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ANAPHY > VASCULAR SYSTEM > Flashcards

VASCULAR SYSTEM Flashcards

1
Q

Taking blood to the tissues and back

A

BLOOD VESSELS

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2
Q

BLOOD VESSELS

A
  • Arteries
  • Arterioles
    *Capillaries
  • Venules
  • Veins
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3
Q

Three layers (tunics)

A
  1. Tunic intima
  2. Tunic media
  3. Tunic externa
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4
Q

*Endothelium

A

Tunic intima

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5
Q
  • Smooth muscle
    *Controlled by sympathetic nervous system
A

Tunic media

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6
Q

Mostly fibrous connective tissue

A

Tunic externa

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7
Q
  • Most arterial blood is pumped by the heart
  • Veins use the milking action of muscles to help move blood
A

MOVEMENT OF BLOOD THROUGH VESSELS

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8
Q

Capillary beds consist of two types of vessels

A
  • Vascular shunt
  • True capillaries
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9
Q

directly connects an arteriole to a venule

A

Vascular shunt

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10
Q

– exchange vessels
*Oxygen and nutrients cross to cells
*Carbon dioxide and metabolic waste products cross into blood

A

True capillaries

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11
Q

VITAL SIGNS

A
  • Arterial pulse
  • Blood pressure
  • Repiratory Rate
  • Body Temperature
  • All indicate the efficiency of the system
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12
Q

pressure wave of blood

A

Pulse

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13
Q

Measurements by health professionals are made on the pressure in large arteries

A

BLOOD PRESSURE

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14
Q

pressure at the peak of ventricular contraction

A

Systolic

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15
Q

pressure when ventricles relax

A

Diastolic

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16
Q

Autonomic nervous system adjustments
(sympathetic division)

A

Neural factors

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17
Q

Regulation by altering blood volume

A

Renal factors

18
Q

hormonal control

A

Renin

19
Q

BLOOD PRESSURE: EFFECTS OF FACTORS

A

Temperature
Chemicals
Diet

20
Q

has a vasodilation effect

A

Heat

21
Q

has a vasoconstricting effect

A

Cold

22
Q

Various substances can cause increases or
decreases

A

Chemicals

23
Q

Normal systolic

A

140–110 mm Hg

24
Q

Normal diastolic

A

80–75 mm Hg

25
Q

Low systolic below 110 mm HG
Often associated with illness

A

Hypotension

26
Q

High systolic above 140 mm HG
Can be dangerous if it is chronic

A

Hypertension

27
Q

when blood returns to the heart from the
systemic route, it is pumped out of the right ventricle through the pulmonary to the lungs.

A

Pulmonary circulation

28
Q

carries oxygen and nutrients to body tissues and
removes carbon dioxide and other wastes and heat from the tissues.

A

Systemic circulation

29
Q

carries deoxygenated blood from the right ventricle to the air sacs (alveoli) within the lungs and returns oxygenated blood from the air sacs to the left atrium

A

PULMONARY CIRCULATION

30
Q

carries oxygen and nutrients to body tissues and removes carbon dioxide and other wastes and heat
from the tissues.

A

SYSTEMIC CIRCULATION

31
Q

carries oxygen and nutrients to body tissues and removes carbon dioxide and other wastes and heat
from the tissue

A

SYSTEMIC CIRCULATION

32
Q

carries venous blood from the gastrointestinal organs and spleen to the liver.

A

Hepatic portal circulation

33
Q

vein that carries blood from one capillary network to another

A

Portal vein

34
Q

receives blood from capillaries of gastrointestinal organs and the spleen and delivers it to the sinusoids of the liver.

A

Hepatic portal vein

35
Q

drains blood from the small intestine and portions of the large intestine, stomach, and pancreas

A

Superior mesenteric vein

36
Q

drains blood from the stomach, pancreas, and portions of the large intestine

A

Splenic vein

37
Q

which passes into the splenic vein, drains portions of the large intestine

A

Inferior mesenteric vein

38
Q

which open directly into the hepatic portal vein,
drain the stomach.

A

Right and left gastric veins

39
Q

which also opens into the hepatic portal vein, drains the gallbladder.

A

Cystic vein

40
Q

he liver is receiving nutrient-rich but deoxygenated
blood .

A

Hepatic portal vein

41
Q

the liver also receiving oxygenated blood ,a branch of the celiac trunk.

A

Hepatic artery

42
Q

the oxygenated blood mixes with the deoxygenated blood Eventually, blood leaves the sinusoids of the liver through the hepatic veins, which drain into the
inferior vena cava.

A

Sinusoids

ANAPHY (21 decks)

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