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