med term exam 3

cardiovascular, respiratory, skeletal, muscular, endocrine

what is the overall function of the cardiovascular system

allows for delivery of needed substances to cells, as well as for the removal of wastes

what are the organs of the CV system

arteries, capillaries, veins, heart

aneurysm/o-

aneurysm

angi/o- and vacul/o-

vessel

aprt/o-

aorta

arteri/o-

artery

arteriol/o-

arteriole

arti/o-

atrium

ather/o-

fatty plaque

cardi/o- and coron/o-

heart

electro/o-

electricity

phleb/o- and ven/o-

vein

scler/o-

hardening

sept/o-

septum

-gram

record, recording

-tomy

incision

-ectomy

excision, removal

what are the two parts of the circulatory system

pulmonary and systemic

what does the pulmonary circulation do?

transports deoxygenated blood to the lungs to get oxygen and then back to the heart

what does the systemic circulation do?

it caries oxygenated blood away from the heart to the tissues and cells and then back to the heart

what is the structure of the heart

endocardium, myocardium, epicardium

what is the endocardium?

serous membrane that lines the four chambers and valves

what is the myocardium?

the muscular layer of the heart

what is the epicardium

the outer layer

what are the three types of blood vessels?

arteries, capillaries, veins

what cant innervate blood vessels and what can control them?

parasympathetic cant innervate, sympathetic controls

what is vasoconstriction?

decreased diameter due to increase in sympathetic activity

what is vasodilation?

increased diameter due to decrease in sympathetic activity

what is blood pressure?

force exerted by blood against the arterial walls during the phases of a heartbeat

what is the diastole phase?

the relaxation phase where ventricles fill with blood

what is the systole phase?

the contraction phase where blood is forced out of the heart

how can you measure bp?

sphygomanometer and tonometer

what factors can affect bp?

resistance of blood flow within blood vessels

pumping action of the heart

viscosity of blood

elasticity of arteries

quantity of blood in the vascular system

enlargment of the heart

cardio/megaly

tumor of fatty plaque

ather/oma

rupture of artery

arterio/rrhexis

pertaining to a ventricle

ventricul/ar