Small subdivison of the arteries they carry blood in the capillaries.
arteriole
which type of blood vessel carries blood away from the heart?
arteries
tiny, thin-walled vessels that allow for exchanges between systems; connect
capillary
Which type of blood vessels have the thinnest walls
capillaries
To what organs does the pulmonary circuit deliver blood?
lungs and heart
List the three types of vessels found in pulmonary circulation
pulmonary artery, capillaries, and veins
Which type of blood vessel has three layers, one of which is thick and muscular, that are separated by elastic tissue?
Artery
The most inferior portion of the aorta
abdominal aorta
What arteries supply the heart muscle
left and right coronary arteries
what artery supplies blood to the intestine
superior and inferior mesenteric artery
List the paired lateral branches of the abdominal aorta
phrenic, suparenal, renal, ovarion, testicular, and lumbar
what arteries supply the diaphragm
phrenic
The abdominal aorta finally divides into what two arteries
Common iliac arteries
The external iliac arteries continue into the thigh as what arteries
femoral and popliteal
The 1st branch of the subclavian artery?
vertebral artery
communication between two vessels
anastomosis
What is the purpose of an arterial anastomosis
blood reaches vital organs by more than one route
What is the superficial palmar arch formed by the union of?
radial and ulnar arteries
List the 3 largest superficial veins in the arm
cephalic, basilic, and median cubital
The longest veins in the body
saphenous veins
What veins drain the areas supplied by the carotid arteries?
jugular veins
What vein is formed by the union of the subclavian and jugular veins
brachiocephalic
Would a blood cell going from the left thumb to the heart pass through the jugular vein
no
What part of the body does the superior vena cava drain
head, neckm and upper extremities
What does the azygos vein drain and where does it empty?
veins of the chest; superior vena cava
Where do the lumbar veins drain
inferior vena cava
a large channel that drains deoxygenated blood, but does not have the usual tubular structure of the veins
venous sinus
List the Cranial Venous Sinus
cavernous, petrosal, superior sagittal and transverse (lateral)
What sinuses drain the opthalmic veins
cavernous
In a portal system, blood circulates through what before returning to the heart
a second capillary bed
In the hepatic portal system, the veins that drain blood from the spleen, stomach, pancreas, and intestine deliver blood to what organ instead of directly into the inferior vena cava
hepatic portal vein of the liver
What is the main process by which substances move between cells and the capillary blood?
plasma proteins
decrease in a blood vessels diameter, causing a decrease in blood flow
vasoconstriction
What does the precapillary sphincter do when tissues need more oxygen?
widens to allow more blood to enter
List three mechanisms that promote the return of blood to the heart
contraction of skeletal muscle, valves, breathing
The pulse is most commonly obtained at what artery?
radial artery
What fingers should be used to take a pulse?
second and third finger
Is the pulse generally faster in men or women?
women
Will a newborn have a fast or slow pulse?
fast
What effect will increase blood viscosity have on blood pressure
increase blood pressure
What instrument is used to measure blood pressure
sphygmomanometer
Blood pressure is reported as systolic pressure first, followed by what?
diastolic
What pressure occurs during relaxation of the heart muscle
diastolic
high blood pressure is also known as what?
hypertension
Hypertension that has no apparent medical cause is what?
essential hypertension
How does renin raise blood pressure
causes blood vessels to constrict and promotes kidney's retention of salt and water
hardening of the arteries
arteriosclerosis
bulging sac in the wall of a blood vessel caused by a localized weakness in that part of the vessel
aneurysm
What artery may be pressed to stop hemorrhage on the side of the face and around the ear?
temporal
What artery may be pressed to avoid serious hemorrhage of the lower extremity
femoral
refers to life-threatening condition in which there is inadequate blood flow to the body tissues
shock
a type of shock that is sometimes referred as pump failure, is often complication of heart muscle damage, as occurs in MI, the leading cause of shock death
Cardiogenic
another type of shock that is the 2nd leading type of shock it is usually the result of an overwhelming bacterial infection
septic
it is caused by a decrease in the volume of circulating blood and may follow severe hemorrhage or burns
Hypovolemic
is a severe allergic reaction to foreign substances to which the person has been sensitized.
Anaphylactic
a piece of clot that becomes loose and floats in the blood