blood vessels and lymphatic system

Question 1

which structures are part of the pulmonary circuit?

Answer 1

pulmonary arteries
pulmonary veins
pulmonary trunk
lungs
alveolar capillaries
right ventricle

Question 2

which structures are part of the systemic circuit?

Answer 2

aorta
carotid arteries
femoraal arteries
venae cavae

Question 3

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

Answer 3

right
left

Question 4

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

Answer 4

Left common carotid artery

Question 5

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

Answer 5

Splenic vein

Question 6

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

Answer 6

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

Question 7

what is the simple squamous lining of blood vessels?

Answer 7

endothelium of tunica interna

Question 8

what is the middle layer of a blood vessel wall?

Answer 8

tunica media

Question 9

what is the outer layer of a blood vessel wall?

Answer 9

tunica externa

Question 10

what is the opening within an organ/vessel?

Answer 10

lumen

Question 11

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

Answer 11

valve

Question 12

what is a vein?

Answer 12

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

Question 13

what is an artery?

Answer 13

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

Question 14

what are the features of arteries?

Answer 14

rhythmic blood flow
exibit greater ability to alter vessel diameter

Question 15

what are veins referred to as?

Answer 15

reservoir vessels

Question 16

what happens when veins are empty?

Answer 16

collapse

Question 17

what do veins provide?

Answer 17

consistent velocity of blood flow

Question 18

which vessle contains majority of blood at one time?

Answer 18

vein

Question 19

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

Answer 19

veins

Question 20

what pulse can be measured from the wrist?

Answer 20

radial pulse

Question 21

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

Answer 21

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

Question 22

What is vasodilation?

Answer 22

an increase in the diameter of a blood vessel

Question 23

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

Answer 23

chemical barriers

Question 24

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

Answer 24

inflammation

Question 25

What are the mechanical barriers?

Answer 25

Skin and mucous membranes

Question 26

what's the function of lymph nodes?

Answer 26

filters lymph initiates immune responses

Question 27

what's the function of the thymus?

Answer 27

Site of maturation of T lymphocytes

Question 28

what's the function of the spleen?

Answer 28

filters blood initiates immune responses

Question 29

what do lymphatic capillaries do?

Answer 29

- found in most tissues - drain excess tissue fluid to help with fluid balance.

Question 30

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

Answer 30

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

Question 31

what does the lymphatic vessel do?

Answer 31

carries lymph away from tissues

Question 32

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

Answer 32

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

Question 33

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

Answer 33

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

Question 34

what are functions of the lymphatic system?

Answer 34

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

Question 35

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

Answer 35

edema

Question 36

what are the functions of lymph nodes?

Answer 36

filter lymph and blood

Question 37

what is the outer protective covering in the spleen?

Answer 37

capsule

Question 38

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

Answer 38

white pulp

Question 39

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

Answer 39

red pulp

Question 40

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

Answer 40

venous circulation

Question 41

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

Answer 41

Macrophages

Question 42

what is the composition of the wall of lymphatic capillaries?

Answer 42

Thin-walled, squamous epithelial cells