FS Midterm_fa25

3 questions that a forensic scientists needs to ask when they run across evidence that might be blood include all of the following EXCEPT

• Is it human blood?
• How old is the blood?
• Is it blood?
• Who’s blood is it?

Blood spatter pattern analysis is useful at a crime scene in determining all of the following EXCEPT

• the height from which the blood came from.
• the angle that the blood impacted a surface.
• the origin of the blood source (where the blood came from).
• whether the blood was from a human source or an animal source

Which drop of blood was most likely dropped from a low angle (10-20 degrees)?

• Drop A
• Drop B
• Drop C
• Drop D

Which statement best describes the difference between drop A and drop B?

• Both drops were dropped at around a 90 degree angle, but drop A was at a lower height than drop B
• Both drops were dropped at around 90 degree angle, but drop B was at a lower height than drop A
• Drop A was dropped at around 90 degree angle and drop B was dropped at around 40 degree angle or lower.
• Both drop A and B were dropped from at around 40-50 degree angle but A was dropped at a lower height than drop B

What is "C" pointing to?

• A spike (or spine)
• The parent drop
• A satelite
• a passive drop

Letter "A" could be used to determine the direction the drop was traveling. Which direction was it going?

• Left to right (at a slight angle)
• Right to left (at a slight angle)
• Up to down
• Down to up

To determine whether a bloodstain is of human or animal origin, the serologist will perform:

• a precipitin test
• a luminol test
• a Kastle-Meyer test
• a Takayama and Teichmann test

Blood has which of the following in it?

• Cells (red and white blood cells)
• Enzymes and proteins
• Inorganic substances
• All of the above (the other 3 answers are all a part of blood).

If couple with blood type A and type AB had a child, which of the following statements could NOT BE TRUE?

• They could have a child with blood type AB
• They could have a child with blood type B
• They could have a child with blood type A
• They could have a child with blood type O

Which of the following images shows a blood type of O+?

• Sample A
• Sample B
• Sample C
• None of the samples are blood type O+