BIOL 210 Ch. 13 Learnsmart and quiz

73 terms by mandercruso

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infectious dose

the minimum amount of microbes in the inoculating dose


diseases that cause long-term or permanent damage leave

biological vectors

animals that participate in the life cycles of pathogens and transmit pathogens from host to host are


occurs when pathogens enter and multiply in body tissues

microbial antagonism

the effect of "good" microbes against invading microbes is called


dissolve fibrin clots


is indicative of gram negative organisms


the subjective evidence of disease as sensed by the patient is termed


is not a resident biota of the skin


is an endotoxin


leukopenia is the __ in the level of WBCs in a patient


not a method of adhesion

opportunistic pathogens

cause disease in a compromised individual

the patient's own normal biota

endogenous infectious agents arise from microbes that are

period of invasion

the stage of an infectious disease when specific signs and symptoms are seen and the pathogen is at peak activity


exotoxins are


once a microbe has entered a host, what process performed by certain WBCs will attempt to destroy the microbes?

streptococcus, haemophilus, bacteroides, lactobacillus

resident biota of the GI tract include


an animal, such as an arthropod, that transmits a pathogen from one host to another is a


which genus is the most common resident biota of the mouth


the intermediary object or individual from which the infectious agent is actually acquired is termed the


the primary, natural habitat of a pathogen where it continues to exist is called the


local edema, swollen lymph nodes, fever, soreness, and abscesses are indications of


the objective, measurable evidence or disease by an observer is termed a


a bacterial toxin that is not ordinarily released but instead is an integral part of gram-negative cell walls


is an increase in the number of circulating WBCs


is a decrease in the number of circulating WBCs


the human body usually __ resident biota in tissue with contact to the outside and body fluids in exposed body cavities


the presence of viable, but not necessarily multiplying, bacteria in circulating blood


a state of inactive infection


a __ disease is an infectious disease that does not arise from host to host transmission

immunocompromised; sterile

normal biota can cause infection and disease when the person is __ and when the normal biota is introduced to a previously __ site.


the agent that causes an infection and disease is most commonly referred to as the __ agent


a __ infection occurs when an infectious agent breaks loose from a localized infection and is carried by the circulation to another tissue

convalescent period

the time period where a patient is recovering from an infection


the general term for an inanimate material (solid object, liquid, or air) that serves as a transmission agent for pathogens


a live animal that transmits an infectious agent


a toxin, usually protein, that is secreted an acts upon a specific cellular target


any inanimate objet that can serve as a vehicle for the spread of disease when contacted by an infected individual

find evidence, isolate, inoculate, reisolate

koch's postulates in order


the GI tract is the portal of entry for pathogens contained in __ substances


the accumulation of excess fluid in cells, tissues, or serous cavities


any subjective evidence of disease that is sensed by the patient


defined as the death and disintegration of cells and tissues


the natural, nonspecific response to tissue injury or infection to protect the host from further damage


the first infection that predisposes the patient to further infection is called the __ infection


if an agent is transferred from an infected person to another person without an intermediate object, substance, or space, it is said to be __ transmission


short appendage on some pathogenic bacteria that provides adhesion to host cells


__ carrier is a person with an inapparent infection who shows no symptoms of being infected yet is able to pass the disease agent on to others


a broad concept that describes an organism's ability to cause disease


the largest number of pathogens enter the body thru the __ tract


an individual who shelters an infectious agent long after recovery is called a __ carrier


an infection that develops while being treated at a hospital or medical facility

universal precautions

the CDC Guidelines for handling of patients and body substances are referred to as the


the presence of viruses in the stream

intact skin

is not a common site of entry thru the skin


WBCs capable of engulfing other cells and particles


the number of persons who have died as the result of a particular cause is referred to as the __ rate


__ disease is characterized by rapid onset and short duration

period of invasion

the time period during a clinical infection when the infectious agent multiplies at high levels and obvious signs and symptoms are present


the pathologic state involving the disruption and destruction of tissues by microbes


an infectious agent that originates from outside the body is called

virulence factor

any characteristic or structure of a pathogen that allows it to establish itself in a host or cause damage to the host


__ can be characterized as any deviation from the healthy state

portal of exit

the route thru which a pathogen departs from the host organism


an infection indigenous to animals but naturally transmissible to humans


long term microbial inhabitants of the skin and exposed mucosa, that generally do not cause disease in the host are called __ biota


a systemic infection associated with microorganisms multiplying in circulating blood

infectious dose

the minimum number of a microbe that must enter the body in order to cause infection

sneezing and coughing

respiratory pathogens can exit the body most effectively by


have effects on specific cell types


have systemic effects such as fever, inflammation, diarrhea, and shock


the spread of an epidemic across continents

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