Presumptive tests for blood at crime scenes are called __________.Question 15Select one:a.Litmusb.Catalyticc.Prepatoryd.Glycohemaglobine.All of the above
Question
Presumptive tests for blood at crime scenes are called __________.
Question 15
Select one:
- a. Litmus
- b. Catalytic
- c. Prepatory
- d. Glycohemaglobine.
- e. All of the above
Solution
The correct answer is b. Catalytic.
Explanation:
Presumptive tests for blood in crime scenes are known as catalytic tests. These tests are designed to indicate the presence of blood, often by utilizing chemical reactions that produce a color change in the presence of hemoglobin or other blood components. Examples of such tests include the Kastle-Meyer test and the Luminol test.
- Litmus typically refers to an acid-base indicator, not related to blood detection.
- Prepatory and Glycohemaglobine do not pertain to blood detection methodologies in forensic science.
- "All of the above" cannot be correct, as not all options relate to blood tests.
Therefore, catalytic tests are the appropriate choice.
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