
C. Immunofluorescent Antibody Test (IFAT)
True or False:
Rabies is a picorna virus.
False
*Rhabdo virus
True or False:
Rabies is a RNA virus
True
Which of the following is the major domestic carrier of rabies?
A. Cats
True or False:
Once rabies symptoms appear, it is too late to vaccinate.
True
Who created the first artificial vaccine?
D. Pasteur
The first artificial vaccine was to prevent which of the following viruses?
D. Rabies
*Louis Pasteur & 9 y/o boy
Which of the following is the smallest virus?
E. Polio
True or False:
The herpesvirus is a dsDNA virus.
True
Which of the following is NOT enveloped?
D. Polio
Which of the following is NOT enveloped?
A. Picornaviridae
Polio
C. Picornaviridae
Hepatitis A
A. Picornaviridae
Rubella
B. Togaviridae
German measles
A. Togaviridae
Equine Encephalitis
C. Togaviridae OR D. Flaviviridae
Yellow Fever
E. Flaviviridae
Rabies
B. Rhabdoviridae
Chicken Pox
D. Herpesviridae
Which of the following is NOT a RNA virus?
B. Herpesviridae
*dsDNA
Which of the following is NOT a strain of encephalitis?
D. BEE
True or False:
Encephalitis infects horses more often than humans.
True
True or False:
The encephalitis virus is known for frequently changing hosts.