Cryptococcus - Study guides, Class notes & Summaries

Question 1 Correct 4.17 points out of 4.17 The best defense against arboviruses is . Select one: a. prophylactic rifampin b. vaccination c. vector control d. prompt treatment with acyclovir Question 2 Correct 4.17 points out of 4.17 Meningitis can be caused by a number of microbes, and the causative organism is often identified by microscopic observation of the cerebrospinal fluid. Identify the mismatch in the following list oforganisms and the description of the microscopic obse...

MCB 2010 Exam 4 Study Guide | 100% Passed All of the following are true regarding African trypanosomiasis EXCEPT A) it is also known as "sleeping sickness." B) all subspecies of Trypanosoma brucei have multiple hosts. C) it is transmitted by the tsetse fly. D) death ultimately occurs without proper treatment. E) Trypanosoma brucei gambiense is the more common cause of disease. -Answer-B) all subspecies of Trypanosoma brucei have multiple hosts. Bacterial encephalitis and meningitis are d...

NBME MICROBIOLOGY REVIEWED EXAM 2023/2024 India ink for - CORRECT ANSWER-Cryptococcus neoformans Silver stain for - CORRECT ANSWER-Fungi, Legionella, H. pylori Thayer Martin media for - CORRECT ANSWER-N. gonorrheae, N. meningitidis Tellurite plate for - CORRECT ANSWER-C. diphtheriae Löffler's media for - CORRECT ANSWER-C. diptheriae Charcoal yeast media for - CORRECT ANSWER-Legionella Sabouraud's agar for - CORRECT ANSWER-Fungi Obligate intracellulars - CORRECT ANSWER-Rickettsia ...

Chain of Infection - ANSWER-1)Infectious agent= organism with ability to cause disease; greater virulence, invasiveness, and pathogenicity => increased odds of infection 2) Reservoir: place where microbes can persist and reproduce 3) Portal of Exit: way for microbe to leave the reservoir 4) Mode of transmission: method of microbe transfer from one place to another 5) Portal of entry: opening that allows microbe to enter host 6) Susceptible host: Lacks immunity or physical resistance to p...

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...

An organism identified as Cryptococcus species can be accurately identified as Cryptococcus neoformans using which of the following characteristics? - Positive urease test - Presence of a capsule - Positive phenol oxidase test - Appearance of yellow colonies - Answer Positive phenol oxidase test Consider the following results on an isolate from a CSF specimen, growing on cornmeal agar: Blastospores = +, Pseudohyphae = -, Chlamydospores = -, Arthrospores = - Which of the following tes...

All of the following are true regarding African trypanosomiasis EXCEPT A) it is also known as "sleeping sickness." B) all subspecies of Trypanosoma brucei have multiple hosts. C) it is transmitted by the tsetse fly. D) death ultimately occurs without proper treatment. E) Trypanosoma brucei gambiense is the more common cause of disease. Correct Answer-B) all subspecies of Trypanosoma brucei have multiple hosts. Bacterial encephalitis and meningitis are difficult to treat because A...

A urine specimen was submitted for isolation of cytomegalovirus. The urine was inoculated into human fibroblast tissue culture tubes. After 72 hours, no cytopathic effect was observed in the culture tubes. The most appropriate course of action is to: - incubate the culture tubes for 2 to 3 weeks longer At the present time Clostridium difficile toxin can be detected by: - EIA Infection of the urinary tract is most frequently associated with: - Escherichia coli Which of the two different ...

USMLE STEP 2 CK EXAM 2024 WITH 100% CORRECT ANSWERS pregnant with active HBV - correct answer tx newborn with HBIG and HBV vaccine Beck's triad for tamponade - correct answer hypotension, JVD, muffled heart sounds (also pulsus paradoxus). Electrical alternans subarachnoid hemorrhage - correct answer increased ADH and BNP --> hyponatremia. Tx - water restriction coccidioidomycosis - correct answer SW US, central/south America. Pulm infection - dry cough, weight loss, pleuritic che...

MLT ASCP Practice Test 2 (Medical Laboratory Technicians) |Complete 100 Questions With Verified Answers And Rationale| Guide |Graded A The India ink preparation is used as a presumptive test for the presence of which organism? A. Aspergillus niger in blood B. Cryptococcus neoformans in CSF C. Histoplasma capsulatum in CSF D. Candida albicans in blood or body fluids E. Trichomonas vaginalis in vaginal secretions The India ink preparation is used as a presumptive test for the presence...