NBCE BOARDS PART 1 – MICROBIOLOGY EXAM REPORTED QUESTIONS AND ANSWERS

NBCE BOARDS PART 1 – MICROBIOLOGY EXAM REPORTED QUESTIONS AND ANSWERS Trichonella spiralis is vectored by ____________ & lives in ___________. It is dx by xray & biopsy. - Answer-Raw pork Striated mm (intercostals, diaphragm) Trichuris trichuria is a ________. - Answer-Whipworm Capsomere - Answer-A subunit of the protein capsid of a virus. Viroid - Answer-SsRNA that infects plants Transmission of viruses is typically ___________. - Answer-Respiratory Viruses that are not transmitted by the respiratory system include... - Answer-Arbovirus/Arthropod borne virus AIDS = sexual Polio = oral/fecal Rabies = bite Warts = skin contact/casual Hepatitis (A=oral/fecal, B=sexual/IV drugs, C=tattoo) Herpes Simplex Type 1 - Answer-Fever/Blisters above the belt Herpes Simplex Type 2 - Answer-Genital Below the belt Herpes Zoster - Answer-Shingles Does not cross midline Along dermatology Hides in DNRG Molluscum contagiosum - Answer-Pink cauliflower lesion on female genitalia Papovavirus (Papilomavirus) - Answer-Warts via casual contact (skin) Persistent/Latent Rubella - Answer-German Measles/3 Day Measles Mild fever Causes congenital rubella Syndrome Togavirus family Rubeola - Answer-Red measles Koplik spots on buffalo mucosa High fever 3 C's = Coryza (runny nose), Conjunctivitis, Cough Atypical measles causes _________. - Answer-SSPE Subacute Sclerosis Panencelphalitis Vaccinia - Answer-Cow pox Varicella - Answer-Chicken Pox Maculopapularvesicular rash = red, elevated, fluid filled Variola - Answer-Small pox Guarneri bodies Coxsackie Virus - Answer-Childhood dysentery Hand Foot & Mouth dz Picornaviridae Echovirus - Answer-Skin rash Heart disease Enteric reaction Picornaviridae Hantavirus - Answer-Carried by rodents Southwestern Region Bunyviridae Poliovirus - Answer-Fecal/Oral Affects anterior horn (alpha-motor) Bulbar type = Respiratory paralysis Adenovirus - Answer-Conjunctivitis Pharyngitis Influenza - Answer-Antigenic drift = small mutation Antigenic shift = large mutation, causes flu Sidomegalic Paramyxoid Virus - Answer-Mumps Parotiditis = LMN CN 7 (Bell's Palsy) Sequelae = Oophritis, Orchitis Respiratory Syncytial Virus - Answer-RSV Causes Croup & Bronchiolitis Most common respiratory infection in kids - Answer-RSV Cytomegalovirus - Answer-Via body fluids Latent/Persistent Disseminated dz in AIDS Rabies Virus - Answer-Rhabdoviridae Negri bodies "Bullet shaped" Hydrophobia Reye's syndrome is a ____________ taken for viral infection. - Answer-Negative reaction to aspirin HTLV-III virus - Answer-AIDS, HIV virus Reverse transcriptase CD4 cells affected = Thelpers without "game plan" #1 fungal infection in AIDS patients - Answer-Pneumocystis Carinii Pneumocystis carinii - Answer-Fungal infection Pigeon droppings #1 cause of death in AIDS patients - Answer-Pneumonia Toxoplasma Gondii - Answer-Toxoplasmosis Vector = cat feces Miscarriage if 1st exposure @ 1st trimester #1 parasite & #1 protozoal infection in AIDS pt - Answer-Toxoplasmosis Hepatitis A (Transmission, Carrier for life?, Sequelae?, RNA or DNA) - Answer-Fecal/oral No carriage No sequelae RNA Hepatitis B (Transmission, Carrier for life?, Sequelae?, RNA or DNA) - Answer-Sexual/IV drugs Carrier for life Liver Cancer DNA (only one) *most lethal at acute phase Hepatitis C (Transmission, Carrier for life?, Sequelae?, RNA or DNA) - Answer-Tattoo, Blood transfusion Carrier for life Liver cancer RNA *most common in US Hepatitis D (Transmission, Carrier for life?, Sequelae?, RNA or DNA) - Answer-Co-infection with B Carrier for life Liver cancer RNA #1 death by cancer in AIDS - Answer-Kaposi Sarcoma Giardia Lamblia - Answer-Contaminated water "Beaver Fever" Mucousy diarrhea (esp in AIDS pt) 4 pairs of flagella Hikers likely to get Group A arbovirus - Answer-Equine encephalitis dz (Western, Eastern & St. Louis) West Nile (m/c in US) Group B Arbovirus - Answer-Yellow Fever Dengue Fever Viscerotropic virus - Answer-Yellow fever Reed discovered Jaundice Yersinia (pasteurella) pestis - Answer-Bubonic plague Black Death Vector = rat flea Bubos @ neck & axillary lymph nodes Francisella Tularensis - Answer-Tularemia Rabbit fever Hunters @ risk "The French rabbits smell Tulips" Clostridium Botulinum - Answer-Botulism 1st sign = diplopia 2nd sign = death Food poisoning Heat labile Floppy Baby syndrome Campylobacter jejuni - Answer-Contaminated food M/C/Causes gastritis #1 cause of diarrhea & food poisoning in adults - Answer-Campylobacter Listeria monocytogenes - Answer-Listeria Deli meats & soft cheeses Salmonella enteritidis - Answer-Food poisoning 12-24 hours post ingestion Heat labile Eggs & poultry Fever Staphylococcus aureus - Answer-Pathogenic Staph Creams & custards Food poisoning (2-4 hours post ingestion) No fever Heat stable Yellow discharge Salmonella typhoid - Answer-Food borne Rose colored spots on abdomen Hides @ GB & Peyer's patches of ileum Widal test Brucella Abortus - Answer-Bang's disease Zoonosis from cattle Spontaneous abortions in cattle Undulant fever (up & down) Vibrio Cholera - Answer-Cholera Reversal of Na/K pumps No immune reaction No lymph swelling Rice water stools Vomiting Comma shaped Shigella - Answer-Soil & water contamination Bacillary dysentery (bloody stool) E. Coli - Answer-Contaminated water Traveler's Diarrhea "Montezuma's revenge" Bacillus Antracis - Answer-Soil & animal Anthrax Woolsorter's dz Inhaled spores Sporulation Clostridium Tetani - Answer-Soil Lockjaw Inhibit GABA & glycine (inhibitory NT) Clostridium perfringes - Answer-Soil Gas gangrene "C welchi" Leptospira icterohemorhagiae - Answer-Weil's dz Hemorrhagic Jaundice AKA Leptospira Interrogans Spirochetes