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Multiple Choice Quiz
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1

What are hemagglutinin and neuraminidase?
A)Exotoxins produced by the influenza virus
B)Glycoprotein receptors on influenza's target cells
C)Glycoproteins on influenza virus that contribute to virulence
D)Proteins found in the nucleus of influenza virus
E)Proteins that surround each segment of the nucleic acid in influenza
2

What virus commonly undergoes both antigenic shifts and antigenic drifts?
A)HIV
B)Ebola
C)Rotavirus
D)Influenza
E)Rabies
3

Ebola is a member of what family of viruses?
A)Filovirus
B)Retrovirus
C)Orthomyxovirus
D)Togavirus
E)Coronavirus
4

What increases the possibility of antigenic shift in influenza virus?
A)The presence of neutralizing antibodies to influenza
B)The presence of herd immunity
C)The annual flu shot
D)Aerosol transmission of influenza
E)The simultaneous infection of one individual with two different strains of influenza
5

What type of vaccine is the current flu vaccine?
A)Live, attenuated virus
B)Acellular
C)Recombinant
D)Killed, whole virus
E)Toxoid
6

How are all the important human paramyxoviruses transmitted?
A)By direct contact with infected rodents
B)By respiratory droplets
C)By the bite of an infected arthropod
D)By sexual transmission
E)By contaminated food
7

A giant, multinucleated cell that has cytoplasmic inclusion bodies is also known as a what?
A)Syncopate
B)Syncytium
C)Syncline
D)Synchrotron
E)Syndrome
8

What is the body's target site for the paramyxovirus that causes mumps?
A)Throat
B)Mouth
C)Parotid gland
D)Adenoid glands
E)Thyroid gland
9

Koplik's spots are associated with what illness?
A)Mumps
B)Measles
C)German measles
D)RSV infection
E)Influenza
10

For what disease is postexposure vaccination with the human diploid cell vaccine (HDCV) indicated?
A)Rabies
B)Measles
C)Mumps
D)Rubella
E)RSV infection
11

What virus can cause teratogenic effects?
A)SARS
B)Rabies
C)Influenza
D)Hanta
E)Rubella (Rubivirus)
12

Which is not a chief vector of the arboviruses?
A)Gnats
B)Mosquitoes
C)Spiders
D)Flies
E)Ticks
13

What is the most common tick-borne viral fever in the United States?
A)Colorado tick fever (CTF)
B)West Nile encephalitis
C)Eastern equine encephalitis (EEE)
D)St. Louis encephalitis (SLE)
E)California encephalitis
14

The CDC has discovered the presence of the Asian tiger mosquito in several states along the southern border of the United States. They worry that this mosquito could be a potential vector for what disease?
A)Western equine encephalitis (WEE)
B)Eastern equine encephalitis (EEE)
C)St. Louis encephalitis
D)Yellow fever
E)Dengue fever
15

According to the World Health Organization, what region of the world has the largest number of both adults and children living with HIV/AIDS?
A)South and South East Asia
B)Sub-Saharan Africa
C)North Africa and Middle East
D)Latin America
E)Eastern Europe and Central Asia
16

What mode of HIV transmission is growing more rapidly than any other?
A)Sexual transmission between homosexual or bisexual males
B)Blood transfusions and blood products
C)Sharing of contaminated needles
D)Congenital or neonatal AIDS
E)Contact by medical or dental personnel
17

Which is a method by which HIV can be transmitted?
A)Inhalation of respiratory from AIDS patients
B)Sharing food with an AIDS patient
C)Shaking hands with an AIDS patient
D)Sexual intercourse with an AIDS patient
E)Touching inanimate objects handled by an AIDS patient
18

What class of lymphocytes is infected and destroyed by HIV?
A)Monocytes
B)Macrophages
C)Antibodies
D)CD8
E)CD4
19

What infection is the leading cause of morbidity and mortality in AIDS patients?
A)Cryptococcus neoformans meningitis
B)Candida albicans infection
C)Toxoplasmosis
D)Cryptosporidium diarrhea
E)Pneumocystis carinii pneumonia
20

Which is not a class of drugs used in HIV/AIDS therapy?
A)Synthetic nucleotides
B)Reverse transcriptase inhibitors
C)Ribozyme inhibitors
D)Protease inhibitors
E)Fusion inhibitors
21

Why is poliovirus able to survive the gastric environment and other harsh conditions?
A)It has a naked capsid.
B)It has a phospholipids envelope.
C)Its capsid is composed of flagellin protein.
D)It is a dsDNA virus.
E)It is a segmented ssRNA virus.
22

Poliovirus has an affinity for what body system?
A)Gastrointestinal system
B)Nervous system
C)Genitourinary system
D)Circulatory system
E)Reticuloendothelial system
23

How is hepatitis A transmitted?
A)Respiratory droplets
B)Fomites
C)Sexually transmitted
D)Fecal-oral route
E)Bite of an infected vector
24

Colds can be caused by all but which of the following viruses?
A)Rhinovirus
B)Coronavirus
C)Adenovirus
D)Retrovirus
E)Paramyxovirus
25

Which is not a property of the agents of spongiform encephalopathies?
A)Present virus morphology in electron microscopy of infected brain cells
B)Proteinaceous in nature
C)Very resistant to chemicals, radiation, and heat
D)Not integrated into nucleic acid of infected host cells
E)Transmitted only by intimate contact with infected tissues and secretions





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