BMS 300 Exam 3 material UPDATED
ACTUAL Exam Questions and CORRECT
Answers
______ is delivered to the heart; _____ and ______ are disposed of
(single cell organism) - CORRECT ANSWER - O2 is delivered; CO2 and NH3 are
disposed of
How many chambers does a fish heart have? what are they? - CORRECT ANSWER - 2-
atrium and ventricle
In mammals, is the cardiovascular system closed or open? - CORRECT ANSWER -
CLOSED
What are the 2 pumps in series in the mammalian heart? - CORRECT ANSWER - lung
(pulmonary) and systemic
What are the components of the 4 box model? - CORRECT ANSWER - right atrium, right
ventricle, left atrium, left ventricle
What do arteries do? - CORRECT ANSWER - carry blood AWAY from heart
What do veins do? - CORRECT ANSWER - carry blood TO heart
Tubes flow from... - CORRECT ANSWER - arteries to capillaries to veins
How does O2 enter a single celled organism? - CORRECT ANSWER - diffusion across
plasma membrane
,Does the ventricle push blood to or from the gills in a fish? - CORRECT ANSWER - to
the gills
Where does the atrium receive deoxygenated blood from? - CORRECT ANSWER -
systemic vasculature (AKA atrium)
Where are gill capilaries? - CORRECT ANSWER - gill epithelium
What type of blood heads to systemic vasculature? - CORRECT ANSWER - O2 rich
blood (which is then deoxygenated and sent to the atrium)
_____________ and ___________ pump blood into the right atrium - CORRECT
ANSWER - superior vena cava and the inferior vena cava
What does the right atrioventricular valve do? - CORRECT ANSWER - controls the
movement of blood from the right atrium to the right ventricle
The atrioventricular valve is a ___________ because it have ____ leaves - CORRECT
ANSWER - tricupsid, 3 leaves
How does blood leave the right ventricle? - CORRECT ANSWER - the pulmonary
artery(/valve)
How does blood enter the left atrium? - CORRECT ANSWER - pulmonary vein
What does the pulmonary vein deliver to the left atrium and where is it from? - CORRECT
ANSWER - O2 rich blood from lungs
What does the left atrioventricular valve do? - CORRECT ANSWER - controls the
movement of blood from the left atrium to the left ventricle
, The left atrioventricular valve is also what? - CORRECT ANSWER - bicuspid or mitral
valve (Bishop/Pope hat)
The cardiovascular system is closed because... (2 reasons) - CORRECT ANSWER - 1.
confined system with fluids
2. limited by pressure
What is the muscular wall of the atrium? - CORRECT ANSWER - atrial myocardium
Endothelial cells line the inside of what? - CORRECT ANSWER - the vena cava, both
ventricles and atriums
Where is blood oxygenated? - CORRECT ANSWER - lungs
Endocardium - CORRECT ANSWER - endothelial cells lining the chambers, valves, and
vessels of the heart; cover connective tissue
Myocardium - CORRECT ANSWER - muscle cells of chamber walls
Does the myocardium contact blood? - CORRECT ANSWER - no
Pericardium - CORRECT ANSWER - mesothelial cells forming a pericardial (fluid-filled)
sac for lubrication
the mesothelial cells that form the pericardial sac are attached to what? - CORRECT
ANSWER - the body wall via basal lamina
Does blood flowing in have a high or low pressure? - CORRECT ANSWER - low during
diastole filling phase
ACTUAL Exam Questions and CORRECT
Answers
______ is delivered to the heart; _____ and ______ are disposed of
(single cell organism) - CORRECT ANSWER - O2 is delivered; CO2 and NH3 are
disposed of
How many chambers does a fish heart have? what are they? - CORRECT ANSWER - 2-
atrium and ventricle
In mammals, is the cardiovascular system closed or open? - CORRECT ANSWER -
CLOSED
What are the 2 pumps in series in the mammalian heart? - CORRECT ANSWER - lung
(pulmonary) and systemic
What are the components of the 4 box model? - CORRECT ANSWER - right atrium, right
ventricle, left atrium, left ventricle
What do arteries do? - CORRECT ANSWER - carry blood AWAY from heart
What do veins do? - CORRECT ANSWER - carry blood TO heart
Tubes flow from... - CORRECT ANSWER - arteries to capillaries to veins
How does O2 enter a single celled organism? - CORRECT ANSWER - diffusion across
plasma membrane
,Does the ventricle push blood to or from the gills in a fish? - CORRECT ANSWER - to
the gills
Where does the atrium receive deoxygenated blood from? - CORRECT ANSWER -
systemic vasculature (AKA atrium)
Where are gill capilaries? - CORRECT ANSWER - gill epithelium
What type of blood heads to systemic vasculature? - CORRECT ANSWER - O2 rich
blood (which is then deoxygenated and sent to the atrium)
_____________ and ___________ pump blood into the right atrium - CORRECT
ANSWER - superior vena cava and the inferior vena cava
What does the right atrioventricular valve do? - CORRECT ANSWER - controls the
movement of blood from the right atrium to the right ventricle
The atrioventricular valve is a ___________ because it have ____ leaves - CORRECT
ANSWER - tricupsid, 3 leaves
How does blood leave the right ventricle? - CORRECT ANSWER - the pulmonary
artery(/valve)
How does blood enter the left atrium? - CORRECT ANSWER - pulmonary vein
What does the pulmonary vein deliver to the left atrium and where is it from? - CORRECT
ANSWER - O2 rich blood from lungs
What does the left atrioventricular valve do? - CORRECT ANSWER - controls the
movement of blood from the left atrium to the left ventricle
, The left atrioventricular valve is also what? - CORRECT ANSWER - bicuspid or mitral
valve (Bishop/Pope hat)
The cardiovascular system is closed because... (2 reasons) - CORRECT ANSWER - 1.
confined system with fluids
2. limited by pressure
What is the muscular wall of the atrium? - CORRECT ANSWER - atrial myocardium
Endothelial cells line the inside of what? - CORRECT ANSWER - the vena cava, both
ventricles and atriums
Where is blood oxygenated? - CORRECT ANSWER - lungs
Endocardium - CORRECT ANSWER - endothelial cells lining the chambers, valves, and
vessels of the heart; cover connective tissue
Myocardium - CORRECT ANSWER - muscle cells of chamber walls
Does the myocardium contact blood? - CORRECT ANSWER - no
Pericardium - CORRECT ANSWER - mesothelial cells forming a pericardial (fluid-filled)
sac for lubrication
the mesothelial cells that form the pericardial sac are attached to what? - CORRECT
ANSWER - the body wall via basal lamina
Does blood flowing in have a high or low pressure? - CORRECT ANSWER - low during
diastole filling phase
