Year 1 - Blood and Blood Transport

Question 1

What is plasma?

Answer 1

The liquid part of blood

Question 2

What do thrombocytes react to?

Answer 2

React to bleeding from blood vessel injury by clumping, thereby initiation a blood clot

Question 3

What to erythrocytes contain?

Answer 3

They contain haemoglobin, which binds oxygen for transport

Question 4

What are the leucocytes?

Answer 4

Cells of the immune system involves with protecting the body from infectious disease

Question 5

What are the ABO blood groups?

Answer 5

Based on having an A, B, both or no antigens on erythrocytes.

Question 6

Why is the blood group O useful?

Answer 6

It can be donates to anyone without being rejected by the patient.

Question 7

Which blood type can receive any blood type?

Answer 7

AB+

Question 8

What is the Rheses blood type?

Answer 8

Determined by one common antigen; person has antigen (Rh+) or lacks the antigen (Rh-)

Question 9

Who can be given blood of a AB+ person?

Answer 9

AB+ person

Question 10

Who can receive O- blood?

Answer 10

Only O- people

Question 11

What is the Lymphatic system?

Answer 11

The extensive network of vessels and nodes involves with the immune system and drainage of tissue fluid.

Question 12

What is the fluid inside the lymphatic system?

Answer 12

Lymph

Question 13

What is the spleen?

Answer 13

It is the largest organ of the lymphatic system

Question 14

What are the purposes of the spleen?

Answer 14

• Contains emergency supply of blood (e.g. in case there is major bleeding)
• Contains leucocytes for fighting infections

Question 15

What is the general term for “pressure of the fluid”?

Answer 15

Hydrostatic pressure

Question 16

Why are water and small soluble molecules forces out at the atrial end of a capillary?

Answer 16

Hydrostatic pressure of the blood is higher than its osmotic pressure

Question 17

What is the liquid that bathes tissue cells?

Answer 17

Tissue fluid

Question 18

What are example of small soluble molecules that can leave a capillary?

Answer 18

Glucose, amino acids, oxygen

Question 19

What are examples of things that are too large to be forced out of a capillary?

Answer 19

Plasma proteins; blood cells

Question 20

Reasons that blood pressure falls along the length of a capillary:

Answer 20

• Friction of blood with the walls;

- Reduced blood volume

Question 21

Where does most of the water of the tissue fluid move?

Answer 21

Back into the capillaries directly

Question 22

Where does a small volume of water from the tissue fluid go?

Answer 22

It drains into lymph vessels, which then empty into the blood

Question 23

What happens in some patients when their tissues swell up?

Answer 23

It means that tissue fluid is formed faster than it is removed

Question 24

Capillaries have tiny ______, which allow small molecules to leave.

Answer 24

Pores