Blood/Serology Review

What is the scientific study of blood serum called?

• Cardiology

• Serology

• Metrology

• Anthropology

Answer explanation

Serology is the scientific study or diagnostic examination of blood serum.

Which is not a blood type?

• AA

• AB

• O

• A

What determines if you have a positive or negative blood type?

• Antigens

• Antibodies

• Plasma

• Rh Factor

Answer explanation

If the rH factor in someone's blood type is present, their blood type is positive. If there is no Rh factor, the blood type is negative.

What blood type is considered to be a universal donor?

• O-

• A+

• AB+

• O+

Answer explanation

Someone with an O- blood type has no A, B, or Rh antigens in their red blood cells.

Which is a term to describe agglutination?

• Blood-clotting

• Blood-pooling

• Liquification

• Blood pressure

Answer explanation

Agglutination is the process of an antigen mixing with its corresponding antibody, causing the red blood cells to clump.

If someone with AB+ blood gets in a car crash and needs a blood transfusion, what blood type can she receive?

• A-

• AB+

• O-

• Any of the three

Answer explanation

Someone with an AB+ blood type does not have any antibodies to A, B, or Rh in their blood, so they can receive any blood type.

What stimulates an immune response in your blood?

• Antibodies

• Hemoglobin

• Antigens

• Luminol

Answer explanation

When an antigen enters the body, it triggers a response in your white blood cells that work to fight the illness.

___ are found in the blood plasma and destroy foreign substances.

• Antigens

• Antibodies

• White blood cells

• Luminol

What type of blood spatter is this?

• Transfer

• Impact

• Cast-off

• Forward

Answer explanation

Impact spatter occurs when an object makes direct contact with the source of blood.

What holds blood together?

• Surface Tension

• Platelets

• Hemoglobin

• High Velocity