Blood and Forensics Quiz

Which of the following components of blood is responsible for carrying oxygen?

• Plasma

• Red blood cells

• White blood cells

• Platelets

What is the primary function of the ABO blood typing system?

• Determining blood clotting factors

• Identifying blood diseases

• Classifying blood types based on antigens

• Measuring hemoglobin levels

A forensic scientist is analyzing a fingerprint found at a crime scene. Which of the following characteristics would be most helpful in identifying the perpetrator?

• The number of ridges on the fingerprint

• The overall pattern (loop, whorl, or arch)

• The size of the fingerprint

• The color of the fingerprint

A student is using a microscope to examine a blood smear. Which objective lens should they use to get the most detailed view of the blood cells?

• 4x

• 10x

• 40x

• 100x

When using a microscope, what is the correct order of steps for focusing on a specimen?

• Coarse focus, fine focus, adjust lighting

• Fine focus, coarse focus, adjust lighting

• Adjust lighting, coarse focus, fine focus

• Adjust lighting, fine focus, coarse focus

Why is it important to know your blood type before a blood transfusion?

• A. To determine if you need a blood transfusion

• B. To ensure compatibility between donor and recipient blood

• C. To identify potential blood disorders

• D. To determine your risk of certain diseases