Quiz Questions Flashcards
What is the correct sequence for the different classification levels of an organism, going from largest grouping to the smallest?
Domain, Kingdom, Phylum, Class, Order, Family, Genus & Species
What is the correct sequence for the different classification levels of an organism, going from smallest grouping to the largest?
Species, Genus, Family, Order, Class, Phylum, Kingdom and Domain
What is diffusion?
The movement of molecules through a semi-permeable membrane from an area of higher concentration to an area of lower concentration.
What process of transport requires energy?
Active Transport
When a molecule enters a cell via the proteins on its membrane, it has undergone.
Facilitated diffusion
It is the relative power of a pathogen to cause disease
Virulence
A type of relationship between organism in which one organism benifits and the other neither benefits nor is harmed is:
Commensalism
A type of relationship between organism in which one organism is harmed by the presence of the other
Parasitism
These organisms are smaller than bacteria, consist of DNA and RNA and enters the host cell.
Virus
Parasitic worms in the medical profession are called:
Helminths
A laboratory technique used to identifybacteria which consist of staining bacteria with violet and red stains:
Gram stain
Organisms that require oxygen in order to reproduce:
Aerobic
A type of bacterial morphology that present as a sphere or round forms
Cocci
A type of bacterial morphology that present as a rod or cylinder forms
Bacilli
Short, slightly bent, comma shaped rods
Vibrio
A bacterial structure that resist boiling, and most chemical disinfectants.
Specialized structure of bacteria that resist boiling and most chemical disinfectants.
Spores
A type of bacterial toxin that are contained in the cell wall and are released only when the bacterial cell dies and desintegrates:
Endotoxin
A bacterial structure that surrounds the bacterial cell, increases the virulence and aids in identification:
Capsules
Vaginitis in women is caused by:
Type of vaginitis with profuse, cream-colored, foul-smelling discharge is caused by:
Trichomonas vaginalis
Organisms that are the simplest forms of animal life, unicellular, and generally infect humans through contaminated food or water:
Protozoans
Virus that affects the immune system:
Immunotrophic
Virus that affects the skin and mucous membranes
Dermotrophic
A type of bacterial toxin that diffuses out of an intact bacterial cell wall and are the most potent toxin:
Exotoxin
A type of bacteria that require living or dead organic matter for food and are pathogenic:
Heterotrophic
True concerning growth requirements of bacteria except
grows best in highly acidic environment
True:
Most bacteria grow best in neutral pH
Most bacteria grow best in normal body temperature
Most bacteria are killed by direct sunlight
Hair like processes that cause the bacteria to move along in liquid by their wave like rhythmic contactions.
Hair-like bacterial structure that cause the bacteria to move along in liquid:
flagella
Organisms that are capable of infecting humans, lacks clorophyll and includes yeast and molds:
Fungi
Any disease induced by fungus
Mycosis
Disease causing microorganism
Pathogen
Organism that lives within, upon, or at the expense of another living organism
Parasite
How does oxygen & carbon dioxide diffuse?
Passively through the cell membrane. Filtration across special capillaries in the kidneys.
A type of relationship between organisms that is beneficial to both is:
Mutualism
Microscopic plant life such as bacteria which are adapted to residing in a given area of the body during health are part of the:
Normal flora
Spherical organisms that cling together in long chains:
Streptococci
Pathogenic Coccus that causes most post operative wound infections:
Staphylococcus aureus
Pathogenic Coccus that causes bacterial meningitis:
Neisseria meningitidis
These organism are smaller than a bacteria but bigger than a virus and are transmitted by vectors like lice, mice, fleas, rats and ticks.
Rickettsiae
True about viruses:
Common cold is produced by a virus
Smallest organism known
Intracellular parasites
These microorganisms do not normally invade tissue but are capable of causing infection or disease when introduced mechanically or when host resistance is lowered
Opportunistic
These are persons who harbor pathogens without being sick themselves and shed organisms into the environment
Carriers
It is a type of infection that is inactive or hidden with no apparent symptoms
Latent
It is a type of infection that is caused by more than one organism
Mixed
It is a type of infection that runs a rapid and severe course ending aburptly
Acute
It is a type of infection that runs a slow course over a long period of time
Chronic
Which of the following IS NOT found in vaccines
Living active pathogens
It is a type of infection that is contracted in a hospital or other health-care facility.
Nosocomial
Period of time between entrance of organism to the body and onset of symptoms in a host
Incubation
Which is NOT a direct contact transmission?
eating contaminated food
vectors
fomites
Animals or insects that transmits pathogens from infected to noninfected individuals
Vectors
Describes the host that is not susceptible to specific disease like Hepatitis B.
Immunity
It is the act of engulfing a foreign particle or bacteria by leukocites like nuetrophils and monocytes
Phagocytosis
A protein substance developed by the body in response to the presence of an antigen and to counteracts it.
Antibody
Involves the production of T cells in response to exposure to an antigen
Cell mediated immune response
It is when the body produces its own antibody in response to antigens
Active immunity
Type of immunity when the individual contracts a disease, and then produces antibodies against that specific disease.
Naturally acquired active immunity
When an individual is administered a vaccine; the body then produces antibodies to the antigen
Artificially acquired active immunity
Type of immunity when antibodies from an outside source are introduced into the body and the body does not have to produce its own antibodies (Mother’s breast milk to infant)
Naturally acquired passive immunity
Denotes the spread of contagious disease by some medium other than directly touching an infected person
Indirect contact
A type of white blood cell that assists in immunity and includes T cells and B cells
Lymphocytes
Used instruments after a surgical procedure are potencially considered:
fomites
Example of symptoms of acute inflammatory response.
redness
impaired function
pain
Pathogenic Bacilli that cause gas gangrene:
Clostridium perfringens
This virus causes Shingles
Varicella - zoster
An invasion of the body by micro-organisms and the reaction of the body to the presence of the invading pathologic organisms is called
Infection
This is a short period, usually a day or less, when the infection has been established but symptoms are not fully developed.
Prodromal
This is the period of actual illness.
Acute
Which of the following is a bloodborne pathogen?
HBV
HCV
HIV
What link of the chain of infection is broken when a patient with common cold wear a facial mask.
portal of exit
What link of the chain of infection is broken when you are vaccinated and become immune to hepatitis B.
susceptible host
Which of the following is a body’s defense against specific agents or microorganisms.
Immune response
