f lesson one Flashcards
some species do not grow under
artificial culture medium, usually those that don’t grow easily such as
-Mycoplasma
-Intracellular
-Spirochetes
-Mycobacterium leprae
Definitively identify the microorganism
One of the confirmatory (confirms genus and species)
Sensitive and specific at the same time
NUCLEIC ACID AMPLIFICATION TECHNIQUE (NAAT)
_________ method: screening test only
-Positive/reactive - needs confirmation
through tube method
slide
_________ method confirmatory
-Quantitative -Titer/ amount of Ab is what we’re
looking for
tube
syphilis is acquired through
a. Sexual - most common
b. Transplacental
c. Blood transfusion
Appearance of HARD CHANCRE
1 - 5 weeks after acquiring the bacteria
examined under dark
field microscope → Positive for motility
primary stage of syphilis
Serological test NOT RECOMMENDED YET in this stage of syphilis
primary
Characterized by generalized RASH and LESIONS
-Rash and lesions, CONDYLOMATA LATA
what stage of syphilis
secondary
Patient is already at the peak of antibody production
BEST STAGE TO DO SEROLOGY
what stage of syphilis
secondary stage
MOST INFECTIOUS stage of syphilis
secondary stage
-Patient is still HIGHLYCONTAGIOUS
Patient is ASYMPTOMATIC
what stage of syphilis
latent stage
Only method of diagnosis for this stage of syphilis is through serology
latent stage
-Weeks/ years later, signs and symptoms/ infection might
disappear - latency period -Appears after 2 years of infection
what stage of syphilis
latent stage
_________ STAGE
-Appears 3-10 years after primary infection
tertiary stage
-The disease was disseminated to different body organs
producing lesions
-Characterized by destructive lesions called
GUMMA/GUMMATAS
what stage of syphilis
tertiary stage
