Tests

Question 1

Blood stains - Chemical Examinations

Answer 1

Saline extract + Ammonia, Benzidine Test, Guaiacum Test (Van Deen’s Dyas’ or Schombein Test), Phenolphthalein Test (Kastle-Mayer Test), Leucomalachite Green Test

Question 2

Blood stains - Microscopic Examination

Answer 2

Hemochromogen crystal or Takayama Test, Teichmann’s blood crystals or Hemin crystals test, Acetone-haemin of Wagenhaar test

Question 3

Blood stains - Spectroscopic Examinations

Answer 3

From fresh blood stains (oxyhemoglobin), from older stains (methemoglobin)

Question 4

Blood stains - Biological Examination

Answer 4

Precipitin Test, Blood Grouping

Question 5

This test is positive to any substance with hemoglobin:

Answer 5

Takayama test (hemochromogen crystal test)

Question 6

Best of the microchemical/microscopic tests:

Answer 6

Teichmann’s blood crystals test

Question 7

Determines whether BLOOD or SEMEN is of human origin:

Answer 7

Precipitin Test

Question 8

Ligature is applied around the base of finger with moderate tightness. In a living person, there appears a bloodless zone. On a dead person, no change in color

Answer 8

Magnus test

Question 9

Injection of a solution of fluorescein SQ. if circulation is present, dye will spread all over the body and the skin will have greenish-yellow discoloration

Answer 9

Icard’s test

Question 10

The fingers are spread wide and the finger webs are viewed through strong light. In the living, the finger webs appear red but yellow in dead

Answer 10

Diaphanous test

Question 11

There is no movt of the image formed by reflecting artificial light on the water or mercury contained in a saucer and placed on chest or abdomen if respiration is not taking place

Answer 11

Winslow test

Question 12

Blood stains - Physical Tests

Answer 12

Solubility Test, Heat Test, Luminiscence Test

Question 13

Tests for the presence of Powder Residues on SKIN

Answer 13

Dermal Nitrate Test/Paraffin Test/Diphenylamine Test/Lung’s Test/Gonzales’ Test

Question 14

Test for the presence of Powder Residues on CLOTHING

Answer 14

Walker’s Test

Question 15

Quick, sensitive and employs equipment within economic means. It can detect the presence of barium, antimony and lead

Answer 15

Flameless Atomic Absorption Spectroscopy (FAAS)

Question 16

Quantitative determination of the chloride content of the blood in the right and left ventricle of the heart

Answer 16

Gettler’s Test (difference of at least 25mg proves drowning is the cause of death)

Question 17

Presumptive test for presence of seminal fluid

Answer 17

Florence Test

Question 18

Specific for spermatic fluid

Answer 18

Berberio’s Test

Question 19

Conclusive of the presence of the presence of semen

Answer 19

Acid Phosphatase Test

Question 20

Test whether semen is of human origin or not

Answer 20

Precipitin Test/Biological Test of Farnum

Question 21

Test to determine whether respiration took place on a newborn child before death (lungs float in water)

Answer 21

Fodere’s Test/Hydrostatic Test/Static Test

Question 22

Dip stomach in water, if it floats and air bubbles liberated to the surface of water, breathing has taken place

Answer 22

Stomach Bowel Test/Floatation Test/Breslau’s Test

Question 23

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

Answer 23

Wredin’s Test

Question 24

Very reliable and characteristic of seminal fluid

Answer 24

Puramen Reaction