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Cardio/Respi > Cardio Exam > Flashcards

Cardio Exam Flashcards

1
Q

Cells of endothelium

A

simple squamous

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2
Q

Main function of endothelium

A

permeability

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3
Q

Connective tissue consists of (2)

A

collagen and elastic fibers

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4
Q

Separates tunica intima from tunica media

A

Internal elastic membrane

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5
Q

Separates tunica media from tunica adventitia

A

External elastic membrane

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6
Q

Nerves innervating blood vessels

A

Nervi vasorum

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7
Q

Contain von Willebrand factor

A

Weibel-Palade bodies

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8
Q

Von Willebrand factor is important for

A

hemostasis

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9
Q

Main component of tunica media of elastic arteries

A

Elastin

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10
Q

Main component in tunica media of muscular arteries

A

smooth muscle

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11
Q

Principal component of peripheral resistance to blood flow

A

Arteriole

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12
Q

Plays important role in regulating blood flow and thermoregulation

A

Arteriovenous Anastamoses

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13
Q

Compensatory mechanism of carotid sinus

A

Vasoconstriction of vessels

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14
Q

Cells of carotid bodies

A

Glomus and Sheath cells

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15
Q

Contain secretory granules containing dopamine

A

Glomus cells (Type I)

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16
Q

Supporting cells that surround the glomus

A

Sheath cells (Type II)

17
Q

Special cells that can be found outside of the capillary

A

Pericytes

18
Q

Primary process of pericytes are arranged

A

Longitudinally

19
Q

Secondary process of pericytes are arranged

A

circumferentially

20
Q

Function of pericytes

A

Control blood flow through the microvasculature

21
Q

Fenestrated capillaries are found in (4)

A

endocrine gland, kidney glomerulus, GI tract, pancreas

22
Q

Continuous capillaries are found in (4)

A

muscle, connective tissue, brain, lungs

23
Q

Sinusoidal or discontinuous capillaries found in (3)

A

lymphatic organs, liver, spleen

24
Q

Preferential site for migration of leukocytes from blood into the tissues

A

Postcapillary venules

25
Q

Valves in veins are found in

A

Medium-sized veins

26
Q

Intervening vessel for hepatic and hypophyseal portal systems are

A

Veins

27
Q

Intervening vessel for renal portal systm is

A

Artery

28
Q

Purkinje fibers are in what layer (heart)

A

Subendocardial layer

29
Q

Thickest layer of the heart layers

A

Myocardium

30
Q

Myocardium consists of ____ cells

A

Cardiac muscle

31
Q

Atrium secretes the hormone

A

atrial natriuretic polypeptide (ANP)

32
Q

Where normal rhythmical impulse is generated

A

Sinus node

33
Q

Conduct the impulse from the sinus node to te AV node

A

Internodal pathways

34
Q

Impulse from atria is delayed before passing into ventricles

A

AV node

35
Q

Conducts the impulse from atria into ventricles

A

AV bundle/Bundle of His

36
Q

Conduct the cardiac impulse to all parts of the ventricles

A

Left and right branches of Purkinje fibers

Cardio/Respi (1 decks)

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