Microbiology (All) Flashcards
A mannitol salt agar is used for ______
Staphylococcus
Deoxyribonuclease in a medium inhibits ______
Transformation
Which of the following are negri bodies seen in?
Rabies
Which of the following is an advantage of passive immunity?
Rapid availability of protection
Which of the following release IL-2
T-Lymphocytes
Which of the following does a virus cause?
Measles
Which of the following describes destruction of all microorganisms?
Sterilization
Fever blisters are associated with which of the following?
Herpes Simplex 1
Which of the following is an acid-fast bacterium?
Mycobacterium
Which of the following is coagulase positive?
Staph Aureus
Which of the following has no cell wall?
Mycoplasma
Peritrichous is a pattern of _____
Flagella (Peritrichous is a bacteria that has a flagella)
Which of the following causes yaws?
Treponema pertenunez
A rapid loss of fluids is associated with which of the following?
Cholera
Which of the following is Reye’s Syndrome associated with?
Influenza
Which of the following is associated with mononucleosis?
Epstein Barr
Which of the following causes atypical primary pneumonia?
Mycoplasma pneumoniae
Which of the following causes Osteomyelitis?
Staph Aureus
Which type of milk is the most apt to cause disease?
Raw
Which of the following organisms causes hemorrhagic jaundice?
Leptospira ictohemorrhagiea
A throat culture predominately pinpoints beta-hemolytic colonies of gram-positive cocci in pairs and chains, which are bacitracin sensitive, and not bile soluble is indicative of which of the following pathogens?
Strep pyogenes
Antibodies are synthesized and released by which of the following cells?
Plasma cells
The best medium to identify Neisseria gonorrhea is which of the following?
Thayer Martin Agar (chocolate agar)
If a urine sample contains WBC, WBC casts, and bacteria it would indicate which of the following?
Acute pyelonephritis
Which of the following does the greatest damage to the ozone layer?
Chlorofluorocarbons (CFC)
Trismus is a characteristic finding in which of the following?
Tetanus
Which of the following cell types contain heparin?
Basophil
Which part of the complement is the 1st to affix to the cell membrane?
C3B (important in opsonization)
Which of the following produces helper substances?
CD4 (cytotoxic T-cell)
Which infection predisposes a child to Reye’s Syndrome?
Influenza
Which of the following bacteria transmit drug resistors?
Plasmids
Which of the following cause hookwrm disease?
Necator americans
Which of the following cause pinworm disease?
Enterohius vermicularis
Which of the following cause round worms?
Ascariasis lumbricoides
Which of the following immunoglobulins crosses the placenta and provides passive immunity to the fetus?
IgG
Which of the following cell types work together with T-lymphocytes to recognize foreign antigens and stimulate antibody production?
Macrophages
Which of the following government agencies is not part of the US Public Health Service?
Communicable disease center (CDC - center for disease control currently)
Which of the following diseases cause weight loss, abdominal pain and mucous diarrhea and lasts for more than 3 days?
Giardia (giardiasis) - this is a flagellate, oral/fecal transmission, interferes with fat absorption, fatty diarrhea also known as Giardia Lamblia
Which of the following is responsible for Lyme’s disease?
Borrelia burgdorferi
Which of the following etiological agents causes epidemic typhus?
Rickettsia prowazeki
Which genus are responsible for infant diarrhea in hospital nurseries?
Escherichia (E. coli)
Which of the following parasites causes blackwater fever?
Plasmodium falciparum
Which factor is responsible for making influenza pandemic?
Antigenic shift
Which of the following routes transmits mycoplasma hormone?
Sexual
______ causes childhood dysentery
Coxsackie Virus B
_____ is a eukaryotic organism
Protozoa
The DPT vaccine offers which type of immuity?
Artificial Active
Organisms of which genus usually cause allergic reactions?
Aspergillus (a. Fumigatus, a. Clavatus)
Which of the following organisms causes whooping cough?
Bacterium (Bordetella Pertussis - Gram negative coccobacilli)
_____ is the usual cause of bladder infections
E. Coli
____ is the immunoglobulin, which can be detected, early in an infectious process
IgM
Motor viruses primarily affect which system?
Nervous system
Which of the following most commonly causes impetigo contagious?
Strep Pyogenes (Group A B-hemolytic streptococci)
Blue green pus in a wound indicates the presence of which of the following organisms?
Pseudomonas aeriginosa (Obligate aerobic, Gram -, motile rods)
What is the most common organism to affect a patient with AIDS?
Pneumocystic carnii (opportunistic infection often associated with immunosuppression, has characteristics of fungus and protozoa)
The helminth that causes the most deaths worldwide belongs to which genus?
Schistosoma (found in water) (pg. 10 on packet) - has 3 types [Mansoni, Japonicum, Hematobium]
_____ cells process antigen.
Macrophages
_____ can penetrate unbroken skin.
Schistosoma mansoni (infectious part of the parasite [flatworm] cercariae leave the snail and penetrate human skin that is in contact with contaminated freshwater)
Which of the following does a vector NOT transmit?
Fever
Which of the following is a result of the reaction between soluble antigen and a specific antibody?
Precipitation
Vitamin B12 deficiency often results from which worm infestation?
Diphyllobothrium latum (fish tapeworm - contracted from undercooked fish - Megaloblastic anemia due to the fish tapeworm absorbing all the nutrients the individual is eating, resulting in a B12 deficiency)
Organisms from which genus are used as antigen in the diagnosis of Rickettsia disease?
Proteus
Destroying of the larva of parasites from the genus Ascariasis, Schistosoma and Trichinella is a distinctive function of ______.
Eosinophils
Which of the following organisms is coagulase positive?
Staph aureus
Which parasite is most apt to infect the person who has been walking barefoot in a pile of feces?
Necatur americans
Which of the following exhibits a gray pseudomembrane?
Diphtheria
Pasteurization is complete when the _____ organism has been killed.
Brucellosis (zoonosis - transmitted from RAW MILK - fever and joint infections)
What is the purpose of pasteurization?
To stop the growth of Bacteria
Which of the following is characteristic of a pyogenic organism?
Pus formation
Which of the following is a pathogen found in contaminated water?
Leptospira interrogans (infectious jaundice - found in contaminated water either by animal urine, feces)
Which of the following causes Legionnaire’s Disease?
Bacteria
Which of the following sexually transmitted organisms causes PID and Infertility?
Chlamydia trachomatis
Which of the following causes Bacillary Dysentery?
Shigella (Shigella Dysenteriae)
What is a common characteristic of diphtheria?
Pharyngeal Pseudomenbrane (exotoxin causes grey pseudomembrane in the throat)
Which of the following increase when a parasitic infection is present?
Eosinophils
Which of the following is the primary pathological consequence of Malarial infection?
Erythrocyte destruction (pg 8 packet)
Which of the following diseases is a result of phage induction in staphylococci?
Osteomyelitis
Bacterial capsules are generally composed of a high molecular weight. Which of the following is one?
Polysaccharides
Respiratory syncytial virus is the major cause of Bronchiolitis and Pneumonia in which of the following?
Infants
Which of the following conditions is associated with Koplik spots?
Rubella
Bacteria which grows @ 55 degrees C or higher are known as _____
Thermophile
Which of the following organisms cause hard black subcutaneous nodules around the scalp?
Piedri Hortae
Which of the following is primarily found in hard water?
Calcium, Magnesium, Salts
Which of the following conditions is caused by Clostridium perfungies?
Gas Gangrene (fermentation with gas production causes death of tissues)
Which of the following immunoglobulins mediates type 1 hypersensitivity reaction?
IgE
Which of the following has been implicated in river blindness?
Onchocerca (Onchocerca Volvulus - vector = black fly, central africa, mexico, south america)
The Bacillus calmette gueron (BCG vaccine) vaccine provided immunity against which of the following?
Tuberculosis
What is the virus that causes Gengivostomatitis?
Herpes Simplex 1 (HSV1 - oral, HSV2 - below the waist, Whitlow - hands/fingers)
Which of the following is related to the transmission of Measles?
Respiratory Inhalation
Which of the following causes purulent vaginal discharge and burning?
Neisseria gonorrhea
Influenza pandemic occurs because of which of the following?
Antigenic shift
_______ is the process by which two or more different strains of a virus, or strains of two or more different viruses, combine to form a new sub-type having a mixture of the surface antigens of the two or more original strains.
Antigenic shift
Which of the following parasites causes Cysticerocosis?
Taenia Solium
Which of the following increases the immunogenic sympathetic soluble thymogen?
Immunoglobulins
Which of the following is associated with an encapsulated Diplococcus?
Neisseria (Neisseria gonorrheae, Neisseria meningititis)
Chlorinated hydrocarbons that are stored in the bone can be most destructive to which of the following?
CNS
Which of the following organisms is most responsible for fecal contamination of water?
E. Coli
Which of the following sources of water contain the most sulfur?
Rain water
Which of the following is the step before flocculation in water treatment?
Filtration [Filter –> Flocculation –> Sediment –> Sand filter –> Sludge digest –> Aeration –> Chlorination]
Which of the following elements is prevalent in significant amounts in ground water?
Radon
Which of the following cells in the plasma contain interleukin II?
T-lymphocytes
Which of the following is involved in the transmission of Hepatitis A?
Ingestion
The causative agent of ringworm is a _______
Fungus
Which of the following organisms causes thrush?
Candida albicans
Coccidiodomycosis is a fungus that affects which of the following?
Lungs
Which of the following can aggravate C-3?
Plasmin
Which of the following is found in the infectious stage of Necator americanus?
Trophozoite
Which of the following cells produce interleukin I?
Mononuclear phagocytes
Which of the following cells produce Histamine?
Mast cells
Scolex on a tapeworm is for which of the following?
Attachement to intestinal mucosa
Transmission of Herpes II (HSV-2) from mother to newborn is ______
Perinatal
Secondary amoebic infection will spread to which organ?
Liver
What causes Otitis media?
Hemophiles influenza
Conjugation involves which of the following structures?
Pilus
What is the cause of a heroin addict who has fever, tremors, mm. spasma, red streaks over injection site?
Strep Pyogenes [Group A Beta-hemolytic streptococci causes strep throat, scarlet fever, impetigo, glomerulonephritis]
Which of the following causes stomach ulcers?
H. Pylori
Which of the following is the vector of St. Louis encephalitis?
Mosquito
Which of the following is found in farmers who breathe in hay or grain dust?
Farmers lung [hypersensitivity pneumonitis that results from inhalation of moldy hay or grain dust - type 3 hypersentitivity rxn that can become chronic] (DO NOT CONFUSE WITH SILO-FILLER’s DX - NO2 rxn to silage - results in ARDS)
Ringworm is diagnosed using which of the following?
Ultra Violet (woods lamp)
In what phase do bacteria divide at a CONSTANT rate?
Log [constant division]
Which of the following is the Vector for Rocky Mtn Spotted Fever?
Tick
What has been responsible for the greatest increase in life expectancy?
Control of Infectious Disease
Which of the following is most apt to be found in a muscle biopsy?
Trichimonis
Which of the following is not a water borne disease?
Shigella (contaminated soil)
Zehl Nelson stain is used to detect which of the following?
Acid Fast Bacilli
Which of the following diseases is spread via the fecal/oral route?
Polio
Which of the following strains of E. Coli causes travelers diarrhea?
Enterotoxogenic
Schistosoma affects what part of the body?
Blood [Blood flukes cause schistosomiasis (Bilharzia]
Which of the following causes fungal infection of the lung?
Histoplasmosia and Coccidiomycosis
Which of the following causes acute Osteomyelitis?
Staph aureus
Clostridium _________ causes gas gangrene and myonecrosis…
Perfringens
Which of the following is a process by which colloidal particles settle out from solution?
Flocculation
Penicillin acts by preventing formation of _____ in bacteria.
Peptidoglycans
Which of the following pathogens causes Colitis secondary to antibiotic treatment?
Clostridium difficile
Which of the following is in saliva and tears?
IgA
Which of the following U.S. Government Agency compiles data on outbreaks of disease?
CDC
Which of the following is a cause of subacute bacterial endocarditis?
Strep viridians
Epidemic parototitis is associated with ______
Mumps
Haemophilus Ducreyi is associated with what type of ulcer, and is it painful?
Chancroid Ulcer - Painful
Treponema Pallidum is a likely cause of Syphilis, what type of ulcer does syphilis usually produce and is it painful?
Chancre Ulcer - Painless
Which organism causes diphtheria?
Bacterium
What cells produce antibodies in response to an antigen?
Plasma cells
What is the most common hookworm in the U.S.?
Nector americanus [eggs hatch in soil, larvae penetrate bare skin, adults mature in sm. intestine]
Tetanus toxoid neutralizes ______
Circulating toxins
Active digestion of organic material occurs at which stage of sewage treatment?
Trickling [trying to find diagrams for this is awful idk just take a hit on this?]
Which of the following organisms lacks a cell wall?
Mycoplasma
Which of the following federal agencies is responsible for lab experiment standards?
NIH (national institute of health)
Which of the following is responsible for atypical primary pneumonia?
Mycoplasma pneumonia
Erythromatous ring seen in scarlet fever comes from which of the following?
Strep
Which organism is responsible for common form food poisoning?
Staph aures
Trypansoma gambiensi (Trypansoma brucei) primarily affects what?
Brain [also known as african sleeping sickness - vector = tse tse fly]
Which of the following cells produces interleukin II?
T-helper cells
Which of the following immunoglobulins is most predominant in the neonate?
IgG
Which scientist is credited with stating that bacteria is capable of transferring genetic information?
Griffith
Recent outbreaks from E. coli are due to which of the following?
Enteropathogenic [uh, no idea where this “fact” comes from]
The incidence of disease is best defined as the total number of __________
New cases appearing in a given time
What type of food poisoning is obtained from improperly canned foods?
Botulism
Which of the following is toxic, does not have DNA, but still has protein?
Prion
Which of the following organisms causes Rheumatic Fever?
Group A Lancefield (lancefield classifications are based off if the organism is catalase positive or negative)
Hepatic Whitlow occurs in which of the following?
Fingers
Which of the following agencies writes and publishes literature?
WHO
Salk vaccine is considered to be ______
Inactive Polio
How does UV radiation destroy organisms?
Destroys the DNA
Which of the following causes Scalded Skin Syndrome?
Staph aureus
When there is an epidemic spread of a disease which of the following is most important?
The Vector
Which of the following transmits Hepatitis A?
Fecal/Oral
Which of the following causes rice water stools?
Cholera
Which of the following antibiotics is used to treat resistant strains of Staph aureus?
Vancomycin
Iodine used in gram staining is considered a _______
Modant
Which of the following causes symptoms similar to mono?
Cytomegalovirus
Which of the following produces a toxin that does not allow Ach to be released at the myoneural junction?
Clostridium tetani
Which of the following is catalase and coagulase negative?
Staph aureus
Which of the following parasites is found around the anus and is detected by the scotch tape test?
Enterobius vermicularis [pinworm - females lay eggs in perianal area causing itching - scotch tape method of egg collection]
Which of the following is the most common PID?
Neisseria Gonorrhoeae
Exposure to chickenpox and measles will impart which of the following immunities?
Natural active
Which of the following is the organism most responsible for urinary tract infection?
E. Coli
Trypanosonia cruzi is the organism that causes what?
Chagas disease
The etiological agent of Lymes Disease is _______
Borrelia Burgdorferi
Which of the following is involved in immediate hypersensitivity reactions?
IgE
Salmonella poisoning is most commonly due to ingestion of ____&____
Eggs and Poultry
Which process has contributed to the decline in the incidence of food poisoning?
Proper Cooking
Which organism most commonly affects AIDS patients?
Fungus
Lymphocytes release ____ in response to a viral infection.
Interferon
Which of the following is a causative agent in smallpox?
Variola
Candylomata lata are found in what stage of Syphilis?
Secondary
Which of the following is used to measure sewage contamination?
Coliforms
Which of the following Rickettsia diseases is found in contaminated milk?
Q Fever [this is also known as Coxiella]
Which of the following cells is present in an antibody to antigen reaction?
B-Lymphocytes
What is the most common way to be infected by Toxoplasmosis?
Feline Feces