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Microbiology Exam 1 > Questions > Flashcards

Questions Flashcards

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1
Q

What is found in the cell membrane?

A

Ergosterol

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2
Q

How would you treat an infection of herpes labiales?

A

-acyclovir
(Acyclovir, and valcyclovir)

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3
Q

A patient has ABPD (allergic bronchopulmonary aspergillosis), what is a prior condition they had to make them more susceptible to this disease?

A

Asthma

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4
Q

The patient lives in San Joaquin valley, and has night sweats and fever, a tissue sample is observed, what do you expect to find in the microscope?(referring to coccidiodes)

A

Spherules

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5
Q

You enucleate a cell and insert an RNA virus, without Reverse transcriptase, what do you expect to find?

A

Completed, new synthesized virions

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6
Q

SARS1, what animal is a reservoir?

A

Civet

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7
Q

A picture of a cold sore, what would you treat this patient with?

A

Docosonal

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8
Q

Which organism is likely causing this patient symptoms? Picture of hard palate with black ulcer
A. Rhizopus arrhizus
B. Asperigilus fungus
C. Candida albicans
D. Blastomhyces dermatitis

A

Rhizopus arrhizus

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9
Q

Patient is HIV positive, what are the guidelines to start ART therapy?

A

ASAP

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10
Q

Which is a TORCH organism and causes mononucleosis?

A

CMV

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11
Q

If a child has dry cough, grain of salt on a halo (measles), what is the most likely cause of death?

A

Pneumonia

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12
Q

Which characteristic of virus is highly prone to mutation?
A. Helical capsid
B. Naked virus
C. Envelope virus
D. RNA genome

A

RNA genome

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13
Q

what is the most common viral oral infection?

A

HSV-1

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14
Q

When considering hepatitis, what statement is true?

A

Both Hep B & C can cause hepatocellualr carcinoma

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15
Q

what is true regarding a pro-drugs?

A

require a virally encoded enzyme to activate

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16
Q

Patient lives in San Joaquin Noah valley, cough, fever, night sweats, what would lung biopsy be?
A. Spherules
B. Intracellular yeasts
C. Coenocytic hyphae branching at 90 degrees
D. Hyphae w/ frequent septal branching 45 degrees

A

Spherules

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17
Q

Describes mumps. What is not a test from mumps( diagnosis)?

A

LFA

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18
Q

What complication is patient at greatest risk dying from? Dry cough, little red halo inside buccal mucosa?
A. Encephalitis
B. SSPE
C. Pneumonia
D. Diarrhea

A

SSPE
SSPE = complication for measles = fatal, neurological disorder
Encephalitis = in adults
Pneumonia = in children
Diarrhea

ottis media is also a complication of measles

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19
Q

How is adenovirus transmitted?
A) Swimming pool
B) Fecal- oral
c)Fomites
d) aerosol spray

A

All of the above

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20
Q

Which is the greatest risk of injury from percutaneous infection?

A

HBV

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21
Q

Group of viruses that cause 50% of all colds

A

Rhinovirus

22
Q

Which virus only produces an acute infection?
A. HIV
B. Hep c
C. Human Papilloma
D. Hep A
E. CMV

A

Hep a
Considered an infectioius hepatitis

if question asked what virus is chronic = HIV

23
Q

Which is not a test for MUMPS?

A

LFA

Test include:
RT-PCR: )(w/n 3 days)
ELISA: IgM (>3 days of symptoms)

24
Q

She test positive for HCV using serological test. What treat is used for definite diagnosis of HCV?

A

RT-PCR

Overall test include:
-ELISA/LFA = serology
-RT-PCR = confirm

HIV DIAGNOSIS
1st: presumptive test
-elisa = p24 & antibodies to HIV against gp160
2nd: confirmation
-ELISA : b/w HIV-1/-2
-RT-PCR: only if ELISA is negative

25
Q

Teratogen spreads via

A

Placenta

T:
O: OTHER:
R: RUBELLA
C: CMV
H: HERPES

26
Q

Which pathogen can survive fusion of phagosome with lysosome after being engulfed to be able to live intracellulary?

A

Histoplasma capsulatum

27
Q

Which techniques is useful to identify and detect quantitation of virus specific antibodies and of you have immunity to the virus?
A. Western bolt
B. Neutralization assay
C. PCR
D. ELISA

A

Neutralization assay

28
Q

Which techniques is useful to identify and detect quantitation of virus specific antibodies and of you have immunity to the virus?
A. Western bolt
B. Neutralization assay
C. PCR
D. ELISA

A

Neutralization assay

29
Q

Which uses a nerve ganglia for latent infection?

A

HSV-1: trigeminal ganglia
HSV-2: Sacral ganglia
HSV-3 (VZV): Sensory ganglia

30
Q

Identify the fungal pathogen in KOH solution you grew were aseptate w/ numerous sporangia?
A. Ascomycota
B. Basidiomycota
C. Zygomycota
D. Deuteromycota

A

ZYGOMYCOTA

31
Q

Which is a noncytopathic effect of viral pathogenesis?
A.Transformation
B. Inclusion bodies
C. Syncytia formation
D. Apoptosis

A

Transformation

32
Q

Which fungus is the main virulence factor of a capsule?
A. Coccidioided
B. Candida
C. Malassezia
D. Epidermophytan
E. Cryptococcus

A

Cryptococcus

33
Q

In yeast, what mating type must “a” mate w/ to successfully reproduce?
-alpha
-minus
-x
-a
-plus

A

Alpha

34
Q

you have a faint rash, can cross placenta and cause damage to eyes and ears?

A

Rubella

35
Q

Which vaccine has a protectionist against diarrheal disease?
A. Rotavirus
B. Norovirus
C. Mumps
D. Adenovirus

A

Rotavirus
-preventative vaccine
Rotarix = 2,4 moa
RotaTeq = 2, 4, 6 moa

36
Q

Describe condition with EBV, then asked what is the a way to test for this virus?

A

Heterophile Test

37
Q

which step with ion blockers such as ramantidine block in viral replication?

A

Uncoating

38
Q

which step with ion blockers such as ramantidine block in viral replication?

A

Uncoating

39
Q

What viral genome serves as a template to be translated by a ribosome?
DsDNA
ssRNA (-)
SsDNA (+)
SsRNA (+)
SsDNA (-)

A

RNAss (+)

40
Q

Showed a pic of hard palette with rash on just one side, what virus?

A

sHINGLES

41
Q

A fungal telemorph is
-sexual reproduction form
-form typically used for colonization
-dormant form
-type of vegetative hyphae
-form dependent dna polymerase

A

Sexual reproductive form

looks up anamorph

42
Q

Reverse transcriptase is a what type of polymerase

A

RNA- DEPENDENT DNA POLYMERASE

43
Q

Which virus can undergo reassortment ?

A

Influenza

44
Q

Which is nucleoside/nucleotide inhibit inhibitor of DNA polymerase?
Acyclovir
Interferon alpha
Oseltamivir
Raltegravir
Palivizubab

A

Acyclovir

45
Q

Which disease is latent in monocytes?

A

CMV

46
Q

A person has herpes in his mouth then he touches his eyes what disease?

A

Herpes keratitis

47
Q

White lateral lesions on the tongue that you can scape off?

A

Pseudomembranous candidiasis (fungal infection)

48
Q

Crypto bacteria transmission ?

A

Geophilic

49
Q

Ring worm on someone’s cheek. What disease?

A

Tinas facilias

50
Q

Which virus are dentists at the least risk of contracting percutaneously?
-HIV
-HBV
-HAV
-all of them are at risk

A

All of them are at risk

Microbiology Exam 1 (16 decks)

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