History of Blood
What ancient practice was used to cure disease using blood?
Bloodletting
Arteries carry blood ______ the heart.
To or Away From
Away from
What virus attacks the immune system and will end in AIDS?
HIV
Blood patterns can be used to do what pertaining to a crime scene?
Reconstruct a crime scene
Blood is classified as what type of tissue?
Connective tissue
Which civilization began bloodletting around 2500 B.C.?
Egyptians
Veins carry blood ______ the heart.
Toward
AIDS stands for what?
Acquired Immune Deficiency Syndrome
Blood can connect a suspect to what?
A crime Scene
What percentage of blood is plasma?
55%
Who first viewed blood cells under a microscope?
van Leeuenhoek or Landsteiner
Anton van Leeuwenhoek
Which vessels have thicker, elastic walls?
Arteries
What test screens blood by detecting antibodies?
ELISA
Blood typing is an example of what evidence? Double Points
Class
Where are blood cells made?
Bone Marrow
In what year was the first blood transfusion performed? Double Points
1975 1795 1853
1795
What structure in veins prevents backflow?
Arteries or Valves
Valves
What blood cells does HIV attack? Double Points
White Blood Cells
DNA profiling from blood provides what type of evidence?
Individual
Red blood cells are also called what?
Erythrocytes
Who discovered blood types A, B, and O?
Landsteiner or Watson
Karl Landsteiner
Which vessels exchange nutrients and waste with cells?
Veins or Capillaries
Capillaries
Why is blood screening important for transfusions?
To prevent disease transmission
Why is DNA more powerful than blood typing? Double Points
It can identify a specific person
Why can’t red blood cells be used for DNA profiling?
They have no nucleus / no DNA