Microbiology DEAD
A mutally advantageous symbiotic relationship between two organisms is A) mutualism B) commensalism C) parasitism D) antagonism
a
A poisonous substance produced by a microorganism is A) a toxin B) an activator C) an antibody D) a toxoid
a
A viral disease affecting only humans is A) mumps B) rocky mountain spotted fever C) rabies D) psittacosis
a
A virus which causes fever blisters or cold sores is A) Herpes simplex virus B) Rubella virus C) Herpes zoster virus D) Varicella virus
a
Antibodies that inactivate invading bacterial cells by causing the cells to form clumps are called A) agglutinins B) opsonins C) antitoxins D) precipitins
a
Chlamydia psittaci causes A) parrot fever B) yellow fever C) rabbit fever D) scarlet fever
a
Endospore formation is characteristic of A) Bacillus anthracis B) Hemophilus influenzae C) Salmonella enteritidis D) Mycobacterium tuberculosis
a
In the transmission of the Zika virus, the mosquito is acting as which of the following? A) biological vector B) holder in due course C) normal host D) mechanical vector
a
Molds are A) multicellular B) procaryotic C) unicellular D) thermophiles
a
Mosquitos have been implicated in the transmission of which of the following types of Hepatitis? A) Types A and C B) Types B and A C) Type C only D) Types A, B and C
a
Pertussis is a disease that is commonly called A) whooping cough B) lockjaw C) mumps D) rabbit fever
a
Rabbit fever is the common name for the disease A) tularemia B) rabies C) plague D) rocky mountain spotted fever
a
Staphylococcus aureus causes A) a nosocomial infection B) syphilis C) diptheria D) anthrax
a
The advantage of using heat for the disinfection of materials over other forms of disinfection, unlike the use of chemicals, is that heat: A) penetrates throughout the materials B) is less costly than chemicals C) is more readily available D) None of these
a
The causative agent of the infection called septic sore throat is A) Streptococcus pyogenes B) Treponema pallidum C) Neisseria gonorrheae D) Clostridium tetani
a
The causative agent of typhus fever is a A) rickettsia B) bacterium C) virus D) fungus
a
The process of passing a liquid through a material with pores so small that bacteria cannot pass through is A) filtration B) disinfection C) sedimentation D) sterilization
a
The type of acquired immunity that results from the inoculation of immune serum is called A) artificially acquired passive B) naturally acquired passive C) artificially acquired active D) naturally acquired active
a
What type of virus would have an affinity for the liver? A) viscerotropic B) neurotropic C) pneumotropic D) dermatropic
a
Which of the chemical agents is described as a coal-tar derivative? A) phenol B) mercuric chloride C) ammonia D) formaldehyde
a
Which of the following is capable of producing an enterotoxin that will cause food poisoning? A) Staphylococcus B) Mycobacterium C) Streptococcus D) Treponema
a
Which of the following organisms is an exotoxin producer? A) Clostridium tetani B) Treponema pallidum C) Staphlococcus aureus D) Neisseria gonorrheae
a
Which of the following substances produced by bacterial cells will destroy red blood cells? A) hemolysin B) coagulates C) fibrinolysins D) leucocidins
a
Which of the following viruses is most likely transmitted from person to person by unsanitary injection procedures? A) Hepatitis B B) herpes simplex C) Hepatitis A D) measles
a
A communicable disease which is constantly present to a greater or lesser degree within a community is termed A) sporadic B) endemic C) pandemic D) epidemic
b
A foreign protein, which when introduced into the body, excites the body cells to produce antibodies against itself, is called a(n) A) immune system B) antigen C) antibody D) agglutinin
b
All diseases caused by microorganisms are properly referred to as: A) fumigants B) infections C) viral D) infestations
b
An infection which is caused by organisms already present in the body is best described as A) exogenous B) endogenous C) endemic D) sporadic
b
Epidemic typhus bacteria are transmitted by: A) mosquitoes B) lice C) ticks D) flies
b
In the name Mycobacterium tuberculosis, the first name is the A) order B) genus C) species D) class
b
Least likely to be a viral disease is A) mumps B) bubonic plague C) smallpox D) rabies
b
Lymphogranuloma venereum is cause by a A) spirochete B) chlamydia C) virus D) mycotic agent
b
Malaria is caused by a: A) helminths B) protozoa C) viruses D) molds
b
Monilia is used synonymously with A) Histoplasma B) Candida C) Blastomyces D) Actinomyces
b
Normal flora bacteria will cause which of the following types of infection? A) acute B) endogenous C) exogenous D) chronic
b
Rickettsia grow only as A) thermophiles B) parasites C) saprophytes D) autotrophs
b
Rocky Mountain spotted fever is caused by A) Rickettsia conorii B) Rickettsia rickettsii C) Rickettsia tsutsugamushi D) Coxiella burnetii
b
The autoclave usually generates a temperature of about A) 100 degrees F B) 121 degrees C C) 200 degrees C D) 121 degrees F
b
The causative organism in primary atypical pneumonia is: A) Epstein-Barr virus B) Mycoplasma C) Staphylococcus aureus D) Streptococcus pyogenes
b
The disinfection process is aimed at: A) Antiseptic conditions B) Destruction of pathogenic agents C) Sterilization of all materials D) None of these
b
The relationship between two organisms which results in a condition that neither of them could achieve alone is: A) commensalistic B) symbiotic C) ammensalistic D) antagonistic
b
The spread of microorganisms from host to host by food, milk and water is what mode of transmission? A) insect vector-mechanical transmission B) indirect contact C) insect vector-biological transmission D) direct contact
b
Those eukaryotic, true-fungi that reproduce by budding are called A) bacteria B) yeasts C) protozoa D) viruses
b
Ultraviolet rays of sunlight A) are bacteriostatic B) are bactericidal C) are essential for bacterial reproduction D) are essential for bacterial metabolism
b
What infection is one which occurs in an individual who already has an infection of another type? A) exogenous B) secondary C) sporadic D) general
b
What infection occurs as a late complication of another disease and is itself the actual cause of death? A) sporadic B) terminal C) primary D) endogenous
b
What infection occurs in an individual who has no other active infection? A) local B) primary C) general D) secondary
b
What organism causes the condition of lobar pneumonia? A) Streptococcus pyogenes B) Streptococcus pneumoniae C) Treponema pallidum D) Neisseria gonorrheae
b
What term refers to the invasion of the body by macroscopic parasites? A) Contamination B) Infestation C) Infection D) Virulence
b
What type of bacteria grows best between temperatures of30 degrees celsius and 40 degrees celsius? A) Cryophilic B) Mesophilic C) Psychrophilic D) Thermophilic
b
Which of the following organisms has a high lipid or wax content of the cell wall? A) Treponema pallidum B) Mycobacterium tuberculosis C) Neisseria gonorrhea D) Francisella tularensis
b
Which of the following organisms is capable of forming capsules when living as parasites? A) Neisseria gonorrhea B) Streptococcus pneumoniae C) Mycobacterium tuberculosis D) Staphylococcus aureus
b
Which of the following would most likely transmit typhoid fever as a mechanical vector? A) louse B) housefly C) tick D) mosquito
b
Which organism is known as the "true fungi"? A) bacteria B) yeasts C) chlamydiae D) rickettsiae
b
A bacterium which has had its virulence reduced is said to be A) hypertonic B) hypotonic C) attenuated D) organic
c
An agent which liberates gases or fumes for the purpose of destruction of insects and microorganisms is called A) an antiseptic B) a sterilant C) a fumigant D) a disinfectant
c
Local skin abscesses are infections usually caused by the members of the genus A) Mycobacterium B) Streptococcus C) Staphylococcus D) Corynebacterium
c
Rabies is also called A) rhinitis B) coryza C) hydrophobia D) parotitis
c
Spherical shaped bacteria that form grape-like clusters are called A) bacilli B) streptococci C) staphylococci D) cocci
c
Streptococcus pyogenes is responsible for the infectious disease A) meningococcemia B) ophthalmia neonatorum C) rheumatic fever D) pertussis
c
The causative organism for Tetanus is from the Genus: A) Mycobacterium B) Rickettsia C) Clostridium D) None of these
c
The disease known as "Ebola" is caused by which of the following types of organisms? A) bacteria B) fungus C) virus D) protozoa
c
The inhibition of bacterial growth and reproduction without necessarily destroying the organisms is the result of A) a bactericide B) a sterilant C) an antiseptic D) a disinfectant
c
The prefix "staphylo" refers to an organism's tendency to A) form pus B) have a spherical shape C) occur in grape-like clusters D) remain localized in infections
c
The reduction of surface tension is significant in the disinfection process because it allows for the: A) use of a broader range of chemicals B) expenditure of less money in the disinfection process C) maximum contact with surfaces being disinfected D) conversion from an alkaline to an acid environment
c
The type of immunity that is inherited is called A) acquired B) active C) innate D) passive
c
Those organisms that produce by budding are A) protozoa B) bacteria C) fungi D) viruses
c
What are poisonous substances produced by bacteria and released only when the bacterial cells die and disintegrate? A) endospores B) exotoxins C) endotoxins D) capsules
c
What disease is caused by Francisella tularensis? A) parrot fever B) scarlet fever C) rabbit fever D) puerperal fever
c
What infection is one caused by two or more different organisms at about the same time? A) local B) focal C) mixed D) terminal
c
What is a condition in which bacteria are found in the blood but not multiplying there? A) septicemia B) toxemia C) bacteremia D) sapremia
c
What type of infection spreads from one spot of infection to cause other spots of infection in the body? A) local B) epidemic C) focal D) acute
c
Which of the following diseases is not protected against by the MMR vaccine? A) German measles B) measles C) Rocky Mountain Spotted fever D) Epidemic parotitis
c
Which of the following does NOT play a part in the transmission of salmonellosis? A) flies B) food C) virions D) water
c
Which of the following is NOT a characteristic of viruses? A) they are obligated parasites B) they are the smallest of all living organisms C) they are obligate saprophytes D) they develop within the cell
c
Which of the following is caused by a rickettsia? A) rabies B) tuberculosis C) Rocky Mountain Spotted Fever D) poliomyelitis
c
Which of the following is classified as viscerotropic? A) smallpox B) chickenpox C) hepatitis D) measles
c
Hemolysins and leucocidins are classified as A) vaccines B) antibodies C) immune serums D) bacterial toxins
d
In the terminal disinfection process, the embalmer should consider which of the following qualities of the disinfectant: A) readily available B) broad spectrum (kills a lot of different kinds of microorganisms) C) low toxicity (not so harmful to other materials or tissues) D) all of these are important considerations
d
Ophthalmia neonatorum is an infection caused by a species of bacteria which is a member of the genus A) Mycobacterium B) Corynebacterium C) Treponema D) Neisseria
d
Oral and vaginal thrush are caused by A) Treponema pallidum B) Aspergillis negri C) Streptococcus aureus D) Candida albicans
d
The destruction of all microorganisms and their products is termed A) bacteriostasis B) antisepsis C) disinfection D) sterilization
d
The most common mode of transmission for tuberculosis is A) water B) genitourinary secretions C) soil D) droplet E) biological vector
d
The serum derived from an animal that has been immunized to an infectious disease and is used to confer immunity to others. including humans, is called A) a vaccine B) antitoxin C) an antibiotic D) antiserum
d
The type of lesion most closely associated with tuberculosis is A) an abscess B) a boil C) a pseudo membrane D) a tubercle
d
Those bacteria that may be capable of forming spores are called A) spirochetes B) cocci C) vibrio D) bacili
d
Vibrio cholerae are bacteria responsible for the infection called A) anthrax B) pertussis C) infectious jaundice D) Asiatic cholera
d
What term is defined as the degree of the ability of a microorganism to cause disease? A) infestation B) infection C) pathogenicity D) virulence
d
What type of substance is secreted by a living cell that can bring about chemical changes in another substance without undergoing any substantive change themselves? A) antibodies B) endotoxins C) exotoxins D) enzymes
d
Which of the following is NOT a fungal infection? A) Aspergillosis B) Coccidioidomycosis C) Candida D) Giardiasis
d
Which of the following is an example of a fomite? A) mosquito B) droplet spray C) housefly D) coffee cup
d
Which of the following is caused by a member of the genus Staphylococcus? A) leprosy B) bubonic plague C) Typhus fever D) food poisoning
d
Which of the following is most efficient in destruction of microorganisms? A) dry heat between 100 and 200 degrees Fahrenheit B) boiling water C) below the freezing temperature of water D) steam under pressure
d
Which of the following is true of a carrier? A) may have never had the disease that is being carried B) may have had the disease and recovered C) exhibits no symptoms of the disease D) all of these
d
Which of the following organisms is the causative agent for a venereal disease? A) Klebsiella pneumoniae B) Leptospira interrogans C) Yersinia pestis D) Treponema pallidum
d
Which of the following requires living cells for growth? A) fungi B) protozoa C) bacteria D) viruses
d
Which of these is an example of a physiological defense mechanism of the body against infection? A) gastric juices B) intact mucous membranes C) honey encasement D) inflammation
d
Which of these is the causative agent of dysentery? A) Chlamydia trachoma B) Rickettsia rickettsii C) Bacillus anthracis D) Entamoeba histolytica
d
Which one of the following diseases is caused by a spiral-shaped organism? A) Tetanus B) Chancroid C) Gonorrhea D) Syphilis
d
Which structure functions to protect the organism and to enhance its virulence? A) flagella B) cell wall C) cytoplasm D) capsule
d
