Finals: Circulatory System

Question 0

What is the cell that lies close to the endothelium, contains actin & myosin and has contractile ability

Answer 0

Pericyte

Question 1

What cell type lines the natural free surfaces of BV & the interior of the heart

Answer 1

Endothelial

Question 2

What heart wall layer is mostly closely associated with pericardium

Answer 2

Epicardium

Question 3

What type of BV has a thin wall compared to its lumen

Answer 3

Vein

Question 4

What is the name of the membrane closely associated with tunica intima

Answer 4

External Elastic Membrane

Question 5

What do capillaries lack that arteries and veins possess in their walls

Answer 5

Smooth muscle

Question 6

What structure is located in the Right Atrium

Answer 6

SA node

Question 7

What is the innermost layer of blood vessels

Answer 7

Tunica intima

Question 8

The release of what substance during clot formation stimulates smooth muscles in arteries to contract

Answer 8

Thromboxane A2

Question 9

A sinusoid is a type of what structure

Answer 9

Capillary

Question 10

What is the name for the small blood vessels in the walls of blood vessels

Answer 10

Vasa vasorum

Question 11

What structure in the kidney contains fenestrated capillaries

Answer 11

Glomerulus

Question 12

What BV is heavily invested with elastic fibers

Answer 12

Aorta

Question 13

What type of capillary is simple an epithelial tube with no basal lamina

Answer 13

Lymphatic

Question 14

What layer of the heart wall contains the most cardiac muscles

Answer 14

Myocardium

Question 15

What type of cell lines the external surface of the heart

Answer 15

Mesothelial

Question 16

In general, in large vessels, where are the vasa vasora located

Answer 16

Tunica adventitia

Question 17

What layer of the artery wall is the thickest

Answer 17

Tunica media

Question 18

What chemical is released from nerve fibers that cause arterial constriction

Answer 18

Norepinephrine

Question 19

In general, what do veins have that arteries don’t

Answer 19

Valves

Question 20

What type of tissue comprises the annuli fibrosi

Answer 20

Connective tissue

Question 21

What type of BV has a thick wall compared to its lumen

Answer 21

Artery

Question 22

What membrane is associated with tunica intima

Answer 22

Internal Elastic Membrane

Question 23

Sinusoidal capillaries are seen in the spleen, liver, & in what specific part of what other organ

Answer 23

Adenohypophysis

Question 24

What layer of the heart contains endothelium

Answer 24

Endocardium

Question 25

What type of fiber is observed in abundance among the smooth muscle fibers of the tunica media of the aorta

Answer 25

Elastic fibers

Question 26

What layer of the wall of a large vein is most prominent

Answer 26

Tunica adventitia

Question 27

What glycoprotein factor is part of the clotting mechanism

Answer 27

Von Wilberbrand factor

Question 28

What type of BV is found in endocrine glands & tissues where absorption is occurring

Answer 28

Fenestrated capillaries

Question 29

What is the DCT that comprises the skeleton of the heart

Answer 29

Annuli fibrosis

Question 30

Prominent inner & outer elastic membrane are criteria for what type of blood vessels

Answer 30

Muscular artery

Question 31

What is the pacemaker of the heart

Answer 31

SA node

Question 32

What BV controls blood flow into a capillary

Answer 32

Arteriole

Question 33

What major BV has a poorly developed tunica media & a thick tunica adventitia rich in elastic fibers

Answer 33

Vena cava

Question 34

What type of artery is the aorta

Answer 34

Elastic artery

Question 35

Where is Von Willebrand factor stored in the endothelial cell

Answer 35

Weibel-palade bodies

Question 36

What layer of the vessel wall contains primary longitudinally arranged collagen fibers & nervi vascularis

Answer 36

Tunica adventitia