blood vessels and lymphatic system Flashcards

1
Q

which structures are part of the pulmonary circuit?

A

pulmonary arteries
pulmonary veins
pulmonary trunk
lungs
alveolar capillaries
right ventricle

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2
Q

which structures are part of the systemic circuit?

A

aorta
carotid arteries
femoraal arteries
venae cavae

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3
Q

The __________ ventricle pumps blood to the pulmonary circuit while the __________ ventricle pumps blood into the systemic circuit.

A

right
left

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4
Q

What is the second artery that branches off the aortic arch?

A

Left common carotid artery

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5
Q

What blood vessel is a tributary of the hepatic portal vein?

A

Splenic vein

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6
Q

What is the sequence of travel by an impulse through the cardiac conduction system?

A

Sinoatrial node, atrioventricular node, atrioventricular bundle, bundle branches, Purkinje fibers

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7
Q

what is the simple squamous lining of blood vessels?

A

endothelium of tunica interna

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8
Q

what is the middle layer of a blood vessel wall?

A

tunica media

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9
Q

what is the outer layer of a blood vessel wall?

A

tunica externa

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10
Q

what is the opening within an organ/vessel?

A

lumen

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11
Q

what is the flap of endothelium used to prevent backflow of blood?

A

valve

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12
Q

what is a vein?

A

a thin walled vessel that carries blood under relatively low pressure towards the heart

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13
Q

what is an artery?

A

a thick walled vessel that carries blood under relatively high pressure away from the heart

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14
Q

what are the features of arteries?

A

rhythmic blood flow
exibit greater ability to alter vessel diameter

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15
Q

what are veins referred to as?

A

reservoir vessels

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16
Q

what happens when veins are empty?

A

collapse

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17
Q

what do veins provide?

A

consistent velocity of blood flow

18
Q

which vessle contains majority of blood at one time?

A

vein

19
Q

which vessel relies on the skeletal muscular pumps to propel blood?

A

veins

20
Q

what pulse can be measured from the wrist?

A

radial pulse

21
Q

what is the path of a blood cell from the superior vena cava as it makes its way through the heart?

A

Right atrium → right ventricle → pulmonary artery → lung → pulmonary vein → left atrium → left ventricle → aorta

22
Q

What is vasodilation?

A

an increase in the diameter of a blood vessel

23
Q

what type of defense mechanism do interferons and complement proteins exhibit?

A

chemical barriers

24
Q

The changes that occur in infected or injured tissue (redness, swelling, heat, pain) are due to what process?

A

inflammation

25
Q

What are the mechanical barriers?

A

Skin and mucous membranes

26
Q

what’s the function of lymph nodes?

A

filters lymph
initiates immune responses

27
Q

what’s the function of the thymus?

A

Site of maturation of T lymphocytes

28
Q

what’s the function of the spleen?

A

filters blood
initiates immune responses

29
Q

what do lymphatic capillaries do?

A
  • found in most tissues
  • drain excess tissue fluid to help with fluid balance.
30
Q

what happens when the lymphatic system absorbs fats from the digestive system and why?

A

molecules are too large to be absorbed into the blood, so they are carried via the lymph to the venous system.

31
Q

what does the lymphatic vessel do?

A

carries lymph away from tissues

32
Q

which area of the body is targeted when lymph flows into thoracic duct?

A

right leg
left side of head
left side of neck
left arm
left leg
left thoracic cavity

33
Q

which area of the body is targeted when lymph flows into right lymphatic duct?

A

right arm
right side of head
right side of neck
right thoracic cavity

34
Q

what are functions of the lymphatic system?

A

absorption of dietary fats
regulation of osmotic pressure
transport of foreign particles from tissue fluid to lymph nodes

35
Q

What results from the absence or blockage of lymph vessels in a body region?

A

edema

36
Q

what are the functions of lymph nodes?

A

filter lymph and blood

37
Q

what is the outer protective covering in the spleen?

A

capsule

38
Q

what is the area of many white blood cells in the spleen?

A

white pulp

39
Q

what is the area of many red blood cells in the spleen?

A

red pulp

40
Q

where does the lymph enter after it is returned to the blood?

A

venous circulation

41
Q

What cell type functions to engulf and destroy foreign substances, damaged cells, and cellular debris as lymph is being filtered by lymph nodes?

A

Macrophages

42
Q

what is the composition of the wall of lymphatic capillaries?

A

Thin-walled, squamous epithelial cells