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Bio-Med Unit 1 Test
Terms in this set (29)
What are the 5 basic tasks that need to be completed to properly process a crime scene?
Interview, examine, photograph, sketch and collect the evidence. The order of these tasks may vary depending on the situation.
a. 911 Operator
c. Crime Scene
d. Blood Spatter Analyst
e. Forensic DNA Analyst
f. Medical Examiner
h. Morgue Assistant
a. The one that responds to the emergency call.
b. Emergency medical technician.
c. The one who investigates the scene.
d. The one who examine blood patterns.
e. The one who identifies individuals by characteristics of their DNA.
f. The one who investigate deaths that occurred in unusual or suspicious circumstances.
g. The one who research and monitor effects of chemicals on human bodies.
h. The one who assist pathologists in preparing bodies and organ specimens for examination.
PPE (Personal Protective Equipment)
Gloves-Goggles-Apron-Wash hands. It is important because one does not want to spread chemicals from the lab to elsewhere.
What are the common uses for acetylsalicylic acid (aspirin)?
It is used to reduce fever, relieve moderate pain and reduce minor swellings or aches.
A, B, O, AB
AB - Can receive any type of blood, but can only donate to other type AB people.
O - Can only receive type ) blood but can donate to anyone.
List the 3 layers of hair shaft. What is keratin?
Cuticle (outermost), cortex (intermediate) and medulla (innermost). Keratin is a protein that makes up hair.
Fingerprint patterns. What is minutiae?
Plain Arch - starts on 1 side and cascades upward
Tented Arch - thrusts upward in the middle
Radical Loop - slope toward thumb
Ulnar Loop - slope toward little finger
Whorl - circular/spiral patterns
A minutiae is the tiny fingerprint ridge details. Ex. 12 minutiae is 12 Point Match
What are the 4 basic bioethical principles?
Respect, Beneficence, Non-maleficence, Justice.
What is algor mortis?
The change in temperature after death. It decreases until it matches the ambient temperature.
What are signs of death? What factors influence algor mortis? What is the Glaister Equation?
Increased pain, changes in blood pressure, respiratory rate, heart rate etc. The thickness of clothing, ambient temperature, drugs, etc. affects algor mortis.
98.4 - rectal temperature in Fahrenheit/1.5
What is the effect of height on diameter of blood spatter?
The larger the height, the larger the diameter of the blood spatter will be.
What is nucleotide?
Building blocks of DNA/RNA and consists of bases; adenine, thymine, cytosine and guanine. It also consists of a sugar, a phosphate and one base.
What are purines and pyramidines?
A purine consists of adenine and guanine while a pyramidine consists of thymine and cytosine.
What is gel electrophoresis?
It is a laboratory method used to separate mixture of DNA, RNA or proteins according to its molecular size. The molecules are separated and are pushed by an electrical field through a gel that contains small pores.
What is restriction endonuclease?
An enzyme produced by bacteria that cut DNA molecules at a certain place.
What is Restriction Fragment Length Polymorphisms?
It is the variation in length produced by a restriction enzyme.
What is DNA fingerprinting?
It is a test to identify/evaluate the genetic information.
What is DNA profiling?
It is the analysis of DNA from samples of body tissues or fluids in order to identify people.
What is the polymerase chain reaction (PCR)?
Technology in molecular biology used to copy small segments of DNA.
Lungs, airway and muscles of respiration
Heart blood vessels, arteries, capillaries and veins
Kidneys, ureters, bladder
Stomach, small/large intestine, rectum
Thymus, spleen, tonsils, appendix
Skin, hair, nails, exocrine glands
Brain, spinal cord
Thyroids, parathyroids, adrenals, pancreas, pituitary
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