Cardiovascular

Question 1

Vasa vasorum serves as a function analogous to that of which of the following?

Answer 1

Coronary Arteries- supply blood to the heart

Question 2

Trace the flow of blood throughout the heart starting from the systematic venous circulation.

Answer 2

Vena Cava-Rt. Atrium-AV Valve-Rt. Ventricle- Pulmonary-Semilunar Valve- LungsPulmonary Veins- Lt. Atrium- Tricuspid Valve- Lt. Ventricle- Aortic Valve-Body

Question 3

During light microscopic examination of a tissue, you note a vessel that has no smooth muscle, no elastic lamina, but a large amount of formed elements in the lumen. Which of the following vessels are you examining?

Answer 3

Venule

Question 4

What are some of the secretory and metabolic fx. of endothelial cells?

Answer 4

Secretory( Anti-Aggregatory/Anti-Mtogenic), Metabolic(Angiotensin Converting Enzyme), Plasticity (Angiogenesis)

Question 5

Vesicles can form in the ____ of the endothelial cells to facilitate transport.

Answer 5

Cytoplasm

Question 6

True or False of Ventricles

Walls contain Purkinje Fibers of the right and left branches from the AV bundle

Answer 6

True

Question 7

True or False.

Tunica Media Homologous to Myocardium

Answer 7

True

Question 8

What type of microcirculation is found in the kidney?

Answer 8

Arteriole
Capillary
Arteriole

Question 9

What type of microcirculation is found in the skin?

Answer 9

Arteriovenous

Question 10

What type of microcirculation is found in the liver?

Answer 10

Venule
Capillary
Venule
Portal System

Question 11

What type of capillary would you typically find in the Liver?

Answer 11

Sinusoidal capillaries

Question 12

Pulmonary veins carry

Answer 12

O2 from lungs to heart

Question 13

What portion of the arterial wall is most likely to be affected by elastic fibers?

Answer 13

Tunica Media

Question 14

True or False of Continuous Capillaries

Most common in brain and muscle

Answer 14

True

Question 15

Where would you find formed elements of blood?

Answer 15

Lumen

Question 16

What is a pericyte?

Answer 16

Maintain basic structure of the capillary

Question 17

What is a throughfare channel?

Answer 17

Forms vascular shunt

Question 18

Pericytes

Answer 18

Help maintain visibility of endothelial cells

Question 19

What are the three capillary types?

Answer 19

Continuous
Fenestrated
Sinusoidal (Discontinuous)

Question 20

Where are continuous capillaries found?

Answer 20

Skin
Muscle
Lung
Brain

Question 21

Where are fenestrated capillaries found?

Answer 21

Kidney
Endocrine
Intestines

Question 22

Where are Sinusoidal (Discontinuous) capillaries found?

Answer 22

Liver
Spleen
Bone Marrow
Endocrine

Question 23

Which fenestrated capillary example has no diaphragm but a basement membrane?

Answer 23

Kidney

Question 24

What are the fenestrated sinusoids?

Answer 24

adrenal glands, adenohypophysis

Question 25

What is Vesicular Transport in Capillaries?

Answer 25

Pinocytic pits & vesicles which move larger molecules across endothelium.

Question 26

What is Transendothelium Channels in Capillaries?

Answer 26

Vesicles can merge together to form channels for rapid transport

Question 27

IEL, endothelium and CT are all found in which layer of vessels?

Answer 27

Tunica Intima

Question 28

EEL, elastic fibers are found in which layer of vessels?

Answer 28

Tunica Media

Question 29

CT, VV, nerves are all found in which layer of vessels?

Answer 29

Tunica Adventitia

Question 30

Tunica Media is thicker in arteries or veins?

Answer 30

Arteries

Question 31

Tunica Adventitia is thicker in arteries or veins?

Answer 31

Veins

Question 32

Types of Circulation -> Arteriole- Capillary Bed

Answer 32

venule

Question 33

Types of Circulation -> Arteriovenous Anastomosis

Answer 33

skin

Question 34

Types of Circulation -> Arteriole-Capillary-Arteriole

Answer 34

kidney

Question 35

Types of Circulation -> Venule- Capillary- Venule

Answer 35

Liver; portal systems

Question 36

Which layer of heart are Purkinje Fibers found in?

Answer 36

Endocardium

Question 37

Which layer of heart is the Ventricular Wall attached to?

Answer 37

Myocardium

Question 38

Wave of Depolarization begins at which portion of the heart?

Answer 38

Apex

Question 39

SA NODE is known as the ____ of the heart?

Answer 39

Pacemaker

Question 40

___(Artery)__ branches into the myocardium.

Answer 40

Coronary Artery

Question 41

True or False; Lymphatic System functions in Immunologic Support

Answer 41

True

Question 42

What closes the valve in the lymphatic vein?

Answer 42

Back pressure

Question 43

How are endothelial cells anchored to lymphatic capillaries and connective tissue?

Answer 43

Filaments; elastic fibers