BMS 300 Exam 3 ACTUAL Exam Questions
and CORRECT Answers
T or F The fluid between the layers of the mesothelium allows the hearts to slide against the
body wall with reduced friction - CORRECT ANSWER -T
pericardium attached to the heart
a. atrioventricular valve closes
b. isovolumetric relaxation
c. visceral pericardium
d. mesothelium
e. isovolumetric contration
f. endothelial
g. atrioventricular valve opens - CORRECT ANSWER -c
Volume does not change, pressure increases
a. atrioventricular valve closes
b. isovolumetric relaxation
c. visceral pericardium
d. mesothelium
e. isovolumetric contration
f. endothelial
g. atrioventricular valve opens - CORRECT ANSWER -e
cells that line the inside of the heart and valves
a. atrioventricular valve closes
b. isovolumetric relaxation
c. visceral pericardium
,d. mesothelium
e. isovolumetric contration
f. endothelial
g. atrioventricular valve opens - CORRECT ANSWER -f
volume does not change, pressure decreases
a. atrioventricular valve closes
b. isovolumetric relaxation
c. visceral pericardium
d. mesothelium
e. isovolumetric contration
f. endothelial
g. atrioventricular valve opens - CORRECT ANSWER -b
At point C of the pressure volume curve (PV curve)
a. The ventricular pressure is greater than the aortic/pulmonary pressure
b. The aortic valve opens
c. The atrial muscle contracts
d. The atrioventricular valve opens
e. a and b
f. c and d - CORRECT ANSWER -e
Z-lines _______________ during ventricular contraction (systole)
a. lengthen
b. shorten
c. don't move - CORRECT ANSWER -b
, Long term (months to years) increases in the pressure required to open the pulmonary valve
would be expected to increase the thickness of the myocardium in the
a. Right ventricle
b. Right atrium
c. Left ventricle
d. Left atrium
e. Aorta - CORRECT ANSWER -a
During _____________ the pressure in the ventricle is increasing and the aortic valve is closed
due to pressure in the __________.
a. isovolumetric contraction; left ventricle
b. isovolumetric contraction; aorta
c. isovolumetric relaxation; left ventricle
d. isovolumetric relaxation; aorta - CORRECT ANSWER -b
The amount of blood remaining in the left ventricle after the ejection phase is known as
a. End Diastolic Volume
b. End Systolic Volume
c. Stroke Volume - CORRECT ANSWER -b
myocardium - CORRECT ANSWER - force generating cells of the heart
endocardium - CORRECT ANSWER - cells that directly contact blood in the heart
pericardium - CORRECT ANSWER - mesothelial cells that reduce friction between the
heart and body wall
what is the route of blood flow in a closed system?
a. artery, arteriole, capillary, venule, vein
and CORRECT Answers
T or F The fluid between the layers of the mesothelium allows the hearts to slide against the
body wall with reduced friction - CORRECT ANSWER -T
pericardium attached to the heart
a. atrioventricular valve closes
b. isovolumetric relaxation
c. visceral pericardium
d. mesothelium
e. isovolumetric contration
f. endothelial
g. atrioventricular valve opens - CORRECT ANSWER -c
Volume does not change, pressure increases
a. atrioventricular valve closes
b. isovolumetric relaxation
c. visceral pericardium
d. mesothelium
e. isovolumetric contration
f. endothelial
g. atrioventricular valve opens - CORRECT ANSWER -e
cells that line the inside of the heart and valves
a. atrioventricular valve closes
b. isovolumetric relaxation
c. visceral pericardium
,d. mesothelium
e. isovolumetric contration
f. endothelial
g. atrioventricular valve opens - CORRECT ANSWER -f
volume does not change, pressure decreases
a. atrioventricular valve closes
b. isovolumetric relaxation
c. visceral pericardium
d. mesothelium
e. isovolumetric contration
f. endothelial
g. atrioventricular valve opens - CORRECT ANSWER -b
At point C of the pressure volume curve (PV curve)
a. The ventricular pressure is greater than the aortic/pulmonary pressure
b. The aortic valve opens
c. The atrial muscle contracts
d. The atrioventricular valve opens
e. a and b
f. c and d - CORRECT ANSWER -e
Z-lines _______________ during ventricular contraction (systole)
a. lengthen
b. shorten
c. don't move - CORRECT ANSWER -b
, Long term (months to years) increases in the pressure required to open the pulmonary valve
would be expected to increase the thickness of the myocardium in the
a. Right ventricle
b. Right atrium
c. Left ventricle
d. Left atrium
e. Aorta - CORRECT ANSWER -a
During _____________ the pressure in the ventricle is increasing and the aortic valve is closed
due to pressure in the __________.
a. isovolumetric contraction; left ventricle
b. isovolumetric contraction; aorta
c. isovolumetric relaxation; left ventricle
d. isovolumetric relaxation; aorta - CORRECT ANSWER -b
The amount of blood remaining in the left ventricle after the ejection phase is known as
a. End Diastolic Volume
b. End Systolic Volume
c. Stroke Volume - CORRECT ANSWER -b
myocardium - CORRECT ANSWER - force generating cells of the heart
endocardium - CORRECT ANSWER - cells that directly contact blood in the heart
pericardium - CORRECT ANSWER - mesothelial cells that reduce friction between the
heart and body wall
what is the route of blood flow in a closed system?
a. artery, arteriole, capillary, venule, vein
