HSC 4500 Exam 3

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The ability of a test to actually measure what it is supposed to measure is called:

validity

A _____ is an animate, living insect or animal that is involved in the transmission of disease agents.

vector

The ability of the polio virus to enter and multiply within a susceptible host is _____.

infectivity

In the mid-1800s, John Snow used a method known as case mapping to identify the location of cholera cases. Today, the process of case mapping is facilitated by computer hardware and software known as:

Geographic Information Systems (GIS)

The _______ is used when the occurrence of disease among a population at risk increases greatly over a short period of time.

attack rate

Which of the following is NOT an example of a vector-borne disease?

botulism

______ identifies populations exposed to a toxicant, describes their composition and size, and examines the roots, magnitudes, durations, and frequencies of such exposures.

exposure assessment

The Centers for Disease Control and Prevention, as an agency that is focused strictly on the surveillance and reporting of diseases and health-related events, does not make recommendations as to the cost-effectiveness of various public health programs.

false

_________ examines the evidence that associates exposure to an agent with its toxicity and produces a quantitative judgment about the strength of that evidence.

hazard identification

_________ is based on the concept that if a population or group is mostly protected from a disease by immunity, there is a limited chance that a major epidemic will occur within this group or population.

herd immunity theory

The term _________ denotes the time interval between invasion by an infectious agent and the appearance of the first signs or symptoms of the disease.

incubation period

Which of the following is NOT an example of a food-borne illness?

leishmaniasis

_________ is the illicit drug that is used most commonly among all persons aged 12 or older.

marijuana

In studying infectious diseases, the term agent in the epidemiologic triangle is equivalent to which of the following:

microorganism

A BMI of 25.0-29.9 classifies an individual as being _______.

overweight

Immunity to a disease that results from the trans- placental transfer of antibodies from the mother to her unborn child is an example of:

passive immunity

The "repeatability" of a test or how well the test performs in use over time is called:

reliability

The ability of a test to correctly identify those with the disease is:

sensitivity

Which of the following is NOT an example of a VPD?

streptococcal pharyngitis

Which of the following terms applies to infections in certain persons (hosts) that do not demonstrate any obvious clinical signs or symptoms of disease.

subclinical

Which of the following best represents a fomite?

toothbrush

Among children, exposure to secondhand smoke increases the risk for sudden infant death syndrome and ear problems.

true

Among women, binge drinking is defined as consuming more than three drinks during a single occasion.

true

The severity of the disease produced by an organism is termed:

virulence

Rabies is an example of a(an) ___________ disease.

zoonotic


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