Immune Cells
Which cell does not use a perforin "gun" to kill cells?
a) NK b) killer T
c) helper T
c) helper T
a) Adenovirus b) HIV
c) Herpes d) polio
b) HIV
How many segments are in its genome?
a) 1 b) 2
c) 4 d) 8
d) 8
Polio has an IRES. What is the IRES made of?
a) proteins b) glycoproteins
c) RNA d) DNA
c) RNA
Which came first, the electron microscope or the PCR test?
electron microscope
What does "macrophage" mean?
a) big eater b) big cell
c) virus eater d) bacteria eater
a) big eater
True or False? All viruses hi-jack the motor protein transport system to get things moved around.
True
Hair-pinning is a process that influenza uses during:
a) attachment b) entry
c) replication d) exit
b) entry
a) skin b) gut
c) nerve cells d) lungs
b) gut
Which of these was the first test to be used to detect the presence of viruses?
a) plaque assay b) PCR
c) electron microscopy d) hemagglutination
a) plaque assay
Which of these is NOT a virus sensor?
a) TLR3 b) IFN
c) RIG-1 d) MDA5
b) IFN (abbreviation for interferon)
What virus uses mutations in its capsid protein to confuse the immune cells and make it hard for them to recognize it?
a) adenovirus b) polio
c) HIV d) influenza
b) polio
Where does influenza replicate its genome?
a) cytosol b) nucleus
c) ribosomes d) ER
b) nucleus
What type of genome does polio have?
a) RNA (+) b) RNA (-)
c) dsDNA d) dsRNA
a) RNA (+)
Jonas Salk was the only person to invent a vaccine for polio.
False. Albert Sabin came up with another vaccine.
Which of these is NOT part of the innate (non-specific) immune system?
a) B cells c) NK cells
b) physical barriers d) sensors
a) B cells
Who is famous for "cap-snatching"?
a) polio b) HIV
c) influenza d) herpes
c) influenza
What type of genome does influenza have?
a) dsDNA b) RNA (+)
c) RNA (-) d) dsRNA
c) RNA (-)
Does polio virus have an envelope?
a) yes b) no
b) no
Which of these viruses has been eliminated entirely as far as we know?
a) polio b) chickenpox
c) measles d) smallpox
d) smallpox
Which cell eats anything tagged with antibodies?
a) T cells b) B cells
c) NK cells d) macrophages
d) macrophages
a) smallpox b) chickenpox
b) polio d) influenza
a) smallpox
Which of influenza's proteins acts like a scissor?
a) neuraminidase b) NS1
b) hemagglutinin d) NEP
a) neuraminidase
What does polio steal from cells and use as a construction material for its replication sites?
a) MHC-1 b) RIG-1
c) interferon d) TLR-3
d) TLR-3
a) the invention of antibiotic pills
b) better prevention of bacterial infections
c) new bacteria that were immune to phages
a) the invention of antibiotic pills