Microbiology for COMLEX Level 1 Latest Update 100% Pass

Microbiology for COMLEX Level 1 Latest Update 100% Pass -Sheep or goat wool -Widened mediastinum -Poly-D glutamate Bacillus anthracis *AIDS/HIV* pt with *meningitis* Immediately think *Cryptococcus neoformans* Cryptococcus neoformans is the *#1 cause of meningitis* in pts with *HIV/AIDS* *Confirmatory* test for HIV infection Western blot -Uses gel electrophoresis *Ether exposure* to viruses Ether *dissolves the lipid bilayer* that makes the outer viral *envelope* *Loss of infectivity* after exposure to *ether* is a characteristic feature of *ENVELOPED viruses* "Ether exposure effects *envelopes*" *Multiple ring-enhancing lesions* on MRI, pt is *HIV (+)* -NO exposure to cats Still *Toxoplasmosis* -Extensive pet (cat) exposure is NOT essential for diagnosis C.P.: HIV, HA, seizures, multiple ring-enhancing lesions on brain MRI *Plasmid* conjugation *Plasmids* play an important role in *antibiotic resistance* *Screening* test for HIV ELISA -Highly sensitive *Sickle cell patients* -Most susceptible to which two infections? 1) Strep pneumonia 2) Salmonella #1 cause of laryengotracheobronchitis (croup) Parainfluenza virus type 1 3 stages of Bordatella pertussis infection 1) Catarrhal stage -Cough with nonspecific symptoms -Stage that is *most contagious* 2) Paroxysmal stage -Characteristic *whooping cough* 3) Convalescent stage -Final stage, lasts *3 months* -Stage when pt is *most susceptible* to *secondary infections* A major determinant of viral tropism and the ability of the virus to affect many different hosts Surface glycoprotein A patient is diagnosed with primary TB and is prescribed Isoniazid. What should also be given with this med? Vitamin B6 -Isoniazid competes with Vit. B6 and can result