Blood and Clotting

Question 1

“The fluid of life”

Answer 1

Blood and Plasma

Question 2

Carries oxygen to tissues and carbon dioxide away

Answer 2

Respiratory

Question 3

Carries nutrients

Answer 3

Nutritional

Question 4

Carries waste products from metabolism

Answer 4

Excretory

Question 5

Transports hormones to target organs

Answer 5

Regulatory

Question 6

Carries defence cells to protect the body

Answer 6

Defensive

Question 7

Derived from stem cells. Make up 45% of blood

Answer 7

Red Blood Cells (Erythrocytes)

Question 8

Formed Elements

Answer 8

• Red blood cells
• White blood cells
• Platelets

Question 9

How long do RBSs circulate before they are replaced?

Answer 9

120 days, approx. 1120 km

Question 10

Primary role is defence. Also called leukocytes

Answer 10

White Blood Cells

Question 11

Contain enzymes and other substances important for clotting

Answer 11

Platelets

Question 12

If Rh proteins on surface of red blood cells…

Answer 12

Rh+

Question 13

No Rh proteins on red blood cells

Answer 13

Rh-

Question 14

caused by the destruction of red blood cells (RBCs) of the neonate or fetus by maternal immunoglobulin G (IgG) antibodies

Answer 14

Erythroblastosis Fetalis

Question 15

Treatable with proper prenatal care, mother received a shot to stop making the Rh antibodies

Answer 15

RhoGAM

Question 16

What if the baby is Rh-?

Answer 16

No problem because there are no Rh antigens to induce an antibody creation in either a RH- or Rh+ mother

Question 17

What if the baby is Rh+?

Answer 17

The baby’s immune system is not yet developed enough to create antibodies to the mother’s Rh+ antigens, so again no problem

Question 18

Stages of Hemostasis

Answer 18

1. Vascular phase
2. Platelet plug formation
3. Coagulation or blood clotting

Question 19

Drugs Affecting Blood Clotting Mechanisms

Answer 19

1. Anticoagulants
2. Platelet inhibitors
3. Thrombolytic