Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
23 Cards in this Set
- Front
- Back
|
Three Classes of Vessels
|
*arteries
*capillaries *veins |
|
|
arteries
*carry blood ___ *carry oxygen___ blood in ___ circuit *carry oxygen___ blood in ___ circuit and ___ arteries *___ is union of 2 blood vessels |
*away from heart
*oxygen rich blood to systemic circuit *oxygen poor blood in pulmonary circuit and umbilical arteries |
|
|
capillaries
*location of __ and ___ exchange between __ and ___ |
gas and nutrient
vessels and tissues |
|
|
Veins
*transport blood __ heart *carry ___ blood in the ___ circuit *carry ___ blood in ___ circuit and umbilical vein |
*toward heart
*oxygen poor blood in systemin *oxygen rich blood in pulmonary and umbilical vein |
|
|
comparison of vessel structure
*Arteries -thickest ___ *capillaries -only _____ -allow rapid ____ *veins -thickest ____ -smaller ___ than arteries -has ___ |
-thickest tunica media
-tunica intima -gas exchange -tunica externa -tunica media -valves |
|
|
vessel pathway
|
heart --> elastic artery --> muscular artery --> arteriole --> capillary --> venule --> medium vein --> large vein --> heart
|
|
|
elastic arteries
*ex: ___ *___ arteries between ___ *high elastic content allows arteries to ___ and ____ blood pressure *__ and its major branches |
*brachiocephalic
*elastic; heart and muscular arteries *stretch and dampen surges; reduce *aorta. major branches (brachiocephalic, common carotid, subclavian, common iliac arteries, etc.) |
|
|
Aortic Branches
*_____ artery/trunk -only 1 on right side. *left ___ artery *left ___ artery |
*brachiocephalic
*common carotid *subclavian |
|
|
muscular arteries
*____ arteries, ___blood to the ___ *thick ___ *actively ____ of ___ to regulate ___ *most of arteries from lab like __ |
*distributing; distribute; body and organs tissues
*tunica media *changes diameter; lumen; blood flow to tissues *brachial, coronary, inferior mesenteric, etc |
|
|
Arterioles
*___ arteries *lead to ___ *diameter regulated by ___ |
*smallest
*capillary beds *local tissue factors, sympathetic nervous system |
|
|
Capillaries
*___ of the cardiovascular system. ____ exchange between blood and tissue *___ vessels, ___ only *capillary ___. network of capillaries that run through body tissues *3 types |
*functional units; gas, nutrients, waste
*smallest; endothelium *bed *continuous, fenestrated, sinusoid |
|
|
Types of Capillaries
*Continuous: most ___ type, examples __ *Fenestrated: examples ___ *sinusoid: examples ___ |
*common; muscle, skin, thymus, lungs, CNS
*small intestine, most endocrine glands, kidneys *bone marrow, spleen, liver |
|
|
Venules
*___ veins *primary location of ___ *___ join to form veins |
*smallest
*diapedesis *venules |
|
|
Veins
*___ blood to heart *act as blood ___ *walls of veins are ___ *__ blood pressure *most contain __ *___ help pump blood toward heart |
*returns
*reservoir *thinner *low *valves *skeletal muscle contractions |
|
|
Hepatic Portal System
*see slide 2 on page 137 |
yep.
|
|
|
varicose veins
*______ __ leads to blood pooling in the ______ *result of _____, ___, or ____ that inhibits ___ *___ are varicose veins of the anorectal region. caused by ___ |
*dysfunctional valves; superficial limb veins
*genetic predisposition, aging, strain (obesity, pregnancy, standing); venous return *hemorrhoids; increased intraabdominal pressure (poop, birth) |
|
|
Fetal Circulation
*umbilical cord -__ arteries (become ___ after birth) -__ vein (become __ after birth) *__ __, diverts blood from __. becomes __ after birth |
-2; medial umbilical ligaments
- 1; round ligament of liver or ligamentum teres *ductus venosus, liver, ligamentum venosum |
|
|
Foramen Ovale
*diverts blood from ____ (bypass __) *becomes ___ after birth Ductus arteriosus *diverts blood from ___ (bypass __) *becomes ___ after birth |
*right atrium to left atrium; immature lungs
*fossa ovalis *pulmonary trunk to aortic arch (bypass immature lungs) *ligamentum arteriosum |
|
|
patent ductus arteriosis
*____ stays open after birth *if untreated, ___ can lead to ___ *treated with ___ |
*ductus arteriosus
*PDA; right ventricle failure *prostagalndin inhibitors or surgery |
|
|
Atherosclerosis
*linked to over ___ *progressive disease of the _____ arteries -___ arteries most affected *___(fatty plaque) -thickening of ___ -___ of arterial lumen |
*50% of all deaths in US
*elastic and muscular arteries -aorta and coronary arteries *atheroma -tunica intima -narrowing |
|
|
Atherosclerosis
*risk factors ___ *treatments ___ *best treatment is ___ -___healthy diet and watch ___ -don't ___ -monitor ___ |
*genetics, sex, age, smoking, hypertension
*angioplasty, stents, coronary bypass surgery *prevention -maintain; cholesterol -smoke -blood pressure |
|
|
Abdominal Aortic Aneurism
*localized ___, specifically arteries *most often caused by ___ *may be detected through ___ *may be treated with __ |
*dilation of blood vessel
*atherosclerosis *abdominal palpation, xray, ultrasound *artificial vascular prosthesis or stents through femoral artery |
|
|
Cerebrovascular Accident
*known as __ *caused by ___ *___ is a blood clot forme within the brain blood vessel *___ is a blood clot formed in another blood vessel that migrates to brain *can lead to ___ |
*stroke
*blockage of brain blood vessel *thrombus *embolus *death of brain tissue |
