Blood vessels for Moving Exam Flashcards

1
Q

It carries oxygenated blood away from the heart to other organs.

A

Arteries

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2
Q

Smaller branches of arteries

A

Arterioles

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3
Q

Allow the exchange of substances between blood and tissue

A

Capillaries

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4
Q

Tiny veins

A

Venules

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5
Q

It is large blood vessels that convey blood from the tissues back to the heart.

A

Veins

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6
Q

3 Main Walls of the Blood Vessels

A
  1. Tunica Interna
  2. Tunic Media
  3. Tunica Externa
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7
Q
  1. A blood vessel’s inner wall directly interacts with blood as it flows through the lumen.
A

Tunica Interna

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8
Q

Parts of tunica interna:

A
  1. Endothelium
  2. Basement membrane
  3. Inner Elastic Lamina
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9
Q

The innermost layer of tunica interna and composed of a thin layer of flattened cells which line the inner surface of the entire cardiovascular system.

A

Endothelium

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10
Q

It provides a physical support base for the epithelial layer and anchors the endothelium to the underlying connective tissue.

A

Basement Membrane

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11
Q
  • It is the outermost part of tunica interna and acts as boundary between the tunica interna and tunica media.
  • Responsible for elasticity.
A

Internal Elastic Lamina

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12
Q

It is situated at the middle layer and composed of muscular and connective tissue layer that displays the greatest variation among the different blood vessels.

A

Tunica Media

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13
Q

It decreases stimulation of the nervous system’s sympathetic division and increases the lumen’s size.

A

Vasodilation

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14
Q

It increases stimulation of the nervous systems sympathetic division and decreases the size of the lumen.

A

Vasoconstriction

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15
Q

Network of elastic fibers that separates
the tunica media from tunica externa

A

External Elastic Lumina

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16
Q

Superficial layer; outer covering of blood
vessel and consists of elastic and collagen fiber which helps anchor vessels to surrounding tissue

A

Tunica Externa

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17
Q
  • Resist high blood pressure
  • Has high compliance (walls would
    stretch easily without tearing due to
    elastic fibers)
  • Maintains round shape
  • Carries oxygenated-rich blood away
    from the heart to the other organs of the
    body
A

Artery

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18
Q

Three categories of the arteries

A

. Elastic Arteries (conducting)
2. Muscular Arteries
3. Resistance Arteries

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19
Q

It delivers/conducts blood to the medium-sized and more muscular arteries. It is the largest arteries in the body.

A

Elastic Arteries/Conducting Arteries

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20
Q

Ballooning of the blood vessels and bulge caused by weakness in the blood vessel walls, usually where it branches.

A

Aneurysm

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21
Q

It is a medium-sized artery and arise from the large elastic arteries (branches) and distributes blood to various tissues and organs via arterioles and capillaries.

A

Muscular Arteries

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21
Q

It is a medium-sized artery and arises from the large elastic arteries (branches) and distributes blood to various tissues and organs via arterioles and capillaries.

A

Muscular Arteries

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22
Q

A union of branches of two or more arteries supplying one organ

A

Anastosomes

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23
Q

It is the smallest artery and leads to capillary beds via vasodilation and constriction

A

Arterioles/ Resistance Arteries

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24
These are called exchange vessels and are the smallest blood vessels (5-9 micrometers)
Capillaries
25
Intermittent relaxation and contraction of capillaries, which may occur 5-10 times.
Vasomotion
26
3 types of Capillaries
1. Continuous Capillaries 2. Fenestrated Capillaries 3. Sinusoid Capillaries
27
1. Most of the capillaries are composed of endothelial cells, which have tight junctions. These are interrupted only with intercellular clefts. 2. Where is this found?
1. Continuous Capillaries. 2. CNS, Lungs, Skin, Muscle tissue
28
1. Pores where water and small solutes go out. 2. Where is this found?
1. Fenestrated Capillaries. 2. Kidneys, Villi of Small intestines, most endocrine gland
29
1. Wider and more winding than other capillaries, which have large intercellular clefts 2. Where is this found?
1. Sinusoids 2. Spleen, Liver, Anterior Pituitary Gland
30
It allows fluids and white blood to pass from the bloodstream to tissues.
Venules
31
Also known as a capacitance vessel and is formed when venules converge. Composed of three tunics.
Veins
32
It is the result of damaged valves
Varicose veins
33
What happens when arteries are cut?
Blood will spurt rapidly because of the high pressure in the arteries
34
What happens when veins are cut?
Blood will become slow because of the low pressure
35
Blood Distribution
Pulmonary Vessels- 9% Heart- 7% Systemic Arteries and Arterioles- 13% Systemic Capillaries- 7% Systemic Veins and Venules- 64%
36
Types of veins from smallest to largest
1. Postcapillary Venules 2. Muscular Venules 3. Medium Veins 4. Venous Veins 5. Large Veins
37
It receives blood from capillaries
Postcapillary venules
38
It receive blood from postcapillary venules
Muscular Venules
39
It has venous valves (e.g. radius and ulnar veins)
Medium Veins
40
Specialized, flattened veins with extremely thin walls
Venous Sinuses
41
10 mm diameter Veins
Large Veins
42
A short loop that runs from the heart to the lungs to heart
Pulmonary Circulation
43
- Routes blood through a long loop to all parts of the body and return to the heart - Heart to system
Systemic Circulation
44
1. All are branches from aorta 2. It supplies to where?
1. Arterial Branches of Systemic Circulation 2. Arms, head, lower limbs, and all viscera with oxygen from the lung
45
4 Major Branches of Aorta
- Ascending aorta - Arch or aorta - Thoracic aorta - Abdominal aorta
46
It leaves the left ventricle and supplies the heart. What type of branch of the aorta is this?
Ascending Aorta
47
These are Brachiocephalic, Common Carotid, and Subclavian Arteries and supplies the head and upper limbs.
Arch of Aorta
48
Arch of aorta to diaphragm
Thoracic Aorta
49
It branches down to the left and right common iliac arteries and supplies the abdominal area then will divide to supply to the lower extremities.
Abdominal Aorta
50
Ascending Aorta branches to
Left and Right Coronary Arteries
51
3 Branches of the Arch of Aorta
1. Brachiocephalic Artery (Right subclavian and right common carotid artery) 2. Left Common Carotid Artery 3. Left Subclavian Artery
52
It supplies blood to the superficial structure of the skull
External Carotid Artery
53
It supplies blood to the brain
Internal Carotid Artery
54
It supplies the lateral structures of the brain.
Middle Cerebral Artery
55
It supplies the medial structures of the brain.
Anterior cerebral artery
56
It supplies blood into the eyes.
Opthalmic Artery
57
It supplies the posterior part of the brain and starts the posterior circulation.
Vertebral Artery
58
Components of Circle of Willis
- Internal carotid arteries - Anterior cerebral arteries (connected by anterior communicating artery) - Anterior communicating artery - Posterior communicating artery - Posterior cerebral artery
59
Right vertebral artery > axillary artery > brachial artery > radial and ulnar artery > palmar > metacarpal > digits
Subclavian Artery
60
Two branches of the Thoracic Aorta
1. Visceral Branches 2. Parietal Branches
61
supplies blood to the viscera or organs
Visceral Branches
62
supply blood to the body wall structures
Parietal Branches
63
Visceral branches composed of:
1. Pericardial Branch 2. Bronchial Branch 3. Esophageal Branch 4. Mediastinal Branch
64
It supplies blood to the pericardial sac
Pericardial Branch
65
Supplies tissues of the bronchial tree down to the alveolar ducts
Bronchial Branch
66
Supplies mediastinum, primary, connective tissue and lymph nodes
Mediastinal
67
Parietal branches branch out to;
Posterior Intercostal Subcostal Superior Phrenic- supplies blood to skin, muscles, ribs and thoracic vertebra
68
It supplies the ileum and jejunum
Superior Mesenteric Artery
69
It supplies the right large intestine
Right Colic Artery
70
It supplies the duodenum
Celiac Artery
70
It supplies the transverse colon
Middle Colic Artery
71
It supplies blood to the kidney
Renal Artery
72
It supplies blood to ovaries
Ovarian Artery
73
It supplies blood to descending colon of large intestine
Left colic Artery
74
Supplies blood to pelvis and buttocks
Right internal Iliac Artery
75
Supplies blood to lower extremity.
Right External Iliac Artery
76
It drains blood from the entire body and returns it to the right side of the heart.
Veins of Systemic Circulation
77
ALL VENOUS BLOOD drains either in:
Superior and Inferior Vena Cava/Coronary Sinus
78
It drains the head and upper extremity.
Superior Vena Cava
79
All empty into the right atrium of the heart
Major Systemic Vein
80
Drains the abdomen, pelvis, and lower limbs
Inferior Vena Cava
81
Drains the head and neck into the superior vena cava
External and Internal Jugular Vein
82
Drains the cardiac muscle back to the heart
Coronary Sinus