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1. Laboratory - Organ System Physiology > Vascular Anatomy and Physiology > Flashcards

Vascular Anatomy and Physiology Flashcards

1
Q

Where can one feel their radial pulse?

A

On the wrist, just under the thumb

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2
Q

Define pulse.

A

The rhythmic dilation of an artery that results from beating of the heart

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3
Q

Why do we measure pulse?

A

As an estimation of heart rate

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4
Q

What is a healthy heart rate?

A

60 -> 100 bpm

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5
Q

What is the name of the artery in the wrist found under the thumb?

A

Radial artery

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6
Q

Where is the carotid artery found?

A

In the neck

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7
Q

Where is the temporal artery found?

A

In the temples

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8
Q

Where is the subclavian artery found?

A

Under the collar bone

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9
Q

Where is the brachial artery found?

A

At the elbow

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10
Q

Where is the facial artery found?

A

At the jaw

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11
Q

What is the name of the artery found in the neck?

A

Carotid artery

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12
Q

What is the name of the artery found in in the temples?

A

Temporal artery

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13
Q

What is the name of the artery found under the collar bone

A

Subclavian artery

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14
Q

What is the name of the artery found at the elbow?

A

Brachial artery

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15
Q

What is the name of the artery found at the jaw?

A

Facial artery

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16
Q

What are three major types of blood vessels?

A

Arteries

Capillaries

Veins

17
Q

What are the three types of arteries?

A

Elastic arteries

Muscular arteries

Arterioles

18
Q

What are the three types of capillaries?

A

Continuous

Fenestrated

Sinusoidal

19
Q

What do all arteries do?

A

They carry blood from the heart

20
Q

What do all veins do?

A

They transport blood to the heart

21
Q

What are capillaries and what do they do?

2

A

Tiny blood vessels which pass between the cells of the different tissues and organs

They form networks called capillary beds

22
Q

What are the three layers of blood vessel walls?

A

Tunica interna (intima)

Tunica media

Tunica externa (adventitia)

23
Q

What is the tunica interna?

A

Endothelium

24
Q

What is the tunica interna made of?

A

A single layer of simple squamous epithelium with a small amount of areolar connective tissue underneath

25
Q

What is the tunica media made of?

A

Layers of smooth muscle cells with sheets of elastic connective tissue

26
Q

What is the function of the tunica media?

A

It can contract or relax -> vasoconstriction and vasodilation -> it controls blood flow and blood pressure

27
Q

What is the tunica externa made of?

A

Layer of connective tissue with many collagen and elastic fibres

28
Q

How do the layers of arteries differ from other blood vessels?

A

Arteries have two extra lamina -> the External lamina and the Internal Elastic lamina

29
Q

What are the two functions of elastic arteries?

A

Change flow pattern

Distribute blood from heart

30
Q

Give an example of an elastic artery.

A

Aorta

31
Q

What are the two functions of muscular arteries?

A

Distribute blood from heart

Regulate flow and pressure to organs

32
Q

What do arterioles do?

A

They regulate flow in capillary beds

33
Q

What do capillaries do?

A

They exchange with interstitial fluid

34
Q

What do veins do?

A

They regulate flow to heart by storing or releasing blood

35
Q

What is elastic responsible for in blood vessels?

A

Stretch and recoil

36
Q

What is muscle responsible for in blood vessels?

A

Contraction and relaxation

37
Q

What is the normal pressure in arteries?

A

100 - 35 mmHg

38
Q

What is the normal pressure in veins?

A

18 - 0 mmHg

1. Laboratory - Organ System Physiology (9 decks)

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