the body's process of becoming resistant to a particular disease after acquiring the disease from a vaccination is called what?
acquired immunity
100
blood pooling in tissues can help determine the position of the body at time of death because.....
livor mortis causes blood to settle in the lowest parts of the body which causes a discoloration
100
DNA segments at the end of a chromosome that play a part in cell age are called....
telomeres
200
what are the best surrogates of humans to use for research
animals
200
tears, saliva and nasal secretions are what?
natural defense mechanisms in the body
200
most common symptoms of tuberculosis patients?
cough, weight loss, night sweats and fever
200
what tool is used to test if your urinalysis results are normal
reference range
200
what agency makes annual unannounced inspections of biomedical research labs?
USDA
300
last stage of research and involves humans
clinical research
300
last reported case of this disease was in 1977
smallpox
300
globally the leading cause of death is
infectious disease
300
time frame in which the human body will begin to display rigor mortis
2 to 6 hours
300
reproductive cloning as also called...
adult stem cell transfer
400
julio is a researcher and has been assigned to collect statistical data on the zika virus. what level of research is he working on if his findings will be used to develop a vaccine or new treatment?
applied research
400
beth's breast cancer has spread to her bone, her cancer is now what?
metastatic
400
the investigation of drugs and poisons in the body is what type of study?
toxicology
400
what agency enforces the animal welfare act
USDA
500
which type of study is the human equivalent of animal testing and is used to provide or withhold a substance to determine its toxic or beneficial effects?
experimental epidemiology
500
during what phase of tumor development is the mass considered malignant?
invasive
500
after cancer diagnosis fair skin and the BRCA1 and BRCA2 are examples of....
inherited predispositions
500
what is most helpful about the info gathered from a victims stomach or intestines?
the information helps determine time of death
500
what system in the human body can recognize foreign cells like cancer cells?