#1
Which of the following blood components is primarily responsible for oxygen transport?
Red blood cells
ExplanationRed blood cells carry oxygen through hemoglobin molecules.
#2
Which blood group is considered the universal recipient?
AB+
ExplanationAB+ blood type can receive blood from any other blood type.
#3
Which blood component plays a crucial role in the body's immune response?
White blood cells
ExplanationWhite blood cells are key to fighting infections and pathogens.
#4
Which blood type is known as the universal donor?
O-
ExplanationO- blood type can donate to any other blood type.
#5
Which blood component is responsible for blood clotting?
Platelets
ExplanationPlatelets help in the formation of blood clots to stop bleeding.
#6
Which blood type can a person with genotype OO possess?
Type O
ExplanationA person with genotype OO possesses blood type O.
#7
Which blood type is considered the rarest among the ABO blood groups?
Type AB
ExplanationType AB blood is the rarest among ABO blood types.
#8
Which blood type does a person with genotype AO possess?
Type A
ExplanationA person with genotype AO possesses blood type A.
#9
Which blood identification technique involves examining the physical characteristics of blood cells under a microscope?
Microscopic examination
ExplanationMicroscopic examination involves visual analysis of blood cell morphology.
#10
Which blood type does a person with genotype BB possess?
Type B
ExplanationA person with genotype BB possesses blood type B.
#11
Which blood identification technique involves separating blood components based on their electrical charge and size?
Electrophoresis
ExplanationElectrophoresis separates molecules based on charge and size.
#12
Which blood identification technique utilizes antibodies to detect specific blood proteins?
Immunochromatography
ExplanationImmunochromatography relies on antigen-antibody interactions for detection.
#13
Which blood identification technique involves amplifying DNA sequences for analysis?
PCR analysis
ExplanationPCR amplifies DNA for detection and analysis.
#14
Which blood type can a person with genotype IAIB possess?
Type AB
ExplanationA person with genotype IAIB possesses blood type AB.
#15
Which of the following is a confirmatory test for blood detection at a crime scene?
Luminol test
ExplanationLuminol test detects blood through the reaction with hemoglobin.
#16
Which of the following is a technique used to determine the presence of human blood versus animal blood?
Precipitin test
ExplanationPrecipitin test distinguishes human and animal blood based on antigen-antibody reactions.
#17
Which of the following is a technique used to detect the presence of bloodstains that are not visible to the naked eye?
Luminol test
ExplanationLuminol test detects blood via a chemical reaction, even if it's not visible.
#18
Which of the following is a technique used to analyze the chemical composition of blood samples?
GC-MS analysis
ExplanationGC-MS analysis identifies and quantifies chemical compounds in blood samples.
#19
Which of the following is a technique used to determine the age of bloodstains at a crime scene?
Hemoglobin degradation test
ExplanationHemoglobin degradation test estimates the age of bloodstains based on hemoglobin breakdown.