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A&P Fall 24' > AP 4 Nov Quizlet > Flashcards

AP 4 Nov Quizlet Flashcards

1
Q

Main artery carrying blood from the heart.

A

Aorta

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2
Q

Measured at 2.5 cm², largest artery area.

A

Aorta Cross Sectional Area

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3
Q

Pressure in arteries during blood circulation.

A

Arterial Pressure

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4
Q

Smallest arteries, significant in regulating blood pressure.

A

Arterioles

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5
Q

Allocation of blood volume throughout the body.

A

Blood Distribution

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6
Q

Volume of blood moving per time unit (mL/min).

A

Blood Flow

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7
Q

Slow flow due to high total cross sectional area.

A

Blood Flow in Capillaries

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8
Q

Techniques to assess blood flow in vessels.

A

Blood Flow Measurement

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9
Q

Managed by adjusting vascular resistance in kidneys.

A

Blood Flow Regulation

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10
Q

Pressure is necessary to drive blood flow through vessels.

A

Blood Flow Requirement

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11
Q

Speed of blood flow inversely related to cross sectional area.

A

Blood Flow Velocity

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12
Q

Force exerted by circulating blood on vessel walls.

A

Blood Pressure

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13
Q

Small changes significantly affect blood flow.

A

Blood Vessel Diameter

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14
Q

Changes in vessel structure due to flow.

A

Blood Vessel Remodeling

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15
Q

Total amount of blood in the circulatory system.

A

Blood Volume

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16
Q

Relates vascular resistance to delta pressure and flow.

A

Bolton’s Law

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17
Q

Accumulation of calcium in blood vessels.

A

Calcium Buildup

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18
Q

High number of capillaries increases total cross sectional area.

A

Capillary Density

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19
Q

Blood pressure at the end of capillaries, typically 10 mmHg.

A

Capillary End Pressure

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20
Q

Pressure exerted by blood within capillaries.

A

Capillary Hydrostatic Pressure

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21
Q

Ability of capillaries to allow substances to pass.

A

Capillary Permeability

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22
Q

Pressure within capillaries affecting fluid exchange.

A

Capillary Pressure

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23
Q

Pressure drop of about 10 mmHg from capillaries to right atrium.

A

Capillary Pressure Gradient

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24
Q

Blood pressure at the beginning of capillaries, typically 30 mmHg.

A

Capillary Start Pressure

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25
Volume of blood pumped by the heart per minute.
Cardiac Output
26
Network transporting nutrients, waste, and hormones.
Cardiovascular System
27
Arrangement of vessels affects blood flow efficiency.
Cardiovascular System Design
28
Pressure driving blood flow to the brain.
Cerebral Perfusion Pressure
29
Narrow area in circulation causing increased resistance.
Choke Point
30
Accumulation of cholesterol in blood vessel walls.
Cholesterol Deposition
31
Area of a vessel's cross-section affecting flow.
Cross Sectional Area
32
Difference in pressures used to calculate resistance.
Delta P Calculation
33
Difference in pressure between two points.
Delta Pressure
34
Mass per unit volume, influencing blood flow dynamics.
Density
35
Fluid movement that lacks directionality.
Disorderly Movement
36
Lower pressure observed distal to high resistance vessels.
Downstream Pressure
37
Optimal blood flow needed for kidney function.
Efficient Filtration
38
Process of removing waste from blood in kidneys.
Filtration
39
Volume of fluid moving through a vessel per time.
Flow Rate
40
Measured in mL/min for blood flow.
Flow Units
41
Pathways allowing movement of fluids in cells.
Fluid Channels
42
Demonstrates flow types using colored fluid.
Fluid Coloring Experiment
43
Kidney increases volume to counteract blood loss.
Fluid Deficit Compensation
44
Study of fluids in motion, including blood.
Fluid Dynamics
45
Depends on pressure differences and Starling forces.
Fluid Movement
46
Kidney's role in conserving blood volume.
Fluid Retention
47
Kidney's role in maintaining body fluid levels.
Fluid Volume Regulation
48
Necessary for kidney filtration efficiency.
High Blood Flow Rate
49
Small arteries and arterioles create significant resistance.
High Resistance Vessels
50
Difficult for blood to flow, reducing flow rate.
High Vascular Resistance
51
Occurs in narrow vessels with low cross sectional area.
High Velocity Flow
52
Pressure exerted by a fluid at rest.
Hydrostatic Pressure
53
Width of a tube affecting blood flow resistance.
Internal Diameter
54
Proteins facilitating ion movement across membranes.
Ion Channels
55
Organ crucial for filtering blood and regulating fluid.
Kidney
56
Receives about 20% of cardiac output.
Kidney Blood Flow
57
Filters blood and regulates fluid balance.
Kidney Function
58
Smooth, orderly flow of fluid in parallel layers.
Laminar Flow
59
Facilitates greater blood flow through vessels.
Low Vascular Resistance
60
Observed in capillaries due to high total area.
Low Velocity Flow
61
Rate of energy expenditure in the body.
Metabolic Rate
62
Volume of blood pumped by the heart per minute.
Minute Cardiac Output
63
Blood flow supplies essential nutrients to tissues.
Nutrient Delivery
64
Narrow openings increase blood flow velocity.
Obstruction Effects
65
Relationship between pressure, flow, and resistance.
Ohm's Law
66
Relationship between pressure, flow, and resistance.
Old's Law
67
Blood flow varies based on tissue metabolism.
Organ System Perfusion
68
Resistance specific to blood flow in an organ.
Organ Vascular Resistance
69
Movement of water across a semipermeable membrane.
Osmosis
70
Multiple routes for blood flow, reducing overall resistance.
Parallel Pathways
71
Process of delivering blood to tissues.
Perfusion
72
Increases resistance in arterioles, raising upstream pressure.
Phenylephrine Effect
73
Small diameter changes can greatly affect flow.
Physiological Implications
74
Force applied per unit area, measured in mmHg.
Pressure
75
Delta pressure driving blood flow through vessels.
Pressure Difference
76
Blood pressure decreases as it moves away from the heart.
Pressure Drop
77
Difference in pressure driving blood flow.
Pressure Gradient
78
High pressure immediately after blood leaves the heart.
Pressure in Aorta
79
Pressure varies upstream and downstream of resistance.
Pressure Measurement
80
Measured in millimeters of mercury (mmHg).
Pressure Units
81
Process of reclaiming substances from kidney filtrate.
Reabsorption
82
Blood pressure in the renal artery, approximately 100 mmHg.
Renal Artery Pressure
83
Blood flow through the kidneys, approximately 1000 mL/min.
Renal Blood Flow
84
Blood pressure in the renal vein, approximately 0 mmHg.
Renal Vein Pressure
85
Total resistance decreases with multiple pathways for flow.
Resistance in Parallel
86
Total resistance increases when tubes are connected end-to-end.
Resistance in Series
87
Key vessels determining systemic blood pressure.
Resistance Vessels
88
Predicts flow type based on velocity and viscosity.
Reynolds Equation
89
High velocity in narrow tubes due to limited pathways.
Single Tube Flow
90
Numerous, with smaller diameters, increasing total area.
Small Arteries
91
Forces determining fluid movement in capillaries.
Starling Forces
92
Total area of a cylinder's walls.
Surface Area
93
Circulatory system delivering blood throughout the body.
Systemic Circulation
94
Total resistance in the systemic circulation.
Systemic Vascular Resistance
95
Veins returning deoxygenated blood to the heart.
Systemic Veins
96
Sum of all tube areas affects overall blood flow speed.
Total Cross Sectional Area
97
Resistance of the entire systemic circulation.
Total Peripheral Resistance
98
Used to calculate resistance in parallel circuits.
Total Resistance Formula
99
Proteins that move substances across cell membranes.
Transporters
100
Chaotic fluid flow causing inefficiencies in circulation.
Turbulent Flow
101
Device used to measure blood flow in vessels.
Ultrasonic Probe
102
Inverse of vascular resistance affecting blood flow.
Vascular Conductance
103
Opposition to blood flow in the circulatory system.
Vascular Resistance
104
Thin-walled veins have low resistance and high compliance.
Vein Compliance
105
Speed of blood flow through vessels.
Velocity of Blood
106
Flow of blood back to the heart from veins.
Venous Return
107
Provide resistance to blood flow.
Vessel Walls
108
Thickness of blood affecting flow resistance.
Viscosity

A&P Fall 24' (27 decks)

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