WGU D313 ANATOMY AND PHYSIOLOGY II | QUESTIONS AND
ANSWERS | VERIFIED ANSWERS | LATEST EXAM UPDATE
dextrocardia; situs inversus.
The heart is on the right side of the thorax in a very small percentage of people.
These people have a condition called _______ , which is a developmental
anomaly.
When the position of the organs of the abdomen is also affected, the condition is
known as __________.
Where is the heart positioned?
It is superior to the diaphragm.
It is medial to the lungs.
deoxygenated blood
refers to the blood that has low oxygen saturation relative to blood leaving the
lungs
oxygenated blood
refers to the blood that has been exposed to oxygen in the lungs
cardiac muscle
an involuntary, striated muscle that makes up the walls of the heart
myocardium
one of the layers of the heart wall, it includes cardiac muscle fibers
diaphragm
a large dome-shaped muscle located within the chest cavity, just below the lungs
sternum
a long flat bone located in the central part of the chest
base
, located at the level of the third costal cartilage or the third bone of the rib cage
apex
located at the sternum between the fourth and fifth ribs
pericardium
a thin, fluid-filled sac that covers the outer surface of the heart
pericardial cavity
a narrow cavity filled with a thin serous fluid, called pericardial fluid
pericardial fluid
a thin serous fluid
endocardium
a smooth, thin membrane lining the inner surface of the heart chambers
myocardium
the heart muscle composed of cardiac muscle fibers
epicardium
the thin, outer membrane of the heart wall
endo
means inner
myo
means muscle
epi
means above
atria
two upper chambers of the heart that are positioned near its base
auricles
small semi-elastic pouches within the atria that expand when filled with blood
atrioventricular valves
these valves close to prevent blood from flowing back into the atria
ANSWERS | VERIFIED ANSWERS | LATEST EXAM UPDATE
dextrocardia; situs inversus.
The heart is on the right side of the thorax in a very small percentage of people.
These people have a condition called _______ , which is a developmental
anomaly.
When the position of the organs of the abdomen is also affected, the condition is
known as __________.
Where is the heart positioned?
It is superior to the diaphragm.
It is medial to the lungs.
deoxygenated blood
refers to the blood that has low oxygen saturation relative to blood leaving the
lungs
oxygenated blood
refers to the blood that has been exposed to oxygen in the lungs
cardiac muscle
an involuntary, striated muscle that makes up the walls of the heart
myocardium
one of the layers of the heart wall, it includes cardiac muscle fibers
diaphragm
a large dome-shaped muscle located within the chest cavity, just below the lungs
sternum
a long flat bone located in the central part of the chest
base
, located at the level of the third costal cartilage or the third bone of the rib cage
apex
located at the sternum between the fourth and fifth ribs
pericardium
a thin, fluid-filled sac that covers the outer surface of the heart
pericardial cavity
a narrow cavity filled with a thin serous fluid, called pericardial fluid
pericardial fluid
a thin serous fluid
endocardium
a smooth, thin membrane lining the inner surface of the heart chambers
myocardium
the heart muscle composed of cardiac muscle fibers
epicardium
the thin, outer membrane of the heart wall
endo
means inner
myo
means muscle
epi
means above
atria
two upper chambers of the heart that are positioned near its base
auricles
small semi-elastic pouches within the atria that expand when filled with blood
atrioventricular valves
these valves close to prevent blood from flowing back into the atria
