Sci 114 Final Exam Review Test With
Complete Solutions
What is blood? - CORRECT ANSWER✔✔Blood is a specialized fluid that functions to provide nutrients to
the cells in our body as well as transports waste away for disposal
What are the 2 components is blood made up of? - CORRECT ANSWER✔✔Cellular ( Red and White
Blood cells and Platelets)
Fluid (Plasma)
What are antigens and antibodies are present in type O blood? - CORRECT ANSWER✔✔Zero antigens
Anti-A and Anti-B antibodies
Rh Factor - CORRECT ANSWER✔✔Blood that has the Rh factor is designated Rh+ (positive), while blood
that does not have this factor is designated Rh- (negative)
Therefore, a person's blood type is based on the presence or absence of the AB antigens and Rh proteins
What are 3 presumptive tests for blood and what is indicative of a positive result for each? - CORRECT
ANSWER✔✔Kastle- Meyers (Pink)
Leuco- Malachite (Green)
Luminol/ Bluestar (White/ Blue)
, What is a false positive and a false negative? - CORRECT ANSWER✔✔Pos: Gives a positive result when
the compound of interest is NOT present (being diagnosed with a disease when you do not have it)
Neg: Gives a negative result when the compound of interest IS present (Shows they do not have a
disease when they do)
What are 3 types of blood stains? Give an example of each. - CORRECT ANSWER✔✔1. Transfer - results
from wet blood coming into contact with another surface (Smudges, smears, wipes)
2. Passive - result from gravity (drops, flows, pools)
3. Spatter - result of "spraying or splashing" of droplets that are thrown by some external force (arterial,
cast off, impact)
What is DNA? - CORRECT ANSWER✔✔Aka Deoxyribonucleic Acid
A molecule that carries genetic information
Where is DNA located in the body? - CORRECT ANSWER✔✔Nucleus (chromosomes)
Possible Sources of DNA - CORRECT ANSWER✔✔Blood
Saliva
Hair
Bone
Semen
Teeth
Skin cells
Complete Solutions
What is blood? - CORRECT ANSWER✔✔Blood is a specialized fluid that functions to provide nutrients to
the cells in our body as well as transports waste away for disposal
What are the 2 components is blood made up of? - CORRECT ANSWER✔✔Cellular ( Red and White
Blood cells and Platelets)
Fluid (Plasma)
What are antigens and antibodies are present in type O blood? - CORRECT ANSWER✔✔Zero antigens
Anti-A and Anti-B antibodies
Rh Factor - CORRECT ANSWER✔✔Blood that has the Rh factor is designated Rh+ (positive), while blood
that does not have this factor is designated Rh- (negative)
Therefore, a person's blood type is based on the presence or absence of the AB antigens and Rh proteins
What are 3 presumptive tests for blood and what is indicative of a positive result for each? - CORRECT
ANSWER✔✔Kastle- Meyers (Pink)
Leuco- Malachite (Green)
Luminol/ Bluestar (White/ Blue)
, What is a false positive and a false negative? - CORRECT ANSWER✔✔Pos: Gives a positive result when
the compound of interest is NOT present (being diagnosed with a disease when you do not have it)
Neg: Gives a negative result when the compound of interest IS present (Shows they do not have a
disease when they do)
What are 3 types of blood stains? Give an example of each. - CORRECT ANSWER✔✔1. Transfer - results
from wet blood coming into contact with another surface (Smudges, smears, wipes)
2. Passive - result from gravity (drops, flows, pools)
3. Spatter - result of "spraying or splashing" of droplets that are thrown by some external force (arterial,
cast off, impact)
What is DNA? - CORRECT ANSWER✔✔Aka Deoxyribonucleic Acid
A molecule that carries genetic information
Where is DNA located in the body? - CORRECT ANSWER✔✔Nucleus (chromosomes)
Possible Sources of DNA - CORRECT ANSWER✔✔Blood
Saliva
Hair
Bone
Semen
Teeth
Skin cells
