Bio lesson 1.11 key terms

Question 1

What are the blood types that humans can have

Answer 1

Type-A = Antigen A

Type-B = Antigen B

Type-AB = Antigens A and B

Type-O = NO antigens

Question 2

What is the Rhesus factor (Rh) found in blood types

Answer 2

Positive blood = Rh antigen

Negative blood = NO Rh antigen

Question 3

Define antigens

Answer 3

Antigens are present on the surface of each red blood cell.

Antigens are like an ID tag that tell us what the blood type is

Question 4

Besides finding antigens on the surface of each red blood cell where else can you find them

Answer 4

They can also be found on the surface of bacteria and viruses.

Antigens are detected by
antibodies.

Question 5

Define Antibodies

Answer 5

Antibodies are like
security officers.

They are checking each
antigen to ensure they are not an invader.

Question 6

What would happen if an antibody detects an unknown antigen

Answer 6

they will trigger an immune response.

Question 7

Why is blood compatibility important

Answer 7

Blood transfusions need to be handled with care

if the recipient of the transfusion receives the wrong blood-type antibodies will trigger an immune response. Causing the blood to form clumps

Question 8

how does blood typing in a lab work

Answer 8

Blood sample gets taken, then the blood is mixed with A, B and Rh antibodies, they check for any agglutination (clumps), then the results come and you know what the blood type is