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Micro Flashcards

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1
Q

Name the naked virus families

A

Papillomavirus, adenovirus, picornovirus, polymovirus, calcivirus, parvovirus, reovirus, hepevirus

Give PAPP smears and CPR to a naked HEPPY

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2
Q

Name the DNA viruses

A

Hepadna, Herpes, Adeno, Pox, Parvo, Papilloma, Polyoma

HHAPPPPy

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3
Q

Name the segmented viral familes

A

Bunya, orthomyoxo, arena, reo

BOAR

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4
Q

What are the 2 members of the polyomarvirus family?

A

JC virus and BK virus

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5
Q

Pox virus family members

A

Smallpox, vaccinia, molluscum contagiousum

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6
Q

Reovirus family members

A

rotavirus and coltivirus (colorado tick fever)

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7
Q

Picornoavirus family members

A

Polio virus, echovirus, rhinovirus, Coxsackie virus, HAV

PERCH

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8
Q

Hepevirus family members

A

HEV

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9
Q

Calcivirus family member

A

Norovirus

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10
Q

Flavivirus family members

A

HCV, yellow fever, dengue, st louis encephalitis, WNV

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11
Q

Retrovirus family members

A

HTLV and HIV (reverse transcriptase)

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12
Q

Togavirus family members

A

Rubella, eastern and western equine encephalitis

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13
Q

Orthomyxovirus family member

A

influenza

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14
Q

Paramyxovirus family members

A

Parainfluenza, RSV (ribavirin), Measles, mumps

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15
Q

Rhabdovirus

A

Rabies

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16
Q

Filoviridae

A

Ebola

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17
Q

Arenavirus

A

LCMB/Lassa fever

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18
Q

Bunyavirus

A

rift valley fever, california encephalitis, hanta virus

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19
Q

Obligate aerobes

A

Nocardia, Pseudomonas, Mycobacterium, Bacillus

Nagging Pests Must Breath

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20
Q

Obligate anaerobes

A

Clostridium, Bacteroides, actinomyces

Anaerobes Can’t Breath Air

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21
Q

Intracellular

A

Rickettsia, chlamydia

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22
Q

Facultatively intracellular

Study These Flashcards
A

Salmonella, Niesierria, Brucella, Mycobacterium, Listeria, Francisella, Legionella, Yersinia

Some Nasty Bugs May Live Facultatively

23
Q

Encapsulated

Study These Flashcards
A

S. Pneumo, H flu, Niessieria, E coli, Salmonella, Klebsiella, Group B strep

SHiNE SKiS

24
Q

Giemsa stain

Study These Flashcards
A

Chlamydia, Boreelia, Rickettsia, trypanosomal, plasmodium

Certain Bugs Really Try my Patience

25
Catalase +
Pseuda, listeria, aspergillus, candida, E coli, S aureus, serratia You need PLACESS for your cats
26
Which staph are novobiocin resistant and which are sensitive?
Saprophyticus is resistant, Epidermis is sensitive On the office's staph retreat, there was NO S(aprophyticus)tRE(pi)Ss
27
Which of the streptococci are optochin sensitive/resistant?
Optochin -- Viridans is Resistant; Pneumonia is Sensitive OVRPS
28
Which of the streptococci are bacitracin sensitive/resistant?
Bacitracin -- group B strep are Resistant; group A strep are Sensitive B-BRAS
29
unpasteurized dairy, undulating fevers, caseating granulomas
Brucella -- gram - coccobacilli, facultatively intracellular Doxy + gent
30
lymphadenopathy w/ skin ulcers w/ black base or pneumonia/ocular involvement, history of rabbit contact
Francisella -- Gram - and requires cysteine for growth transmitted by tick bites
31
LAD w/ cellulitis following cat/dog bite
Pasteurella -- gram negative coccobacilli w/ bipolar staining, oxidase +, catalase + Can also cause osteomyelelitis treat with penicillin G
32
RNA viruses that replicated in the nucleus
Orthomyoxovirus, HIV
33
DNA virus that replicates in the cytoplasm
Poxvirus
34
Normal steps in DNA virus replication
In nucleus DNA genome is transcribed with DNA dependented RNA polymerase, and these RNA transcripts will go on to make proteins needed for viral replication genome will be copied with DNA dependent DNA polymerase from host cell.
35
flu like symtpoms w/ jaundice/photophobia
Leptospira interrogans -- spirochete, spread through animal urine. Prevalent w/ surfers and in tropics Can cause Weil's disease = vasculitis w/ hemorrhage, kidney damage, and liver damage -- due to immune response
36
bird shop owner w/ headache, fever, cough + sore throat and muscle aches. CXR w/ patchy pneumonitis
C. psittaci -- has same life cycle as C. trachomatis visualize with Giemsa stain
37
cattle farmer w/ pneumonia and - weil felix reaction. Patient does not have rash.
Coxiella burnettie (q fever)
38
C. trachomatis serotypes A-C D-K L1,L2, L3
``` A-C = blindness due to follicular conjunctivitis in Africa D-K = Urethritis/PID, neonatal PNA/conjunctivitis L1,L2,L3 = Lymphogranuloma venereum = regional LA that can drain pus, follows papule appearance ```
39
blocks peptidyltransferase at 50s ribosomal subunit
Chloramphenicol
40
Blocks peptide transfer at 50s ribosomal subunit
Clindamycin
41
Blocks formation of initation complex and causes misreading of mRNA (30s)
Aminoglycosides (gent, neo, amikacin, tobra, strepto)
42
bind to 30s and prevent attachment of aminoacyl-tRNA
tetracyclines
43
block translocaiton, bind to the 23s rRNA of the 50S ribosomal subunit
Macrolides (azithro, clarithro, erythro)
44
two protazoa that can cause terrible diarrhea in immunocompromised individuals and have cysts that stain acid fast
Crypto and Isospora belli
45
This organisms is often associated with contact lens related eye infections
Acanthamoeba (causes intractable ulcerative keratitis)
46
Which organism is responsible for causing ulcerating granulomata of the genital skin and mucous membranes? Often associated with travel to New Guinea.
Calymmatobacterium donovani -- biopsy will show macrophages with Donovan bodies (small round coccobacilli within cystic areas of the cytoplasm)
47
What are transposons?
"Jumping genes" -- segments of DNA capable of movement from one location to another inside a cell. They are flanked by indirect repeats -- sequences that are complementary and antiparallel to one another. Within these sequences are the coding for the enzymes that mediate the movement -- transposase genes.
48
First generation cephalosporins
Have a PH in their name, except for cefazolin Cephalothin, cephapirin, cephradine, cephalexin
49
Second generation cephalosporins Which ones cover anaerobes
Have fam, fa, fur, fox, or tea in their names cefamandole, cefaclor, cefuroxime, cefoxitin, cefotetan cefoxitin, cefmetazole, cefotetan (a fox who met an anaerobe for tea)
50
Third generation cephalosporins
have a T for tri Ceftraixone, ceftazidime, cefotaxime, ceftizoxime, ceftibuten
51
How do enterococci become resistant to aminoglycosides?
They have aminoglycoside modifying enzymes that transfer different chemical groups (like acetyl groups, adenyl groups, and phosphate groups) to the aminoglycosides outside of the bacterium, thereby decreasing the ability of the drugs to bind to ribosomes.
52
When two different viruses infect a cell they can exchange information. How does this differ for segmented genome viruses vs. dsDNA genomes?
Recombination: exchange of genes between 2 c-somes by crossing over within regions of signifcant base sequence homology Reassortment: when viruses with segmented genomes exchange segments. High frequency recombination occurs and can cause pandemics.
53
Which family of DNA viruses gets its envelope from budding through the host nuclear membrane?
Hepersviruses
54
How does congenital syphilis infection cause the saber shin deformity?
spirochetes localize to the periosterum, where they produce an active inflammation w/ many plasma cells, causing a reactive periosteal deposition of bone on medial and anterior surface of the tibia.

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