TJ6: Circulatory System Flashcards

1
Q

While standing, venous flow is maintained against gravity because of what?

A

Skeletal Muscle Contractions, Blood Pressure from the heart pumping, and the valves

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2
Q

The most common place to check function is where?

A

Radial Artery

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3
Q

The left and right sides of the heart contain what level of oxygen?

A

Left: 95-98%
Right: 65-80%

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4
Q

What is the difference between arteries and veins?

A

Arteries: carry blood away from the heart, have a higher blood pressure, and have thick walls

Veins: carry blood to the heart, lower blood pressure, thin walled, and have valves to prevent back flow

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5
Q

The Great Saphenous Vein drains blood from what what part of the body?

A

Foot, Knee and Leg

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6
Q

Which blood vessel is blood velocity lowest?

A

Capillaries

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7
Q

The walls of the Atria or the Ventricles are thicker? Why?

A

Ventricles because of their pumping function

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8
Q

A Stationary clot is called what?
A traveling clot is called what?

A

Stationary: Thrombus
Traveling: Embolus

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9
Q

What cell type is found at the tunica interna?

A

Endothelial Cells

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10
Q

Blood exits the heart through (arteries/veins) and returns to the heart by (arteries/veins)?

A

Arteries, veins

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11
Q

Oxygen is carried in the blood stream primarily by?

A

RBCs

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12
Q

What is occurring during diastole?

A

Ventricles relaxing/relaxing

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13
Q

What is the average adult pulse rate?

A

72-80 BPM

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14
Q

Name the blood pressure 120/80?

A

Resting

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15
Q

The artery that sends blood from the heart to the body is?

A

Aorta

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16
Q

What is the oxygen level of blood exiting the right ventricle?

17
Q

T/F: As the blood vessel diameter increases, the resistance decreases?

18
Q

Exchange between nutrients in the blood and waste in the tissues occur where?

A

Capillary Beds

19
Q

In which blood vessel is the pressure the lowest?

A

Capillaries

20
Q

The Mitral valve is located where?

A

Between the left atrium and left ventricle

21
Q

The Radial Artery supplies blood to where?

22
Q

Blood entering from the Left Atrium is coming from where?

A

Pulmonary Artery

23
Q

Another name for Sino-Artrial…

A

SA Node or Pacemaker

24
Q

The coverings of the heart is called?

A

Visceral Pericardium/Epicardium

25
The blood vessels which supplies blood to the legs?
Common Iliac or Femoral
26
Name the Atrioventricular Valves
Bicuspid (Mitral) & Tricuspid
27
During Systole, what is occurring?
Ventricles are contracting/working
28
Veins contain these to prevent backflow?
Valves
29
The two Atrioventricular valves are?
Bicuspid (Mitral) and Tricuspid
30
What is the functional unit of the Circulatory System?
Capillaries
31
What is the function(s) of the Circulatory System?
Delivery of blood, oxygen, nutrients and waste around the body
32
Do Arteries contain valves?
No
33
The Pericardium of the heart is continuous with the what?
Tunica externa