Review for Test 2 (Blood vessels)

Question 1

Systemic circuit

Answer 1

LV–Aorta–EA–MA—arteriole—capilary —smallvenule — small vein— large vein – vena cava — RA—RV

Question 2

Pulmonary circuit

Answer 2

RV— PA— Lung— Pulmonary capillaries — pulmonary veins — LA—- LV

Question 3

Tunica intima

Answer 3

Endothelium
Sub endothelium
IEL

Question 4

Tunica media

Answer 4

EEL

Question 5

Tunica externa

Answer 5

Vasa vasorum

Question 6

Ateries have what to control the size of lumen

Answer 6

Circular SM

Question 7

Veins have lots of which type of SM

Answer 7

longitudinal

Question 8

What cell type contain Weibel-Palade bodies?

Answer 8

Endothelial

Question 9

von Willebrand factor is necessary for

Answer 9

platelet aggregation and adhesion

Question 10

Tunica adventitia is fairly thin with abundant vasa vasorum in which vessel type?

Answer 10

Elastic arteries

Question 11

Some arterioles connect directly with small venues and bypass the capillary bed .. these are called

Answer 11

arteriovenus anastomoses

Question 12

Venous and arterial portal systems

Answer 12

Venous – liver, pituitary gland

Arterial – kidneys

Question 13

In a capillary , the endothelial cells secrete their own

Answer 13

basal lamina which is in contact with surrounding CT

Question 14

***Almost all material exchange between cells of tissue and blood occurs through the ?

Answer 14

capillary endothelial cell

Question 15

Pericytes can differentiate into

Answer 15

SM or endothelial cells

Question 16

Which type of cell is a pericyte

Answer 16

pluripotent

Question 17

Pericytes are numerous around

Answer 17

post capillary venues

Question 18

Endothelium and valves of veins is referring to which region

Answer 18

Tunica intima

Question 19

CT fibers , some SM but less than arteries

Answer 19

Tunica media

Question 20

Most prominent tunic in medium and large veins , smooth muscle cells are oriented longitudinally in bundles

Answer 20

Tunica adventitia

Question 21

Post capillary venues are similar in structure to capillary structure with an increase in

Answer 21

reticular fibers and pericytes

Question 22

***Lymphatic vessels are lined with — and resemble —

Answer 22

endothelium —–small veins in structure

Question 23

***Lymphatic capillaries lack a continuous basement membrane and are . . . .

Answer 23

more permeable than blood capillaries

Question 24

Phases of blood clotting

Answer 24

Adhesion
Aggregation
Platelet pro coagulation terminates with removal of fibrin clot

Question 25

Facilitates clot formation

Answer 25

von Willebrand factor

Question 26

Plasminogen – explain

Answer 26

It is floating around and gets cleaved to plasmin which down regulates the pathway

Question 27

Prothrombin to thrombin

Answer 27

Factor X

Question 28

Fibrinogen to fibrin

Answer 28

thrombin

Question 29

PKC does what

Answer 29

turns clotting off