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Micro Quiz 4
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Questions in this quiz (52)
1 The waterproofing protein in the skin is called
- ADermicidin
- BKeratin
- CMelanin
- DLysozyme
2The types of gram-positive cocci that make up the skin’s normal microbiota are
- AStaphylococci and micrococci
- BStaphylococci and streptococci
- CMicrococci and streptococci
- DStreptococci and enterococci
3 Which of these organisms is a diphtheroid that inhabits hair follicles?
- APropionibacterium acnes
- BMalassezia furfur
- CStreptococcus pyogenes
- DStaphylococcus aureus
4What protective substance(s) of the skin is/are capable of breaking down the cell walls of certain bacteria?
- APerspiration
- BAntimicrobial peptides
- CSebum
- DLysozyme
5Which of the following is thought to be responsible for causing dandruff?
- AMalassezia furfur
- BPropionibacterium acnes
- CStaphylococcus aureus
- DStaphylococcus epidermidis
6 What is the MOST common bacterial cause of conjunctivitis?
- ANeisseria gonorrhoeae
- BChlamydia trachomatis
- CHaemophilus influenza
- DStreptococcus pyogenes
7Which disease is thought to be the MOST common cause of infectious blindness in the United States?
- AHerpetic keratitis
- BTrachoma
- CAcanthamoeba keratitis
- DInclusion conjunctivitis
8 Ophthalmia neonatorum is caused by
- ANeisseria gonorrhoeae
- BPseudomonas aeruginosa
- CHaemophilus influenza
- DAcanthamoeba
9Using a homemade saline solution for contact lenses can result in
- AAcanthamoeba keratitis
- BTrachoma
- COpthalmia neonatorum
- DInclusion conjunctivitis
10Which disease was probably the FIRST documented connection between a microscopic microorganism and a disease in humans?
- AScabies
- BPediculosis
- CCandidiasis
- DSporotrichosis
11 In the brain, cerebrospinal fluid flows through the
- ADura mater
- BSubarachnoid space
- CArachnoid mater
- DPia mater
12What is the order of the layer of meninges from the innermost to the outermost?
- AArachnoid mater, dura mater, pia mater
- BDura mater, arachnoid mater, pia mater
- CPia mater, dura mater, arachnoid mater
- DPia mater, arachnoid mater, dura mater
13Inflammation of the brain is called
- AMeningitis
- BEncephalitis
- CNeuritis
- DHydrocephalus
14Drugs can cross the blood-brain barrier ONLY if they are
- ALarge-molecular-weight molecules
- BSmall-molecular-weight molecules
- CWater-soluble
- DLipid-soluble
15 In the United States, the MOST common cause of rabies in humans is from
- ARaccoons
- Bsilver-haired bats
- CDogs
- DHoney badgers
16Which type of arboviral encephalitis was introduced to the United States in 19999 and is maintained in a bird-mosquito-bird cycle?
- AEastern equine encephalitis
- BJapanese encephalitis
- CWest Nile virus
- DCalifornia encephalitis
17Which disease is transmitted via ingestion of contaminated water and can cause paralysis?
- ARabies
- BJapanese encephalitis
- CWest Nile encephalitis
- DPolio
18To sterilize instruments contaminated with prions, you should use
- ADry heat
- BRoutine autoclaving
- CUV light
- DA strong solution of sodium hydroxide
19A prion is a(n)
- AAbnormally folded protein
- BProtein subunit
- CForm of a bacterium
- DViral particle
20Which bacterium is known to cause stillbirth and neurological disease in animals?
- AListeria monocytogenes
- BStreptococcus pneumoniae
- CClostridium botulinum
- DHaemophilus influenza
21The causative agent of plague is
- AFrancisella tularensis
- BYersinia pestis
- CBorrelia burgdorferi
- DRickettsia prowazekii
22Which stage of the Plasmodium protozoan infects the red blood cells of humans?
- ASchizont
- BMerozoite
- CSporozoite
- DGametocyte
23The MOST dangerous form of malaria is caused by
- APlasmodium ovale
- BPlasmodium malariae
- CPlasmodium falciparum
- DPlasmodium vivax
24 Clostridium perfringens is the cause of
- AGas gangrene
- BPuerperal sepsis
- CBrucellosis
- DRat-bite fever
25A bull’s eye rash is a common symptom of which disease?
- AEpidemic typhus
- BLyme disease
- CRocky Mountain spotted fever
- DTularemia
26 Rheumatic fever is an autoimmune complication caused by a ________ infection.
- AStaphylococcus aureus
- BFrancisella tularensis
- CBrucella melitensis
- DStreptococcus pyogenes
27Typhus fever, caused by Rickettsia prowazekii, is transmitted by
- ATicks
- BHuman body lice
- CFleas
- DMites
28Which of the following is NOT transmitted by Aedes mosquitoes?
- AMalaria
- BYellow fever virus
- CDengue fever virus
- DChikungunya virus
29 What is the usual route of transmission for mononucleosis?
- AContaminated blood
- BMosquitoes
- CAerosols
- DTransfer of saliva
30The natural host reservoir for Ebola virus is the
- AFruit bat
- BMosquito
- CFat
- DGreen Monkey
31 Which antibodies in tears, saliva, and mucus help protect mucosal surfaces from many pathogens?
- AIgD
- BIgA
- CIgG
- DIgM
32The most threatening infectious disease of the upper respiratory tract is
- AEpiglottitis
- BPharyngitis
- CLaryngitis
- DSinusitis
33 Which disease forms a tough grayish membrane in the throat?
- AScarlet fever
- BPsittacosis
- CQ fever
- DDiphtheria
34What is the etiological agent for the disease that has catarrhal, paroxysmal, and convalescence stages?
- AHaemophilus influenza
- BStreptococcus pyogenes
- CBurkholderia pseudomallei
- DBordetella pertussis
35Walking pneumonia is caused by
- ALegionella pneumophilia
- BChlamydophila pneumoniae
- CMycoplasma pneumoniae
- DStreptococcus pneumoniae
36 Which of the following is/are NOT considered part of the lower respiratory system?
- ATrachea
- BLarynx
- CPharynx
- DBronchial tubes
37 Which intracellular bacterium is the cause of Q fever?
- ABurkholderia pseudomallei
- BRickettsia rickettsia
- CLegionella pneumophila
- DCoxiella burnetii
38Which disease can be identified by the presence of elementary bodies inside host cells?
- APsittacosis
- BPontiac fever
- CMelioidosis
- DLegionellosis
39Typical pneumonia is caused by which bacterium?
- AHaemophilus influenza
- BStreptococcus pneumoniae
- CMycoplasma pneumoniae
- DLegionella pneumophila
40 Several serious fungal infections affect the lower respiratory system mainly because fungi
- AAre dimorphic
- BAre opportunistic
- CProduce airborne spores
- DProduce toxic proteins
41Which of the following is an accessory structure of the digestive tract?
- APharynx
- BStomach
- CLiver
- DMouth
42Approximately what percentage of the immune system is located in the intestinal tract?
- A20%
- B40%
- C60%
- D80%
43The population of microorganisms in the large intestine is composed mostly of
- AAerobes and anaerobes
- BAnaerobes and facultative anaerobes
- CAerobes and facultative anaerobes
- DAerotolerant anaerobes
44Paneth cells, which are capable of phagocytizing bacteria, are found in the
- ASmall intestine
- BLarge intestine
- CStomach
- DPancreas
45Severe diarrhea accompanied by blood or mucus is called
- AFood poisoning
- BIntoxication
- CGastroenteritis
- DDysentery
46 Bacillary dysentery is caused by
- AStaphylococcus
- BShigella
- CSalmonella
- DClostridium
47Pinworm disease is caused by
- ATaenia solium
- BEchinococcus granulosus
- CNecator americanus
- DEnterobius vermicularis
48 The portal of entry for the larvae of hookworms is the
- ASkin
- BMouth
- CBlood
- DLymph
49 It is quite common to ingest aflatoxin when one eats
- AFruit
- BMeat
- CPeauts
- DCheese
50 The treatment for viral gastroenteritis, such as norovirus or rotavirus, is usually
- AAntitoxins
- BOral rehydration
- CAntibiotics
- DAntiviral agents
51Which form of hepatitis kills more people in the US than AIDS_
- AHepatitis A
- BHepatitis B
- CHepatitis C
- DHepatitis E
52In 20-40% of men past puberty, the mumps virus can cause
- AOrchitis
- BLiver damage
- CFever
- DDeath
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- Description
- Quiz on Micro Quiz 4 , created by Jill Ly on 02/04/2018.
- Author
- Jill Ly
- Language
- English
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