MICRO RIBS FROM DR. BODETTE Flashcards
Comparison between prokaryotic and eukaryotic cells
- Similarities -
1–_____ as their genetic material
2–Both _______ bound
3– Both have __________
4–Similar basic metabolism
5– Both amazingly diverse in forms `
DNA
membrane
ribosomes
Comparison between prokaryotic and eukaryotic cells
- Differences -
1–Eukaryotes have ___________ (prokaryotes do not)
2– Eukaryotes have membrane-bound __________ (prokaryotes do not)
3– Eukaryotic cells are, on average, ten times the size of prokaryotic cells.
4– The DNA of eukaryotes is much _______ complex and therefore much more extensive (prokaryotes have circular DNA)
nuclei
organelles
more
Comparison between prokaryotic and eukaryotic cells
- Differences -
5–Prokaryotes have a cell wall composed of _________ a single large polymer of amino acids and sugar (Eukaryotic cells also have cell walls, but NONE made of peptidoglycan).
6– The DNA of prokaryotes FLOATS freely around the cell (DNA of eukaryotes is HELD within its nucleus and associated with histones [proteins])
7–Eukaryotes undergo _______; prokaryotes divide by binary fission (simple cell division)
peptidoglycan,
mitosis
Bacteria
1-Prokaryotes
2–Unicellular
3—Cell wall (+)
Bugs: 1) Clostridium \_\_\_\_\_\_(Gram +) 2) Clostridium botulinum (Gram +) 3) Neisseria \_\_\_\_\_\_\_\_\_\_\_ (Gram-) 4) Chlamydia trachomatis (Gram-) 5) Mycobacterium tuberculosis (unable to be stained due to mycolic acid on membrane)
tetani
gonorrhoeae
Virus
1–NEITHER— eukaryotes nor prokaryotes!!
2-__________, obligate intracellular parasites
Bugs: 1) Most common “\_\_\_\_”: rhinovirus (30-50%) 2) Influenza virus \_\_\_ • A) H5N1 (“bird flu”) • B) H1N1 (“swine flu”) 3) Human immunodeficiency virus (type-1 and -2) (lentivirus—type of retrovirus) 4) Herpes simplex virus (HSV-1,2) 5) Varicella zoster virus
Acellular
cold
A
Helminths/Parasites
1-Eukaryotes
2–MULTIcellular
3—Tape worm, trichinosis, hook worm, etc.
Bug … uh, worms:
1) Taenia solium (______tapeworm)
2) Taenia saginata (_______ tapeworm)
3) Ancylostoma duodenale and Necator americanus (hookworms)
4) T. spiralis, T. nativa, etc. (ROUND worms)
pork
beef
Protozoa
1-Eukaryotes
2–UNIcellular
3—Diseases: _______, giardiasis, amoebic dysentery, etc.
Agents:
1) Plasmodium falciparum (vector: Anopheles gambiae)
2) Giardia lamblia
3) Entamoeba histolytica (also sexually transmitted; not to be confused with S. sonnei)
malaria,
Fungi
Eukaryotes
1-Almost entirely multicellular (with yeast being a prominent unicellular fungus)
2–Cell wall (+)
3—Diseases: mycoses: candida, ringworm, _______ ________ = (Tinea pedis), _____ _________ = (Tinea cruris), etc.
ATHLETES FOOT
jock itch
Bacterial Classification:
Four Groups Based on Cell Wall Composition
1-Gram-positive cells: cocci and bacilli
2–Gram-negative cells: cocci and bacilli
3—Bacteria without ____ _____ (e.g., Mycoplasma)
4—-Bacteria with _______ unique cell walls (e.g.,
Mycobacteria, Nocardia, etc. acid-fast stain (+))
cell walls
chemically
THESE ARE KNOWN AS __________ Infections
HSV Type I & II Varicella Zoster CMV HIV EBV Adenovirus TB
Latent
THESE ARE KNOWN AS ______
Herpes Simplex Type II CMV HPV HIV Trichomonas Vaginalis Treponema pallidum Neisseria gonorrheae Chlamydia trachomatis Haemophilus Ducreyii
STDs
THESE CAN CAUSE ________
HSV type II EBV HPV (type 16) Hepatitis B & C Human TLV (HIV) Aspergillus Fumigatus Schistosoma
Tumors
THESE CAN CAUSE _____
E. Coli Proteus Klebsiella Pseudomonas aeruginosa
UTI
THESE CAN CAUSE ________ AND ________
Strep. pneumoniae: very early (months) to very old
Haemophilus influenzae: 6 months to 6 years
Neisseria meningitidis: adolescence to adulthood
(6 to 30 y.o.)
meningitis & positive Quellung reaction
THESE CROSSES THE PLACENTA
- -Rubella
- -CMV
- -____
- -Toxoplasma gondii
- -Listeria
- -_______
HIV
Syphilis
THIS IS A _______ infection
1–STREPTococcus pneumoniae
2–Mycoplasma pneumoniae (atypical pneumonia)
Community
THIS IS A ________ infection
- -E. coli
- -Proteus
- -Klebsiella pneumoniae
- -STAPHylococcus aureus
- -Pseudomonas
- -aeruginosa
Nosocomial
THIS IS AN ________ infection
- –Cryptococcus neoformans (yeast-like fungus)
- Cytomegalovirus (HHV-5)
- -Pneumocystis carinii
- -Cryptosporidium parvum (protozoan)
- -Toxoplasma gondii (protozoan)
- -Histoplasma Capsulatum
- —–HIV——-
- -Candida albicans
- -Kaposi’s Sarcoma
- -Varicella Zoster
- -Mucor & Rhizopus Mycoses
- -Listeria
- -MAIC (mycobacterium)
Opportunistic
THESE TWO CAUSE DIARRHEA:
1–Diarrhea “Montezuma’s revenge” = ________
(most common)
2–Explosive diarrhea = _______ (Gmrods)
E. coli
C. jejuni
THIS CAUSES ____________
- -Enteric fever (S.typhi)
- -Plague (Y. pestis)
- -Cholera (V.cholerae)
- -Leprosy (M. leprae)
Quarantine
Miscellaneous Buzz-words
1–__________ = Staphylococcus aureus
2–_______ _____ or cellulitis = Streptococcus pyogenes
Osteomyelitis
Scarlet fever
Miscellaneous Buzz-words
3–Malignant pustule (eschar) = _____ (Bacillus anthracis)
4–Lock jaw = _____ (Clostridium tetani)
anthrax
tetanus
Miscellaneous Buzz-words
5–_________________ syndrome = meninigiococcemia
6–_________________ syndrome = aspirin with chicken pox (VZV) or influenza (H5N1, H1N1, etc.)
Waterhouse-Friderichsen
Reye’s
Miscellaneous Buzz-words
7–_____ _____ = Clostridium perfringes
8–_____ _____ = Clostridium difficile
Gas gangrene
Pseudomembranous colitis
Miscellaneous Buzz-words
9–____ _____ ____: diphtheriae (Corynebacterium diptheriae; Gm+ facultative aerobe)
10–____ ______ _____: CMV in tissue, Giardia lambia
Chinese-letter arrangement
Owl-eye appearance
Miscellaneous Buzz-words
11–Ashoff bodies in rheumatic fever and Reed Sternberg cells in ______ _______
12–Schick test: in _______
Hodgkin’s lymphoma
diphtheria
Miscellaneous Buzz-words
13–Widal test: in enteric fever of _____
14–Traveler’s diarrhea = ______
typhoid
E. coli
Miscellaneous Buzz-words
15–Swarming growth = ______
16–Diarrhea in _______ in the US = Campylobacter jejuni
proteus
children
Miscellaneous Buzz-words
17.--\_\_\_\_\_\_\_= Treponema pallidum (syphilis) 18---\_\_\_\_\_\_\_ = Haemophilus ducreyi
Chancre
Chancroid
Miscellaneous Buzz-words
19–______ = Treponema cartenum (S. America)
20–Bejel & Yaws: Treponema pallidum and pertenue (____)
Pinta
Africa
Miscellaneous Buzz-words
21–____ _______ ________= Yersinia pestis
(black death)
22–_____ _______ _______ = of the media: Mycoplasma pneumoniae
Safety-pin appearance
Fried-egg shape
Miscellaneous Buzz-words
23–Facial Bell’s palsy: with second stage of ____ disease
24–Lymphogranuloma venereum disease; by _______
trachomatis
Lyme
Chlamydia
Miscellaneous Buzz-words
25--\_\_\_\_\_\_ = German measles (togavirus) 26--\_\_\_\_\_\_\_ = (Koplik’s spot): measles (paramyxovirus)
Rubella
Rubeola
Miscellaneous Buzz-words
27–_____ ______ & herpetic whitlow
= herpes simplex type I
28–Varicella = ________ ________ (VZV)
Cold sores
chicken pox
“I WANT TO CELLA SOME CHICKEN!!”
Miscellaneous Buzz-words
29–Variola = ____ _____(orthopoxvirus)
30–Molluscum contagiosum: by poxvirus
smallpox
Miscellaneous Buzz-words
31–Condylomata acuminatum: HPV
32–Fifth disease (erythema infectiosum)
= “(_______ __________”): Parvovirus B19
=slapped-cheek
Miscellaneous Buzz-words
33--\_\_\_\_\_\_\_\_ = mumps 34--\_\_\_\_\_\_\_\_ = parainfluenza virus
Parotitis
Croup
Miscellaneous Buzz-words
35–_________ = respiratory syncytial virus (paramyxovirus)
36–_____ _________ = Rabies (lyssavirus)
Bronchiolitis
Negri bodies
Miscellaneous Buzz-words
37–Polio vaccine: =
_____ (killed),
and
______ (live-attenuated)
=Salk
Sabin
Miscellaneous Buzz-words
38–__________ (hand-foot-mouth disease)
= Coxsackie type I
Herpengina
Miscellaneous Buzz-words
39–Pleurodynia and myocarditis = Coxsackie type II
40–Infantile diarrhea = ______ virus
ECHO
Miscellaneous Buzz-words
41–Gastro-enteritis in young children = ___________
42–Common cold = ________
ROTAvirus
Rhinovirus
Miscellaneous Buzz-words
43–Hepatitis __ virus: MC type that causes hepatitis,
oral-fecal transmission
44–____ ____ disease: unconventional protein (prion)
A
Mad cow
Miscellaneous Buzz-words
45–______=: Candida albicans fungus
46–_________ (liver cancer) = Asperigillus flavus fungus
Thrush
Aflatoxin
Miscellaneous Buzz-words—LAST TWO
47–Hepatitis ___ = SSRNA
48–Hepatitis ___ = DSRNA
A …..”A IS A NAZI!…SSrna
B ….”B IS A DIPSHIT!!….DSrna
Bacteria cell wall X 2
1—-Gram _____________ =
- -PeptiDOGlycan [protein, thick layer: 60-100%]
- -EXOtoxin [make toxiod vaccine] = toxin released
positive
…..”GOOD DOG”!!
“STAY OUTSIDE”…….EXO
Bacteria cell wall
2—Gram ______________=
- -LIPOpolysaccharide [fat] (thin layer of peptidoglycan: 5-10%)
- -ENDOtoxins [no toxoid] = INSIDE cell wall
***DDX Staph Vs Strep = CATALASE
negative
“HAVING — LIPO— CUZ I FEEL……NEGATIVE”
“I’LL STAY INSIDE”—ENDO
2 TYPES OF Gram positive cocci
1–______ _________—-Boils (Furncules), pus, Osteomyelitis, abscess,Toxic shock syndrome & Food poisoning
2–_____ __________—-Cellulitis, lymphangitis, tonsillitis
Rheumatic fever, acute glomerulonephritis
Staph. aureus
EX. Catalase positive, Mannitol salt agar,
Cluster grape-shape & Golden yellow colonies
Strep. pyogenes
EX.. In a chain, Group A betahemolytic
(complete hemolysis)
Organism = Neisseria gonorrheae Features = Ferments glucose, Thayer-Martin chocolate agar Disease = \_\_\_\_\_\_\_\_
STD
Organism =Neisseria meningitidis Features = Ferments glucose and maltose;Polysaccharide capsule Disease =\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_
Meningitis, meningiococcemia
Gram Positive Bacilli = rods
1–Organism = B. anthracis
Notes = from soil [woolsorters]
Disease =_________________
Anthrax
Gram Positive Bacilli = rods
2–Organism = C. botulinum
Notes = Flaccid paralysis = blocks release acetylcholine
Disease =_________________
Botulism
Gram Positive Bacilli = rods
3–Organism = C. tetani
Notes = Spastic paralysis = inhibits inhibitory transmitter (glycine)
Disease =_________________
Tetanus [lock jaw]
Gram Positive Bacilli = rods
4–Organism = C. perfringens
Notes = Bubbles under skin with alpha-toxin
Disease =_________________
Gas gangrene
Gram Positive Bacilli = rods
5–Organism = C. dificile
Notes =
Disease =_________________
Pseudomembranous colitis
Gram Positive Bacilli = rods
6 OF 6–Organism = Corynebacterium diphtheriae
Notes = Schick test
Disease =_________________
diphtheria
Spirochetes X 5
1–Organism =Treponema palliDUM
Disease =_____________
Notes = Dark field microscopy
2–Organism =Treponema pertenUE
Disease =_____________
Notes = Non-venereal disease
Syphilis (STD) “SYPHILILS IS DUM”
Yaws “UE ARE BORING” (YAWN…GET IT??)
Spirochetes X 5
3–Organism =Borrelia recurrentis
Disease =_____________
Notes = Ticks/lice
4–Organism =Borrelia BURGdorferi
Disease =_____________
Notes = Bulls eye lesion, Deer tick
Relapsing fever
Lyme…..I’LL HAVE A BURGER WITH LYME SAUCE!
Spirochetes X 5
5 OF 5 –Organism =Leptospira
Disease =_____________
Notes = Zoonosis (rat-urine)
Weil’s disease …..”WEIL SMELLS LIKE RAT PISS”
Chlamydial disease X 2
1–___________ = PSITTacosis [parrots & other birds]
2–C. Trachomatis:= lymphogranuloma venereum
STD: Non-gonococcal, UTI, PID, trachoma,
Reiter’s syndrome
C. Psittaci:
“C THE BIRDS SITT!”
Gram Negative bacilli X 7
1–Organism=___________
Disease =UTI, traveler’s diarrhea
Notes= nosocomial infection
2–Organism=___________
Disease= Typhoid fever MCC
Notes= NONE
E. Coli
Salmonella
Gram Negative bacilli X 7
3–Organism=V. cholera
Disease= __________
Notes= Rice water stool
4–Organism=F. TULarensis
Disease= _________
Notes= Contact with WILD animal
Cholera
tularemia….THIS WILD ANIMAL IS A TUL!!
Gram Negative bacilli X 7
5–Organism=Yersenia pestis
Disease =_____________
Notes= Bubonic, black death
6—-Organism=Pseudomonas aeroginosa
Disease =_____________
Notes= Blue green pus In burns, cystic fibrosis
plague
pneumonia
Gram Negative bacilli X 7
7 OF 7–Organism=Haemophilus influenzae
Disease =_____________
Notes= NONE
Meningitis (6 month-6years)
Fungal disease X 5
1–Organism =Histoplasma capsulatum
Disease=Histoplasmosis
Notes=LUNG, lymphadenopathy
2–Organism =Aspergillus fumigatus
Disease=Aspergillosis
Notes= LUNG, hematogenous
3–Organism =C. immitis
Disease=____________________
Notes=San Joaquin or Valley Fever, sporaden dust
Coccidiodomycoses
Fungal disease X 5
4–Organism =Cryptococcus neoformans
Disease=Meningitis
Notes= NONE
5 OF 5–Organism =Candida albicans
Disease=Candidiasis
Notes=Children = _________
thrush
Immunity X 4
- _____ = Mucous membrane GI tract, Respiratory system = secretion
- ____ = Crosses placenta, secondary immune (old or vaccinated) = Baby carry mothers IgG for 6 months
IgA
IgG
………..”GEEEE…I MADE A BABY!”
Immunity X 4
- ____ = Heavy molecular weight, primary response (acute)
- ____= Allergy type 1
IgM
IgE
” E FOR allergEEEEEE”
Hypersensitivity x 4
Type I, immediate or anaphylactic—- ____ = Bee sting, asthma, allergic rhinitis.
Type II, cytotoxic—- _____________ = Apoptosis = I cell death Blood transfusion reaction, Good Pasture’s syndrome Rheumatic fever
IgE
IgM, IgG, Complements
Hypersensitivity x 4
Type III, immune complex—_____________ = RA, SLE, glomerulonephritis
Type IV, delayed onset—_____ = TB, tissue transplant
Contact dermatitis
IgM, IgG, Complements
T-cells