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Quiz 3 Microbio
123-456-789 questions for midterm
76
Microbiology
Undergraduate 1
01/13/2025

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Term
Considered to be the father of the study of genetics
Definition
Gregor Mendel
Term
An organism's complete set of genetic material, including all of its genes is call a:
Definition
Genome
Term
The formation of a new combination of genes through either natural or artificial means is called
Definition
Recombination
Term
Method of bacterial genetic transfer that involves the exiting of DNA from one cell into the extracellular environment and eventually being taken up by another cell and incorporated into the genome of the other cell
Definition
transformation extracell
Term
Method of bacterial genetic transfer that occurs by specialized plasmids (call conjugative plasmids) transferring themselves to another bacterial cell
Definition
Conjugation
Term
Method of bacterial genetic transfer that occurs when bacteriophages (viruses that infect bacteria), reproduce themselves
Definition
Transduction
Term
Method of bacterial genetic transfer that occurs when bacteriophages (viruses that infect bacteria), incorporate their DNA into the host bacterial chromosome, become latent, and not cause lysis of the cell
Definition
Lysogenic conversion
Term
The relationship between the bacteriophage and its host cell is called
Definition
Lysogeny
Term
Artificial transformation is accomplished via:
Definition
recombinant technology
Term
A change in the base sequence of DNA causing a change in the gene that is made from that segment of DNA is called a:
Definition
mutation
Term
An agent that induces genetic mutation is called a:
Definition
mutagen
Term
All of the following are forms of mutagens except:
Definition
natural mutagen
Term
What was the first virus discovered?
Definition
tobacco mosaic virus
Term
What is the most commonly transmitted virus and is referred to as "the common cold"
Definition
rhinovirus
Term
This virus causes a disease that is now vaccine-preventable
Definition
poliovirus
Term
All the following belong to the living empire except:
Definition
viruses
Term
It is estimate that 90% of the world population has been infected with ____
Definition
Epstein-Barr Virus
Term
Which of the following hepatitis viruses are healthcare workers specifically vaccinated against?
Definition
HBV
Term
Which type of inclusion bodies are found in individuals with herpes?
Definition
Cowdry type A
Term
A disease that is constantly present in a region but with the involvement of a relatively few numbers of people is classified as:
Definition
Endemic
Term
The ability for a pathogen to invade a host and cause disease is called:
Definition
Virulence
Term
Sources or holding areas for pathogens are called:
Definition
reservoir
Term
Reservoirs that are inanimate objects are called:
Definition
fomites
Term
What is the Portal of Entry for Staphylococcus aureus?
Definition
skin
Term
The Portal of entry that serves as the easiest and most common route of penetration into a susceptible host's body:
Definition
Respiratory tract
Term
Which microbe can grow in the presence or absence of oxygen?
Definition
Facultative anaerobe
Term
On a graph displaying bacterial growth, a straight upward line represents what phase of growth?
Definition
Log Phase
Term
Which organelle forms ATP by cellular respiration?
Definition
Mitochondria
Term
What term refers to bacteria that have a round shape?
Definition
coccus
Term
Which staining technique is utilized to test for bacteria capable of forming protective coats that protect it from heat, many chemicals, and desiccation like Bacillus Cereus
Definition
Spore stain
Term
Which bacterial arrangement is characterized by clusters or bunches?
Definition
Staphylo-
Term
Bacilli are ____ shaped.
Definition
Rod
Term
Which of the following bacteria is a Diplococci?
Definition
Neisseria meningitidis
Term
What is the normal indigenous microflora on the skin?
Definition
Staphylococcus Aureus
Term
The term that describes a community of all living organisms in conjunction with all non-living components of their shared environment:
Definition
An ecosystem
Term
Which type of bacteria have a comma shape?
Definition
Vibrio
Term
Microorganisms which thrive in or have a nutritional requirement for increase or high concentrations of carbon dioxide in the atmosphere?
Definition
capnophiles
Term
Which staining technique is utilized to test for Mycobacterium tuberculosis?
Definition
Acid-fast stain
Term
In which phase of bacterial growth would cells become accustomed to their environment?
Definition
Lag time
Term
What are single-celled protozoa often found in soil and water, which utilizes pseudopods for movement?
Definition
Amoebas
Term
Prokaryotes differ from eukaryotes because they:
Definition
Do not have membrane bound organelles
Term
Which type of inclusion bodies are found in individuals with herpes?
Definition
Cowdry type A
Term
The term viability refers to:
Definition
The ability to survive, grow, develop, and potentially reproduce
Term
Which of the following would require oxygen to live?
Definition
Obligate aerobes
Term
Which of the following have the ability to grow without oxygen but are not killed by it?
Definition
Aerotolerant anaerobes
Term
Which of the following grows best in a CO2 rich environment?
Definition
Capnophiles
Term
An individual that has been exposed to the black rabies virus would have which of the following inclusion bodies? black
Definition
Negri
Term
An individual that has been exposed to the *Kings Guard* Smallpox (Vaccinia) virus would have which of the following inclusion bodies? *guard up*
Definition
Guarnieri
Term
The term pathogenicity refers to:
Definition
The ability to or process of producing pathological changes
Term
On a graph displaying bacterial growth, a straight downward line represents what phase of growth?
Definition
The death phase
Term
What pioneer of microbiology was the first to use the word "cell"?
Definition
Robert Hooke cell name
Term
Which pioneer of microbiology is credited with the implementation of hand-washing techniques that reduced the transmission of puerperal fever?
Definition
Ignaz Semmelweiss crazy death hand wash
Term
Which pioneer of microbiology is credited with the discovery of vaccines and inoculations?
Definition
Edward Jenner d. vaccines
Term
Which pioneer of microbiology is credited with the discovery of pasteurization?
Definition
Louis Pasteur
Term
Which pioneer of microbiology was the first to record protozoa and bacteria, and made the first accurate drawings of various types of bacteria?
Definition
Antoine van Leeuwenhoek
Term
Who was credited with first-time recognition of the coronavirus through the use of an electron microscope? bros birth month
Definition
June Almeida sars
Term
Which pioneer of microbiology is credited with the establishment of aseptic technique in the operating room and was a proponent of wearing gloves during surgery, changing gowns between cases, and cleaning and disinfecting instruments before using them on the next patient? Q2
Definition
Joseph Lister
Term
In 1944, Elizabeth Bugie helped develop which antibiotic to treat tuberculosis?
Definition
Streptomycin
Term
Which color of stain is used in the gram staining process to detect Gram positive bacteria?
Definition
Crystal violet
Term
Which form of staining technique is used to test for Mycobacterium tuberculosis? 2
Definition
Acid-fast staining 2
Term
Blood agar is a type of:
Definition
Enriched media
Term
What is the scientific theory that all living things are made up of structural and functional units called cells?
Definition
Cell theory
Term
The clarity of the image and the ability to distinguish objects a specific distance apart is known as:
Definition
resolution
Term
Which type of microscope brings refracted and unrefracted light rays into synchronization for better image resolution?
Definition
Phase contrast
Term
Which type of microscope is fitted with special filters and subjects specimens to ultraviolet light?
Definition
Fluorescence
Term
Which type of microscope is used when microbes are not visible with light microscope or cannot be stained?
Definition
Dark-field
Term
Which of the following are classified as acellular and classified as either being DNA or RNA based?
Definition
Viruses
Term
Non-living proteins responsible for incurable, fatal diseases of the central nervous system:
Definition
Prions
Term
What is the scientific theory that pathogenic microorganisms are the cause of disease and illness?
Definition
Germ theory
Term
If an organism thrives in the presence of oxygen it is classified as:
Definition
Aerobic
Term
What is a set of practices that are utilized in the perioperative setting by surgical team members which prevents or minimizes contamination and the transmission of pathogenic microbes?
Definition
Aseptic technique
Term
What is the sequence of steps for experimentally demonstrating in the laboratory that a specific microbe causes a specific disease?
Definition
Koch's postulates
Term
A bacterial colony growth provided with optimal nutrients in a controlled environment is known as?
Definition
Culture
Term
Which of the following is a Transmissible Spongiform Encephalopathy?
Definition
CJD Creutzfeldt-Jakob Disease
Term
What is the laboratory testing that uses antisera to identify a particular bacterium, antibody, or hormone?
Definition
ELISAs
Term
___ is a complex protein with the ability to induce chemical change without being changed itself
Definition
enzyme
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