Chapter 15 Flashcards
(21 cards)
The easiest and most frequently traveled portal of entry for infectious microorganisms.
respiratory tract
The degree of pathology of an organism is known as the
virulence
Which one of the following is NOT an example of the parenteral route of entry?
conjunctiva
What is the preferred portal of entry for chlamydia?
genitourinary tract
Communities of microbes that cling to surfaces and share available nutrients are called..
biofilms
The outer portion of Gram-negative cell walls contain..
endotoxins
What is the action of bacterial kinases?
to breakdown fibrin
Exotoxins that attack liver cells are known
hepatotoxins
Proteins secreted by pathogens that bind iron are known as…
siderophores
Toxins produced by some gram-negative bacteria that damage DNA are called
genotoxins
Which virus irreversibly stops mitosis?
Herpes simplex virus
Substances produced by virus-infected cells that protect neighboring uninfected cells from infection are called..
interferons
Which one of the following refers to the visible effects of a viral infectionA?
cytopathic effects
What are the granules found in the cytoplasm or nucleus of some virus-infected cells?
inclusion bodies
Viruses that transform cells by causing loss of contact inhibition result in
unregulated cell growth
Which one of the following is NOT a way fungi cause disease?
by using antigenic variation
Arthropods provide a portal of exit for microbes via the…
blood
Sneezing is a portal of exit of microbes from the
respiratory tract
Pathogens that are discharged from the respiratory tract can cause which of the following diseases?
whooping cough
Infections transmitted from the skin include..
warts
Septic shock can result from using antibiotics to treat..
gram-negative bacterial infections
