Jeef First Aid Micro Part 2-4

Front 1

273. Cause of Cat Scratch fever?

Back 1

a. Bartonella Spp.
b. Transmission; Cat scratch.

Front 2

274. Cat scratch fever presentation (Bartonella)?

Back 2

a. Can cause bacillary angiomatosis in immunocompromised pts (often confused w/Kaposi sarcoma.

Front 3

275. Cause of Recurrent fever and transmission?

Back 3

a. Borrelia recurrentis from Louse.
b. Recurrent fever is from variable surface antigens.

Front 4

276. Transmission and source of Brucellosis/undulant fever?

Back 4

a. Brucella from dairy products and contact w/animals.
b. “Unpasteurized dairy products give you Undulant fever”.

Front 5

277. Transmission and source of Tularemia (Francisella tularensis)

Back 5

a. Tick bite; rabbits, deer.

Front 6

278. Transmission and source of Plague (Yersinia pestis)?

Back 6

a. Flea bite; rodents, esp. prairie dogs.

Front 7

279. What does Pasteurella multocida cause and transmission and source?

Back 7

a. Cellulitis, osteomyelitis
b. Animal bite; cats, dogs.

Front 8

280. Gardnerella vaginosis characteristics?

Back 8

a. Pleomorphic, gram-variable rod that causes vaginosis.

Front 9

281. Gardnerella vaginosis presentation?

Back 9

a. Grey vaginal discharge with a fishy smell.
b. Non-painful.
c. Associated w/sexual activity but not an STD.
d. Bacterial vaginosis is characterized by overgrowth of certain bacteria in the vagina.

Front 10

282. Diagnosis of Gardnerella vaginosis?

Back 10

a. Clue cells, or vaginal epithelial cells covered w/bacteria, are visible under the microscope.
b. “I don’t have a CLUE why I smell FISH in the Vagina GARDEN.

Front 11

283. Rickettsiae characteristics?

Back 11

a. Obligate intracellular organisms that need CoA and NAD+.

Front 12

284. Rickettsiae transmission and presentation?

Back 12

a. All save for Coxiella are transmitted by an arthropod vector and cause HA, fever, rash.
b. Coxiella is an atypical rickettsia bc it is transmitted by aerosol and causes pneumonia

Front 13

285. Classic Rickettsiae triad?

Back 13

a. HA
b. Fever
c. Rash (vasculitis).

Front 14

286. Rickettsiae tx?

Back 14

a. Doxycycline.

Front 15

287. Rickettsia Rickettsii causes?

Back 15

a. Rocky Mountain spotted fever.
b. Rickettsial rash starts on hands and feet.

Front 16

288. R. typhi causes?

Back 16

a. Endemic typhus (fleas).
b. Typhus rash starts centrally and spreads outward w/out involving the palms or soles.
c. “Rickettisa on the wRists and Typhus on the Trunk”.

Front 17

289. R. Prowazekii causes?

Back 17

a. Epidemic typhus (as opposed to endemic of R. typhi).

Front 18

290. Q fever (also rickettsial disease) caused by?

Back 18

a. Coxiella burnetii.
b. Tick feces and cattle placenta release spores that are inhaled as aerosols.
c. “Q fever is Queer bc it has no rash, no vector, negative Weil-Felix, and its causative organism can survive outside for a long time and does not have Rickettsia as its genus name.

Front 19

291. Weil-Felix reaction?

Back 19

a. Pts w/Rickettsial infection have antibodies against Rickettsia.
b. When pt serum is mixed w/Proteus antigens, antirickettsial antibodies cross-react to Proteus O antigens and agglutinate.
c. Weil-Felix is negative in Coxiella infection.

Front 20

292. Rocky Mountain spotted fever?

Back 20

a. Caused by Rickettsia rickettsii.
b. Symptoms:
1. Rash on palms and soles (migrating to wrists, ankles, then trunk)
2. HA
3. Fever
c. Endemic to east coast (in spite of name).

Front 21

293. In what conditions is palm and sole rash seen?

Back 21

a. Coxsackievirus A infection (hand, foot, and mouth disease)
b. Rocky Mountain spotted fever
c. Syphilis.
d. “you drive CARS using your palms and soles”

Front 22

294. Chlamydia energy source?

Back 22

a. Chlamydiae Cannot make their own ATP.
b. They are obligate intracellular organisms that cause mucosal infections.

Front 23

295. 2 forms of Chlamydiae?

Back 23

1. Elementary body- (small, dense) is Enfectious and Enters Cell via Endocytosis.
2. Reticulate body- Replicates in cell by fission; Form seen on tissue culture

Front 24

296. What does Chlamydia trachomatis cause?

Back 24

a. Reactive arthritis
b. Conjunctivitis
c. Nongonococcal urethritis
d. PID

Front 25

297. What do Chlamydia pneumoniae and C. psittaci cause?

Back 25

a. Atypical pneumonia; transmitted by aerosol.
b. C. Psittaci- notable for an avian reservoir.

Front 26

298. Treatment of Chlamydia!?!?!

Back 26

a. Azithromycin (xpac) or Doxycycline.

Front 27

299. What is unusual about the chlamydial cell wall?

Back 27

a. It lacks muramic acid.

Front 28

300. Lab diagnosis of Chlamydia!?!?

Back 28

a. Cytoplasmic inclusions seen on Giemsa or fluorescent antibody-stained smear.

Front 29

301. Types A, B, and C Chlamydia trachomatis serotypes cause?

Back 29

a. Chronic infection
b. Blindness due to follicular conjunctivitis in Africa.
c. ABC = Africa/Blindness/Chronic Infection.

Front 30

302. Types D-K Chlamydia trachomatis serotypes cause?

Back 30

a. Urethritis/PID
b. Ectopic pregnancy
c. Neonatal pneumonia (staccato cough) or
d. Neonatal conjunctivitis.

Front 31

303. Types L1, L2, and L3 Chlamydia trachomatis cause?

Back 31

a. Lymphogranuloma venereum
i. (Do not confuse w/granuloma inguinale (donovanosis), which is caused by Klebsiella granulomatis).

Front 32

304. Tx of neonatal Chlamydia trachomatis disease?

Back 32

a. Azithromycin.