Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards
share
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Step 1 10.24.12

Microbiology IX

QuestionAnswer
What happens with the chances of non Hodgkin's lymphoma in CD$ count in HIV? lower CD4 = higher NHL
What would histoplasma capsulatum cause in an AIDS Pt? low grade fevers, cough, hepatosplenomegaly, tongue ulcer
What labs might be seen with histoplasma capusulatum in an ADIS pt? What CD4 level oval yeasts within macrophages, CD<100
What might candida albicans cause in an AIDS pt? fluffy white cottage cheese lesions (thrush)
What labs migth be seen in a C. albincans in an AIDS pt? What CD4 level? pseudohyphae, commonly oral if CD4<400, esophageal if CD4<100
What sx might be caused by an infection of bartonella henselae in an AIDS pt? bacillary angiomatosis. superficial vascular proliferation with neutrophilica inflammation
What might be seen in an AIDS pt infected with JC virus? What CD4 level? PML. encephalopathy due to demyelination. CD <200
What sx and labs might be seen in an AIDS pt with cryptosporidium? CD4 level? acid fast cysts in stool. CD4 <200. chronic, watery diarrhea
What Sx and labs might be seen in an AIDS pt with toxoplasma gondii? CD4 level? neurologic absesses, many ring enhancing lesions . CD4<100
What Sx and labs are seen in an AIDS pt infected with cryptococcus neoforman? CD4 level? meningitis (maybe encephalitis), india ink stain reveals narrow based budding and large capsule. CD4<50
What mgiht be seen in an AIDS pt infected with CMV? CD4 level? retinitis. cotton wool spots on fundoscopic exam. maybe esophagitis. Also interstital pneumonia with owls eyes nucelar inclusions.CD4<50
What might be seen in a AIDS Pt infected with HHV-8? Kaposi's sarcoma, lymphocytic inflammation, neoplastic proliferation of vasculature
What might be seen in an AIDS Pt infected with EBV? hairy leukoplakia often on lateral tongue. associated with NHL. Waldeyers ring on oropharynx
What might bee seen in an AIDS pt infected with HPV? squamos cell carcinoma (MSM) or cervix
What infection might cause a primary CNS lymphoma with focal or multiple lesions in AIDS pt? EBV
What might aspergillus fumigatus in AIDS pt? plueritis pain, hemoptysis, infiltrates on imaging
What might be seen in an AIDs pt infected with pneumocystis jirovecii? CD4 level? pneumonia esp CD4<200
What might be seen in an AIDS pt infected with mycobacterium avium and intracellulare? Tb like disease, esp with CD4<50
What is the mechanism of prion disease? conversion of nornam protein to prion protein to a Beta pleated sheet which is transmissible. get spongiform encephalopath, demetia, ataxia death.
What is an example of a sporadic prion disease? Crutzfeld Jakob- rapidly progressive dementai
What is an example of an inherited prion disease? Gertsmann Straussler scheinker syndrome
What is an example of an acquired prion disease? kuru
What is the normal dominant flora of the skin? staph epidermidis
What is the normal dominant and colonizer flora of the nose? S epidermidis, colinized by S aureus
What is the dominant normal flora of the oro pharynx? viridans strep
What is the dominant normal flora of dental plaque? strep mutans
What is the dominant normal flora of the coloon? Bacterioides fragillis > E. coli
What are the dominant and colizing flora of the vagina? Lactobacillus, colinized by E. coli, group B step
Do neonates delivered by cesarian have flora? not at first but are rapidly colonized
What does vibrio parahemolyticus cause? food poisioning from seafood
What does Vibrio vulnificus cuase? seafood poisoning, wound infections from water or shellfish
What causes food poisoning from reheated rice? bacillus cerues
What causes food poisoning in meats, mayonaise, custard with a preformed toxin? S. aureus
Where might CLostridium pefringens cause food poisoing? reheated meats
What might cause food posiing in a bulging can? C. botulinum
In what setting might E. coli 0157 : H7 cause food posioning? undercooked meat
What setting might salmonella cause food poisoning? pultry meat eghgs
What can be said about the onset and offset of foodposioning wiht S. aureus and B. cereus? starts quick, ends quick
What 3 bugs might mimic appendicitis? Yersinia enterocolitica, C. jejuni, non typhoidal salmonella. mesenteric adenitis
What might cause a bloody diarrhea with comma or S shaped organisms grown at 42C? Campylobacter
What organism might cause a bloody diarrhea with lactose negative, flegellar motility? Salmonella
What organism might cause bloody diarrhea, lactose negative, low ID, making Shiga toxin? Shigella
What organism might cause bloody diarrhea, HUS, making shiga like toxin? enterohemorrhagic E. coli 0157 H7
What organism might cause bloody diarrhea and invade the colonic mucosa? enteroinvasive E. coli
What organism might cause bloody diarrhea outbreaks in a day care an pseudoappendicitis? yersinia enterocolitica
What organism might cause a bloody diarrhea with protozoa? entamoeba histolytica
What oragnism might cause a watery diarrhea, travelers diarrhea, with ST LT toxins? enterotoxigenic E. coli
What organism might cause a watery diarrhea with comma shaped organisms and rice water diarhea? vibrio cholerae
What organism might cause a watery diarrhea with pseudomembranous colitis? C. difficle
What might cause a watery diarrhea or gas gangrene? C. perfringens
What protozoa might cause a watery diarrhea especially in the ICPt? Giradia, cryptosporidium
What viruses might cause a watery diarrhea? rotavirus, adenovirus, norwalk virus
What is the most common cause of neonatal pneumonia <4weeks? Group B strep, E coli
What is the most common cause of pneumonia in children 4w to 18 y/o? RSV, Mycoplasma, Chlamydia (young kids), Streptococcus pneumonidiae
What are the most common causes of pneumonia in adults? 18-40 Mycoplasma, C. pneumonia, S pneumoniae
What are the most common causes of pneumonia in adults? 40-65? S. pneumonidae, H influnzae, Anaerobes, virsues, Mycoplasma
What are the most common causes of pneumonia in the elderly? S. pneumonidae, Influenza, Anaerobes, H influenzae, G- rods
What 2 bacteria are especially nosocomial pneumonia? Staphylococcus, enteric G- rods
What bacteria cause pneumonia by aspiration? anaerobes
What bacteria cause pneumonia especially in alcoholic or IVDA? Staphylococcus, klebsiella, S. pneumonidae
What bacteria is especially known to cause pneumonia in CF? pseudomonas
What bacteria are especially known to cause pneumonia post viral? staphylococcus, H. influenzae
What pathogens cause atypical pneumonia? mycoplasma, legionella, chlamydia
Created by: tjs2123