which of the following is MORE common in elderly:
CAD
CHF
Atherosclerosis
Decreased blood flow to the brain
All are more common in the elderly
What is all are more common in the elderly
200
endothelium consists of what?
What is simple squamous epithelium
200
resistance is related to (3 things)
What is viscosity, vessel length, and size of lumen
200
the circulatory route which brings blood to the tissues and back to the heart is the?
What is systemic circulation
200
a thin weakened section of an artery or vein that bulges out is called ?
What is aneurysm
200
the arteries are "hardened" by deposits within the wall is known as what?
What is atherosclerosis
300
venous return is due to (3 ways)
What is contraction of the heart, skeletal muscle pump, and respiratory pump
300
blood pressure is highest in the ?
What is arteries
300
main vein draining blood from the heart tissue is the ?
What is coronary sinus
300
name 2 symptoms of shock
What is increased levels of aldosterone, rapid resting heart rate (tachycardia), cool pale skin, and sweating
300
pulse is a direct reflection of what?
What is heart rate
400
where is blood flow the slowest?
What is veins
400
baroreceptors are located in the?
What is aorta and internal carotid arteries
400
blood from from the heart to the lungs is called ?
What is pulmonary circulation
400
which of the following does NOT help prevent hypertension or lower blood pressure:
lower K, Ca, Mg
don't smoke
reduce Na
exercise
reduce/manage stress
What is lower K, Ca and Mg
400
which of the following is NOT true concerning atherosclerosis:
stable plaque has a low lipid content
stable plaque doesn't grow much
unstable plaque has a low lipid content
unstable plaque is more likely to rupture than stable plaque
unstable plaque often contains a larger number of macrophages
What is unstable plaque has a low lipid content
500
movement of blood from the abdominal veins into the thoracic veins is what?
What is pressure difference between the abdominal and thoracic cavity
500
sympathetic stimulation results in
What is increase in blood pressure
500
blood rich in substances absorbed from the gastrointestinal tract is
What is hepatic circulation (hepatic portal circuit)
500
formation of new blood vessel is referred to as ?
What is angiogenesis
500
List 3 changes in the cardiovascular system related to the aging process
What is reduced CO, increased systolic BP, decreased max heart rate