4 Review Qs MT chapter 5 and MA ch 12 Flashcards
what is the heart’s pacemaker?
sinatrial node
where are eosinophils formed? what do they do?
made in red bone marrow and destroys parasitic organisms and plays a major role in allergic reactions
what is the bicuspid vale also known as?
mitral valve
which chamber pumps blood into the pulmonary artery?
right ventricle
what is the inner lining of the heart?
endocardium
what is the external layer of the heart?
epicardium
what is the sac enclosing the heart?
pericardium
what is cardiac muscle?
myocardium
what is an abnormally slow resting heart rate called?
bradycardia
what is the most common type of WBC?
neutrophils
what is a foreign object circulating in the blood?
embolus
what chamber carries blood to all parts of the body except the lungs?
left ventricle
high-density lipoprotein cholesterol is known as what?
good cholesterol
what is it called when the heart quivers instead of pumping?
atrial fibrillation
what is the highest pressure against the blood vessel called?
systolic pressure
what is a deficiency of blood passing through an organ or body part?
hypoperfusion
what do you call an irregular heart beat?
arrhythmia
what works to slow the heart rate thus reducing the workload of the heart?
beta blocker
what is administered to lower blood pressure?
antihypertensive
what is it called when clotting proteins are removed from plasma?
serum
what is anemia?
an abnormally small number of platelets in the circulating blood
what is the inability of the heart valve to close completely?
valvular prolapse
what is a benign tumor made up of newly formed blood vessels?
hemangioma
what is a deposit of plaque on or within the arterial wall?
atheroma
what is the term that means to stop or control bleeding?
hemostasis
what is any pathological condition of the cellular elements of the blood?
blood dyscrasia
what is the circulatory system made up of?
the heart, blood, and blood vessels
what are the four chambers of the heart?
right atrium, right ventricle, left atrium, left ventricle
what is the thick, muscular partition between the right and left ventricles?
interventricular septum
what are the valves called between the atria and ventricles?
atrioventricular (AV) valves
what are the valves called at the base of the large vessels leaving the ventricles?
semilunar (SL) valves
what is the purpose of the AV valves?
to prevent backflow of blood from the ventricle back into the atrium
what are the two AV valves and where are they located?
tricuspic valve is located between the right atrium and right ventricle; bicuspid or mitral valve is located between the left atrium and left ventricle
what are the semilunar valves are where are they located?
the pulmonary (SL) valve is located at the exit of the right ventricle; the aortic (SL) valve is at the exit of the left ventricle in the base of the ascending aorta
what is pulmonary circulation?
blood circulation pertaining to the lungs
what is systemic circulation?
blood circulation pertaining to the rest of the body except for the lungs
