Quiz
Week 2 - Bacteria, Viruses & Eukaryotes
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Perguntas do quiz (46)
1An E. coli bacterium is bigger than a red blood cell.
- AVerdadeiro
- BFalso
2The main components of the viral structure are... (Check all that apply).
- AEnvelope
- BSpikes
- CNucleic Acid
- DCytoplasm
- EViral Proteins
- FCapsid
3Glycoprotein spikes define whether a virus can infect a host cell.
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- BFalso
4All viruses have a viral capsid.
- AVerdadeiro
- BFalso
5What type of viral structure contains a "head"?
- ACapsomere
- BAdenovirus
- CBacteriophage
- DAny RNA virus
6The nucleic acid in HIV is DNA.
- AVerdadeiro
- BFalso
7The three main viral proteins in HIV are...
- AIntegrase, Transcriptase, Protease
- BRNA, Capsid, Reverse Transcriptase
- CIntegrase, Reverse Transcriptase, Protease
8The order of viral replication is attachment, penetration, assembly, synthesis and release.
- AVerdadeiro
- BFalso
9The synthesis stage of viral replication consists of ...
- AMaking new viral particles.
- BSurrounding the viral particles with a capsid.
- CReplicating proteins.
- DCreating new viral envelopes.
10Transcription is the step in which RNA is turned into proteins.
- AVerdadeiro
- BFalso
11Which type of viral infection is considered to be the most harmful?
- AChronic infection
- BLatent infection
- CPersistent infection
- DLytic infection
12In what type of infection does the host cell survive? (Select all that apply).
- ALytic infection
- BPersistent infection
- CLatent infection
13It is difficult for antiviral drugs to target only viral machinery because...
- ATheir glycoprotein spikes prevent entry of antivirals.
- BBoth viruses and people have nucleic acid.
- CViruses can shed their envelope in order to trick antivirals into thinking they are human cells.
14The arguments against viruses being alive are that... (check all that apply)
- AThey are acellular.
- BThey do not have their own metabolism.
- CThey cannot replicate on their own.
- DThey cannot evolve.
- EThey do not contain genetic material.
15Arguments that suggest viruses are alive: (check all that apply)
- AViruses replicate.
- BViruses evolve.
- CViruses have genetic material.
16In what type of viral infection is there an acute spike in viral titre followed by a latent period follow by an acute spike in viral titre again.
- AAcute infection
- BLatent infection
- CChronic infection
17An example of a chronic infection is....
- AHepatitis A
- BHepatitis B
- CHerpes Simplex
- DVaricella-zoster
18The manifestation of the [blank_start]varicella zoster[blank_end] virus when it is first present is [blank_start]chicken pox[blank_end]. Then, during the latency period, the virus lies dormant in the [blank_start]spinal cord[blank_end]. Once reactivated by some sort of insult, the virus travels through the [blank_start]dorsal root ganglion[blank_end] to a specific [blank_start]dermatome[blank_end] and causes [blank_start]shingles[blank_end].
- Avaricella zoster
- Bchicken pox
- Cspinal cord
- Ddorsal root ganglion
- Edermatome
- Fshingles
19What is true about oncogenic viruses? (Select all that apply).
- AThey inhibit tutor suppression genes.
- BThey inhibit oncogenes.
- CThey can render tumor suppression genes non-functional.
- DAn example of an oncogenic virus is HPV.
20The [blank_start]human papilloma[blank_end] virus has a circular, double-stranded DNA protected by capsid proteins.
- Ahuman papilloma
21More than [blank_start]100[blank_end] HPV-types are known. HP16 and 18 cause [blank_start]70[blank_end]% of all cervical cancers.
- A100
- B70
22When one of the viral proteins of HPV (p53) is present, what happens to cells of the cervix?
- ACervix cells with mutated DNA survive.
- BThe G2 checkpoint is inhibited, and all cells are able to replicate.
- CAll cell growth is halted and the cervical cells undergo lysis.
23[blank_start]Oncolytic[blank_end] viruses can invade tumor cells and cause cell [blank_start]lysis[blank_end] leading to a destruction of tumor microenvironment and a systemic anti-timor immune response.
- AOncolytic
- Blysis
24What is true of bacteria?
- AThey have no nucleus.
- BThey have plasmids.
- CThey are eukaryotes.
- DThey are single cell organisms.
- EThey have both flagella and pili.
- FThey have ribosomes.
25E. coli cells can divide ever [blank_start]20[blank_end] minutes. (Enter numerically).
- A20
26The four steps in the bacterial growth curve are the [blank_start]lag[blank_end] phase, [blank_start]log[blank_end] phase, [blank_start]stationary[blank_end] phase, and [blank_start]decline[blank_end] or [blank_start]death[blank_end].
- Alag
- Blog
- Cstationary
- Ddecline
- Edeath
27Bacteria that can or cannot live inside of a cell are called...
- AObligate intracellular bacteria
- BFacultative intracellular bacteria
- CMigratory intracellular bacteria
- DExtracellular bacteria
28What two diseases are caused by obligate intracellular bacteria?
- ASalmonella and Gonorrhoeae
- BRickets and Cholera
- CE. coli and Salmonella
- DRickets and Chlamydia
29What is Quorom Sensing?
- AIt is a mechanism that limits the amount of antimicrobial that can get into a biofilm.
- BHow bacteria talk to one another.
- CIf a bacteria is alone, it prevents the bacteria from starting a biofilm.
30Spores are metabolically active.
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31Spores are resistant to... (select all that apply)
- ARadiation
- BToxins
- CDisinfectants
- DLack of oxygen
- EDehydration
- FExtreme temperatures
32The disinfectants used to kill off C. difficile spores are [blank_start]chlorine[blank_end] containing things like [blank_start]bleach[blank_end], and [blank_start]sporadical[blank_end].
- Achlorine
- Bbleach
- Csporadical
33The best way to get C. difficile spores off of your hands is by using soap and water.
- AVerdadeiro
- BFalso
34Cocci is another word for rod-shaped, when referring to the shape of bacteria.
- AVerdadeiro
- BFalso
35The shape of staphylococcus aureus bacteria is...
- ACocci
- BBacilli
- CSpirochete
36The shape of Lyme disease bacteria is...
- ACocci
- BBacilli
- CSpirochete
37The shape of E. coli bacteria is ...
- ACocci
- BBacilli
- CSpirochete
38The shape of pneumonia bacteria are...
- ACocci
- BBacilli
- CSpirochete
39Parasites can come in the form of...
- AProkaryotes
- BEukaryotes
- CMulticellular Organisms
- DProtozoa
40What is not true of parasites?
- AThey are divided into unicellular and multicellular organisms.
- BThey have one life stage.
- CThey require asexual and sexual reproduction.
41An intermediate host is one in which...
- AThe parasite undergoes sexual reproduction.
- BThe host harbours the parasite.
- CThe parasite undergoes a developmental stage.
- DThe parasite does not replicate or infect other hosts.
42The PRIMARY difference between biological vectors and mechanical vectors is that...
- ABiological vectors can be definitive or intermediate hosts whereas mechanical vectors are accidental hosts or reservoirs.
- BSome reproduction occurs within biological vectors.
- CBiological vectors cannot fly whereas mechanical vectors can.
- DBiological vectors act as hosts whereas mechanical vectors are not hosts.
43Humans are definitive hosts in which parasitic life cycles
- APubic Lice
- BSchistomiasis
- CStreptococcus
- DMalaria
- ETape Worm
44What is NOT true about the schistosomiasis life cycle?
- AThere are three hosts.
- BMale and female worms pass through the GI tract and go into the water.
- CThey release criteria.
- DThey can cause swimmer's itch.
45In order to get rid of a disease, we have to get rid of the vector.
- AVerdadeiro
- BFalso
46In order for malaria prophylaxis to be effective, you have to take it even after you leave the country in which you were at risk for developing the disease because...
- AThe prophylaxis only targets the blood stage.
- BMalaria parasites are resistant hosts and take lots of time to fully eradicate from the blood system.
- CBecause it targets specific pathways/proteins that live in the bloodstream for a month before dying.
Informações
- Descrição
- Quiz sobre Week 2 - Bacteria, Viruses & Eukaryotes, criado por clare.sheasgreen em 25-01-2016.
- Autor
- clare.sheasgreen
- Idioma
- English
- Visualizações
- 2
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