Legal med tests

Question 1

Acid phosphatase

Answer 1

Test for seminal fluid and spermatozoa

Question 2

Barium and Silver nitrate

Answer 2

Test for asphyxia via Carbon dioxide (gives white precipitate)

Question 3

Benzidine test

Answer 3

Chemical blood exam (blue is positive for blood, positive result is not conclusive)

Question 4

Berberio’s test

Answer 4

Test for seminal fluid and spermatozoa

Question 5

Breslau’s test (Stomach bowel or flotation test)

Answer 5

Test for determination of respiration of newborn stomach floats in water)

Question 6

Dermal nitrate test

Answer 6

Test for presence of powder residues on SKIN

Question 7

Diphenylamine test

Answer 7

Test for presence of powder residues on SKIN

Question 8

Flameless Atomic Absorption Spectroscopy (FAAS)

Answer 8

Test for presence of primer component (quick, sensitive, economical. Can detect barium, antimony and lead)

Question 9

Florence test

Answer 9

Test for seminal fluid and spermatozoa

Question 10

Fodere’s test (aka Hydrostatic or Static test)

Answer 10

Test for determination of respiration of newborn (lung floats in water)

Question 11

Gettler’s test

Answer 11

Difference of 25mg chloride content between left and right ventricle determines that the victim died of drowning

Question 12

Gonzales’ test

Answer 12

Test for presence of powder residues on SKIN

Question 13

Guaiacum test (aka Van Deen’s, Dyas’ or Schombein’s test)

Answer 13

Chemical blood exam (blue is positive for blood, positive result is not conclusive)

Question 14

Harrison and Gilroy test

Answer 14

Test for presence of primer component (blue-violet color = (+) for lead, pink = (+) for barium)

Question 15

Heat test

Answer 15

Physical blood exam (muddy precipitate when heat is applied)

Question 16

Kunkel’s test

Answer 16

Test for asphyxia via Carbon monoxide

Question 17

Leucomalachite test

Answer 17

Chemical blood exam (bluish-green or peacock blue is positive for blood, positive result is not conclusive)

Question 18

Litmus paper moistened with lead acetate

Answer 18

Test for asphyxia via Hydrogen sulfide gas (litmus paper turns black)

Question 19

Luminescence test

Answer 19

Physical blood exam (blood emits white luminescence due to presence of hematin)

Question 20

Lung’s test

Answer 20

Test for presence of powder residues on SKIN

Question 21

Neutron Activation analysis

Answer 21

Test for presence of primer component (sensitive, and needs very small quantity)

Question 22

Paraffin test

Answer 22

Test for presence of powder residues on SKIN

Question 23

Phenophthalein test (aka Kastle-Meyer test)

Answer 23

Chemical blood exam (PINK is positive for blood, positive result is not conclusive)

Question 24

Potassium ferrocyanide

Answer 24

Test for asphyxia via Carbon monoxide

Question 25

Precipitin test

Answer 25

Biologic blood or sperm exam - determines whether blood/sperm is human or not

Question 26

Puramen reaction

Answer 26

Test for seminal fluid and spermatozoa

Question 27

Saline extract + Ammonia test

Answer 27

Chemical blood exam (brownish tinge due to formation of alkaline hematin)

Question 28

Scanning electron microscope with a linked x-ray analyzer

Answer 28

Test for presence of primer component (seldom used due to expense and takes longer)

Question 29

Solubility test

Answer 29

Physical blood exam (blood becomes bright red color in saline)

Question 30

Takayama (Hemochromogen test)

Answer 30

Microscopic blood exam (test is positive for any substance containing hemoglobin)

Question 31

Teichmann’s test (Hemin crystals test)

Answer 31

Microscopic blood exam (considered best micro-chemical test)

Question 32

Wagenhaar test (Acetone-haemin test)

Answer 32

Microscopic blood exam

Question 33

Walker’s test

Answer 33

Test for presence of powder residues on CLOTHING

Question 34

Wredin’s test

Answer 34

Disappearance of gelatinous embryonic connective tissue in the middle ear is sign of birth