Once pathogens have entered the host, adhered to host cells, and invaded host tissues, what also occurs within the body prior to a disease being diagnosed?
The pathogen inflicts damage on those tissues.
What does a biopsy usually reveal about a specimen taken from a human?
Whether the tumor is cancer.
The Latin term mortis refers to:
Death
Someone who develops Legionnaire's disease been exposed to what microorganism?
Bacteria
Pneumocystis carinii pneumonia as a result of being HIV positive is described as an ___________ infection:
Opportunistic
Cancer patients rely on the public to have what type of immunity to protect them from diseases?
herd immunity
A farmer reports that a cow on his farm began acting strangely and died a short time later. A brain tissue sample showed holes throughout the tissue. Which infectious agent is most likely responsible?
Prion
Which individual may be called upon to test body fluids or tissue samples when a poison or drug overdose is suspected?
Forensic Toxicologist
Some infections are not virulent. What does this mean?
The disease is not likely to spread and cause multiple people to get sick.
Open wounds or skin are what part of the chain of infection?
Portal of entry
Which level of law mandates sewage treatment?
The Federal Government.
In order to reduce false positive results, what may a doctor want to know before selecting a diagnostic test?
Specificity
The toxicologist needs to separate blood into plasma and cellular components. Which instrument is needed to accomplish this goal?
Centrifuge
Humans are the only organism affected by the measles virus. What role in the chain of infection do humans play in this cycle?
reservoir
Name 3 natural defense mechanisms within the body:
Tears, saliva, and sweat.
A team of researchers is dispatched to South America to study the occurrence of the Zika virus within that region's population. This an example of what type of studies ?
epidemiology studies
The lab technician first visually inspects the sample, then performs a series of chemical tests. If abnormalities are noted, the technician then utilizes a microscope to look for cells, microorganisms, and crystals. What body fluid is the technician testing?
Urine
Dean has been called to work because a body or part of a body has been found in an advanced state of decay. When he arrives on scene, Dean will offer assistance in identifying bodily remains. Dean is a:
Forensic Anthropologist.
Which pathogen is treated with medications that may be highly toxic to humans?
Bacterium
Molly was diagnosed with trichinosis. How did Molly most likely acquire this disease?
Eating under-cooked or raw meat.
The body's process of becoming resistant to a particular disease after acquiring the disease from a vaccination is termed:
Acquired Immunity.
So that people can find out whether they have inherited genes that affect their risk for many diseases and other conditions, the United States enacted what law?
Genetic Information Nondiscrimination Act.
The SOP of a forensic autopsy is to begin by examining the:
Exterior of the body.
Milk pasteurization is an example of what type of program?
Food Safety
The best way to break the chain of infection is for a health care worker to:
Wash their hands.