Peripheral Circulation

Question 1

Arteries transport

Answer 1

oxygenated blood from areas of high pressure to low pressures in the body tissue
EXCEPTION - umbilical vein in utero and pulmonary veins

Question 2

Arterial circulation is maintained by

Answer 2

heart pump

Question 3

Arterial circulation is influenced by

Answer 3

elasticity and extensibility of vessel walls and by peripheral resistance (amount of blood in body)

Question 4

Arterioles are

Answer 4

terminal branches of arteries that attach to capillaries

primary site of vascular resistance

Question 5

Capillaries include

Answer 5

small blood vessels that connect the ends of arteries with the beginnings of veins

Question 6

Capillaries function for

Answer 6

exchange of nutrients and fluids between blood and tissues

Question 7

Veins transport

Answer 7

unoxygenated, dark blood from tissues back to the heart

Question 8

Veins vs. arteries - which has thinner walls

Answer 8

veins

Question 9

Venous circulation is influenced by

Answer 9

muscle contraction, gravity, respiration, compliancy of right heart

Question 10

Lymphatic system includes

Answer 10

lymphatics, lymph fluid, lymph tissues, organs (lymph nodes, tonsils, spleen, thymus, thoracic duct)

Question 11

Lymphatic system drains

Answer 11

lymph from body tissues and returns it to venous circulation

Question 12

Lymph travels from ___ to…

Answer 12

from lymphatic capillaries to lymphatic vessels to ducts to left subclavian vein

Question 13

Lymphatic contraction occurs by

Answer 13

Parasympathetc, sympathetic and sensory nerve stimulation
Contraction of adjacent mm
Abdominal and thoracic cavity pressure changes with normal breathing
Mechanical stimulation of dermal tissues
Volume changes in each lymphatic vessel

Question 14

Major lymph nodes are

Answer 14

submaxillary
cervical 
axillary
mesenteric
iliac
inguinal 
popliteal
cubital