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Anatomy > 02/12 > Flashcards

02/12 Flashcards

1
Q

Blood pressure is the

A

Force blood is exerting on blood vessel walls

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2
Q

What is the factor that propels blood throughout the body?

A

Blood pressure

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3
Q

Blood moves from

A

Higher to lower pressure

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4
Q

What has the greatest blood pressure?

A

Aorta

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5
Q

What has the poorest blood pressure?

A

Veins

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6
Q

What is the order for blood pressure?

A
  1. Aorta
  2. Arterioles / Artery
  3. Capillaries
  4. Veins
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7
Q

The Systolic number communicates the

A

Number regarding the maximum force exerted on artery when ventricles contract

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8
Q

What’s a normal Systolic reading?

A

120

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9
Q

The Diastolic number communicates the

A

Number when the artery no longer contracts

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10
Q

What’s a normal Diastolic reading?

A

80

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11
Q

What is the pulse pressure?

A

Difference between systolic and diastolic measurement

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12
Q

Capillaries lack

A

Tunica Media + Tunica Externa

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13
Q

Velocity is slowest in

A

The capillaries

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14
Q

Veins have adaptations to deal with

A

The returning blood back to the heart in lower pressure

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15
Q

The diameter of the vessel facilitates the

A

Flow of blood

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16
Q

An increased diameter results in the

A

Increase in flow

17
Q

What happens in the Skeletal Muscle Pump?

A

Muscle contracts, squeezing vein and increasing pressure in that vessel and moving blood up to heart

18
Q

What happens in the Respiratory Pump?

A

The act of breathing moves blood through the system

19
Q

Varicose Veins are caused by

A

Incompetent valves in veins, allowing for the pooling of blood

20
Q

Resistance is affected by:

A
  • Blood viscosity
  • Blood Vessel Length
  • Blood Vessel Diameter
21
Q

A longer blood vessel has

A

Increased resistance

22
Q

A wide diameter has

A

Decreased resistance

23
Q

Blood vessel diameter changes are due to

A

Changes in the arterioles

24
Q

What is Resistance?

A

The friction created between the blood and blood vessel walls as the blood is moving through

Anatomy (46 decks)

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