HONDROS BIO 117 LECTURE 10 CH.
16 AND 17 EXAM QUESTIONS &
CORRECT ANSWERS
Myocardium - correct answer ✔✔This thick muscular layer is responsible for the pumping of
the blood
The heart is found in the _____________ cavity, specifically contained inside the mediastinum -
correct answer ✔✔Thoracic
Where is the heart positioned where? - correct answer ✔✔In between both lunge and slightly
to the left of the midline
The base of the heart is located where? - correct answer ✔✔The 2nd rib
The apex of the heart is located where? - correct answer ✔✔5th intercostal space
Endocardium - correct answer ✔✔"Inside layer"
Epicardium - correct answer ✔✔This part of the pericardial sac is directly attached to the heart.
We can also call this serous membranes visceral pericardium
Pericardium - correct answer ✔✔This part if the pericardial sac is continuous with the
epicardium, though it does not directly touch the heart. We can also call the serous membrane.
In-between the epicardium and pericardium, there is a special fluid called ____________ fluid. -
correct answer ✔✔Serous.
, This helps to reduce friction from the heart and surrounding organs when it beats.
Septum - correct answer ✔✔This thick structure runs down the middle of the heart and
separates the inside into right and left parts.
Coronary arteries - correct answer ✔✔blood vessels that deliver oxygenated blood to the heart
tissue.
Coronary veins - correct answer ✔✔blood vessels that drain deoxygenated blood from the
heart tissue.
Coronary sinus - correct answer ✔✔all of the coronary veins merged, the large vein of the heart
which will drain into the right atria
How many times does the heart pump blood? - correct answer ✔✔Twice, one to the lungs to
get oxygen (pulmonary circulation) then pumps it to the body (systemic circulation) to deliver
this oxygen
Pulmonary circulation (order) - correct answer ✔✔Right ventricle (DO2)
Pulmonary arteries (DO2)
Lungs
Pulmonary veins (O2)
Systemic circulation (order) - correct answer ✔✔Left ventricle (O2)
aorta-large artery (O2)
arteries (O2)
capillaries
veins (DO2)
16 AND 17 EXAM QUESTIONS &
CORRECT ANSWERS
Myocardium - correct answer ✔✔This thick muscular layer is responsible for the pumping of
the blood
The heart is found in the _____________ cavity, specifically contained inside the mediastinum -
correct answer ✔✔Thoracic
Where is the heart positioned where? - correct answer ✔✔In between both lunge and slightly
to the left of the midline
The base of the heart is located where? - correct answer ✔✔The 2nd rib
The apex of the heart is located where? - correct answer ✔✔5th intercostal space
Endocardium - correct answer ✔✔"Inside layer"
Epicardium - correct answer ✔✔This part of the pericardial sac is directly attached to the heart.
We can also call this serous membranes visceral pericardium
Pericardium - correct answer ✔✔This part if the pericardial sac is continuous with the
epicardium, though it does not directly touch the heart. We can also call the serous membrane.
In-between the epicardium and pericardium, there is a special fluid called ____________ fluid. -
correct answer ✔✔Serous.
, This helps to reduce friction from the heart and surrounding organs when it beats.
Septum - correct answer ✔✔This thick structure runs down the middle of the heart and
separates the inside into right and left parts.
Coronary arteries - correct answer ✔✔blood vessels that deliver oxygenated blood to the heart
tissue.
Coronary veins - correct answer ✔✔blood vessels that drain deoxygenated blood from the
heart tissue.
Coronary sinus - correct answer ✔✔all of the coronary veins merged, the large vein of the heart
which will drain into the right atria
How many times does the heart pump blood? - correct answer ✔✔Twice, one to the lungs to
get oxygen (pulmonary circulation) then pumps it to the body (systemic circulation) to deliver
this oxygen
Pulmonary circulation (order) - correct answer ✔✔Right ventricle (DO2)
Pulmonary arteries (DO2)
Lungs
Pulmonary veins (O2)
Systemic circulation (order) - correct answer ✔✔Left ventricle (O2)
aorta-large artery (O2)
arteries (O2)
capillaries
veins (DO2)
