Chapter 14
Which of the following phrases describes a contagious disease
A disease that is easily passed from host to host in aerosols
Group A streptococcus is camouflaged from phagocytes by
A hyaluronic acid capsule
The nature of bacterial capsules
Affects the virulence of these bacteria
A drug commonly used to test systemic fungal disease is
Amphotericin
Which of the filling types of epidemiologist is most like a detective
An analytical epidemiologist
Infections that may go unnoticed due to the absence of symptoms are called
Asymptomatic or subclinical
Phagocytes of the epidermis are called
Dendritic cells
Interferons
Do not protect the cell that secrets them, stimulate the activity of macrophages ,cause muscle aches chills and fever
A patient contracted athletes foot after long term use of a medication his physician explained that the malady was directly related to the medication such infections are termed
Endogenous infections
The study of where and when a disease occurs and how they are transmitted within population is
Epidemiology
The study of the cause of a disease
Etiology
Which of the following is not targeted by toll like receptors
Eukaryotic flagellar protein
The alternative complement activation pathway involves
Factors B,D, & P
Nonliving reservoirs of disease such as a toothbrush drinking glass and needle are called
Fomites
The type of interferon present late on an infection is
Gamma interferon
Which term associated with tuberculosis refers to calcified nodules. In the lungs
Ghon complexes
The major cause of bacterial pharyngitis is
Group A streptococcus
The glycoproteins spikes on orthomyxoviruses are composed of
Hemagglutinin or neauraminidase
Which of the following are most likely to cause disease
Highly virulent organisms
Which pathogenic fungus is found in the droppings of bats chicken and blackbirds
Histoplasma capsulatum
Compared to the upper respiratory system the lower system
Is normally devoid of microorganism
Complement must be inactivated because of it were not
It could make holes in the body's own cells
Which of the following statements is the best definition of pandemic disease
It is an epidemic that occurs on more than one continent at the same time
A disease in I which s pathogen remains inactive for a long period of time before becoming active is termed
Latent disease
Endotoxin also known as ____is part of the outer membrane of gram negative bacteria
Lipid A
Chronic
Long lasting and damaging to tissue
Bonus
Mary Mallon Typhoid Mary
Which of the following binds to iron?
Transferrin lactoferrin siderophores
Mucus secreting membranes are found in the
Urinary system respiratory passages digestive cavity
When pathogenic bacterial cells lose the ability to make adhesins they typically
Become avirulent
Roll like receptors act to
Bind microbial proteins and polysaccharides
An animal that carries a pathogen and also serves as host for the pathogen is a ____vector
Biological
The scrip of streptolysin results in
Breaks in the membranes of erythrocytes leukocytes and platelets
The movement of mucus from the lungs to pharynx is due to
Ciliary escalator
An axenic environment is one that
Contains only one species
Diseases that are naturally spread from their usual animal hosts to humans are
Zoonoses
Acute
2nd line of defense by dilation and permeable of blood vessels
____infections are those that acquired by patients or staff while in the health care facility
Nosocomial
The phase of whooping cough in which the characteristic "whoop" is obvious is the
Paroxysmal phase
A microbe that causes disease is called a
Pathogen
The total number of cases of a disease in a given area is its
Prevalence
Acute inflammation
Quickly short lived beneficial
Inflammation
Redness heat swelling and pain
Which of the following is associated with the fusion of neighbor cells
Respiratory syncytial virus
A conditi join adolescents associated with taking aspirin to treat a viral infection is
Reye's syndrome
Fever
Above 37 c
The process by which microorganisms stretch themselves to cells is
Adhesion
Which of the following is the correct sequence of events in infectious disease
Incubation, prodromal period,illness,decline,convalescence
Consider the the following case an animal was infected with a virus a mosquito bit the animal was contaminated with the virus and proceeded to bite and infect a person which was the vector?
Mosquito
Which of the following is false concerning microbial contaminants
Most microbial contaminants will eventually cause harm
In which type of symbiosis do both meme er benefit from their interaction?
Mutualism
The most frequent portal of entry for a pathogen is
The respiratory tract