KINES 380 EXAM 2 QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED
A+||BRAND NEW
Purposes of the cardiorespiratory system Ans✓✓✓transport O2 and
nutrients to tissues
Removal of C02 wastes from tissues
regulation of body temperature
two major adjustments of blood flow during exercise Ans✓✓✓Increased
Cardiac output
redistribution of blood flow
Pulmonary circuit Ans✓✓✓Oxygen poor blood leaves the heart via the
pulmonary arteries and returns it via the pulmonary veins
Right side
Systemic Circut Ans✓✓✓Left side of heart
Pumps oxygenated blood to whole body via arteries
returns deoxygenated blood to the heart via veins
epicardium Ans✓✓✓serous membrane including blood capillaries,
lympch capillaries, and nerve fibers
serves as lubricative outer covering
,Mycardium Ans✓✓✓cardiac muscle tissue separated by connective
tissues including blood capillaries, lymph capillaries, and nerve fibers
provides muscular contractions
Endocardium Ans✓✓✓endothelial tissue and a thick subendothelial
layer of elastic and collagenous fibers
serves as protective inner lining of the chambers and valves
intercalated discs Ans✓✓✓allow heart muscle to contract
simultaneously and are the cellular junctions in the heart muscle
Heart muscle features Ans✓✓✓shorter than skeletal fibers and
branching
intercalated disks
involuntary control
systole Ans✓✓✓contraction phase
ejection of blood
pressure rises in ventricle
diastole Ans✓✓✓at rest longer in rest
shorter during exercise
relaxation phase
filling with blood
, pressure is low in ventricle
Heart sounds Ans✓✓✓first is the closing of AV valves
Second: closing of aortic and pulmonary valves
Hypertension Ans✓✓✓140/90mmhg there are primary and secondary
Primary (essential hypertension) Ans✓✓✓cause unknown
90% cases
Secondary hypertension Ans✓✓✓result of some other disease process
factors that feed into an increase in blood pressure Ans✓✓✓blood
volume increase
heart rate increases
stroke volume increase
blood viscosity increases
peripheral resistance increases
risk factors for hyper tension Ans✓✓✓left ventricular hypertrphy
Atherosclerosis and heart attack
Kidney damage
stroke
ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED
A+||BRAND NEW
Purposes of the cardiorespiratory system Ans✓✓✓transport O2 and
nutrients to tissues
Removal of C02 wastes from tissues
regulation of body temperature
two major adjustments of blood flow during exercise Ans✓✓✓Increased
Cardiac output
redistribution of blood flow
Pulmonary circuit Ans✓✓✓Oxygen poor blood leaves the heart via the
pulmonary arteries and returns it via the pulmonary veins
Right side
Systemic Circut Ans✓✓✓Left side of heart
Pumps oxygenated blood to whole body via arteries
returns deoxygenated blood to the heart via veins
epicardium Ans✓✓✓serous membrane including blood capillaries,
lympch capillaries, and nerve fibers
serves as lubricative outer covering
,Mycardium Ans✓✓✓cardiac muscle tissue separated by connective
tissues including blood capillaries, lymph capillaries, and nerve fibers
provides muscular contractions
Endocardium Ans✓✓✓endothelial tissue and a thick subendothelial
layer of elastic and collagenous fibers
serves as protective inner lining of the chambers and valves
intercalated discs Ans✓✓✓allow heart muscle to contract
simultaneously and are the cellular junctions in the heart muscle
Heart muscle features Ans✓✓✓shorter than skeletal fibers and
branching
intercalated disks
involuntary control
systole Ans✓✓✓contraction phase
ejection of blood
pressure rises in ventricle
diastole Ans✓✓✓at rest longer in rest
shorter during exercise
relaxation phase
filling with blood
, pressure is low in ventricle
Heart sounds Ans✓✓✓first is the closing of AV valves
Second: closing of aortic and pulmonary valves
Hypertension Ans✓✓✓140/90mmhg there are primary and secondary
Primary (essential hypertension) Ans✓✓✓cause unknown
90% cases
Secondary hypertension Ans✓✓✓result of some other disease process
factors that feed into an increase in blood pressure Ans✓✓✓blood
volume increase
heart rate increases
stroke volume increase
blood viscosity increases
peripheral resistance increases
risk factors for hyper tension Ans✓✓✓left ventricular hypertrphy
Atherosclerosis and heart attack
Kidney damage
stroke
