BIO 202 LECTURE EXAM 2 QUESTIONS
WITH CORRECT ANSWERS 2026-2027
The Heart chapter 19 & 20 - CORRECT ANSWER -Study
1. What does the cardiac system consist of:
A. Heart, arteries, and skeletal tissue
B. Heart, lungs, veins, and capillaries
C. Heart, arteries, veins, and capillaries
D. Heart, arteries, veins, nerves, and capillaries - CORRECT ANSWER -
C. Heart, arteries, veins, nerves, and capilles
2. What are 2 major divisions of the cardiovascular system?
A. Pulmonary Circuit-right side of the heart carriesRblood to lungs for gas exchange, Systemic Circuit-
right side of heart supplies blood to all organs of the body
B. Pulmonary Circuit- right of the heart carries blood to lungs for gas exchange, SystemicRCircuit-
left side of heart supplies blood to all organs of the body
C. Pulmonary CircuitR-left of the heart carries blood to lungs for oxygen exchange, Systemic Circuit-
right side of heart supplies blood to all organs of the body
D. Pulmonary Circuit- left of the heart carries blood to lungs in exchange for oxygen, Systemic Circuit-
left side of heart supplies blood to all organs of the body - CORRECT ANSWER -B. Pulmonary Circuit-
right of the heart carries blood to lungs for gas exchange, Systemic Circuit-
left side of heart supplies blood to all organs of the body
3. Heart Position and Shape: Which statement is TRUE?
A. Heart is located in the pericardium, Base of the heart is the broad inferior portion of the heart, Apex
of the heart is the superior end, tilts to the left, tapersRto point
B. Heart is located in the pericardium, Base of the heart is the broad superior portion of the heart, Apex
of the heart is the inferior end, tilts to the left, tapers to point
C. Heart is located in the mediastinum, Base of the heart is the inferior portion of heart, Apex of the hea
rt is the superior end, tilts to the right, tapers to point
D. Heart is located in the mediastinum, Base of the heart is the broad superior portion of heart, Apex of
the heart is the inferior end, tilts to the left, tapers to point - CORRECT ANSWER -
,D. Heart is located in the mediastinum, Base of the heart is the broad superior portion of heart, Apex of
the heart is the inferior end, tilts to the left, tapers to point
4. What consist of the membrane around the heart that allows the heart to beat with?
A. Pericardium consists of the membranes around the heart to beat with minimal friction, provides roo
m for the heart to expand but resists excessive expansion
B. Pericardium consists of the membrane around the heart to beat with maximum friction, provides roo
m for the heart to constrict but resists excessive expansion
C. Mediastinum consists of the membranes around the heart to beat with minimal friction, provides roo
m for the heart to expand but extend to excessive expansion
D. Mediastinum consists of the membranes around the heart to beat with maximum friction, provides r
oom for heart to constrict but extend to excessive expansion - CORRECT ANSWER -
A. Pericardium consists of the membranes around the heart to beat with minimal friction, provides roo
m for the heart to expand but resists excessive expansion
5. The Percardail Sac is also known as what and has two layers?
A. Parietal pericardium, -Fibrous layer: inner, soft layer, fibrous layer of CT, -
Serous layer: inner, thin, rough., moist membrane
B. Parietal pericardium, -Fibrous layer: outer, tough layer, fibrous layer of CT, -
Serous layer: inner, thin, smooth., dry membrane
C. Parietal pericardium, -Fibrous layer: inner, soft layer, fibrous layer of CT, -
Serous layer: inner, thin, rough., moist membrane
D. Parietal pericardium, -Fibrous layer: outer, tough, fibrous layer of CT, -
Serous layer: inner, thin, smooth., moist membrane - CORRECT ANSWER -D. Parietal pericardium, -
Fibrous layer: outer, tough, fibrous layer of CT, -Serous layer: inner, thin, smooth., moist membrane
6. Differentriate between Pericardial Cavity and Visceral Pericardium?
A. Pericardium (AKA the epicardium) is the thin, smooth, moist serous layer thatRcovers heart surface. Vi
sceral Pericardium is the space between heart and pericardial sac that is filled with pericardial fluid that
acts as a lubricant.
B. Pericardial cavity is the space between heart and pericardial sac that is filled with pericardial fluid tha
t acts as a lubricant. Visceral Pericardium ( AKAthe epicardium) is the sthin, smooth, moist serous layer t
hat covers heart surface.
,C. Pericardium (AKA the epicardium) is the thick, rough, moist serous layer that covers heart surface. Vis
ceral Pericardium is the space between heart and pericardial sac that is filled with pericardial fluid that
act as a lubricant.
D. Pericardial cavity is the space between heart and pericardial sac that is filled with pericardial fluid tha
t acts as a lobe. Visceral Pericardi - CORRECT ANSWER -
B. Pericardial cavity is the space between heart and pericardial sac that is filled with pericardial fluid tha
t acts as a lubricant. Visceral Pericardium ( AKAthe epicardium) is the thin, smooth, moist serous layer th
at covers heart surface.
7. What are the 3 Layers of the Heart Wall?
A. Epicardium(Visceral pericardium), Myocardium-thick layer of cardiac muscle -
fibrous skeleton is a network of collagen fibers and elastic fibers woven in between the cardiac muscle c
ells that provide structural support and elasticity that provides attachment for cardiac muscle cells as w
ell as a nonconductor important in coordinating contractile activities, Endocardium -
smooth inner lining of simple squamous epithelium that is equivalent to the lining of blood vessels
B. Epicardium(Peripheral pericardium), Myocardium-thick layer of cardiac muscle -
fibrous skeleton is a network of collagen fibers and elastic fibers woven in between the cardiac muscle c
ells that provide structural support and elasticity that provides attachment for skeletal muscle cells as w
ell as a nonconductor important in coordinating contractile activities, Endocardium -
smooth inner lining of simple squ - CORRECT ANSWER -
A. Epicardium(Visceral pericardium), Myocardium-thick layer of cardiac muscle -
fibrous skeleton is a network of collagen fibers and elastic fibers woven in between the cardiac muscle c
ells that provide structural support and elasticity that provides attachment for cardiac muscle cells as w
ell as a nonconductor important in coordinating contractile activities, Endocardium -
smooth inner lining of simple squamous epithelium that is equivalent to the lining of blood vessels
8. What is Bacteria Endocarditis?
A. is an infection caused by white blood cells that invade the bloodstream and settle in the heart lining,
a heart valve or a blood vessel.
B. is an infection caused by antibodies that enter the bloodstream and settle in the heart lining, a heart
valve or a blood vessel
C. is an infection caused by bacteria that enter the bloodstream and settle in the heart lining, a heart val
ve or a blood vessel
D. is an infection caused by swelling that constricts the bloodstream and settle in the heart lining, a hear
t valve or a blood vessel - CORRECT ANSWER -
C. is an infection caused by bacteria that enter the bloodstream and settle in the heart lining, a heart val
ve or a blood vessel
, 9. What is a Heart sounds, Auscultation, and describe (S1), (S2), (S3)?
A. Heart sounds are due to turbulent flow of blood as heart valves close. Auscultation is listening to sou
nds made by the body. (S1) is the firstRheart sound that is louder and longer, "LUBB", occurs when the A
V valves close. (S2) is the second heart sound that is softer and sharper, "DUPP'', occurs when the semil
unar valves close. (S3) a third heart sound is rarely audible in people older than 30 and is known as a tri
ple rhythm or gallop.
B. Heart sounds are due to turbulent flow of blood as heart valves opening. Auscultation is listening to s
ounds made by the Heart. (S1) is the first heart sound that is louder and longer, "LUBB", occurs when th
e AV valves close. (S2) is the second heart sound that is softer and sharper, "DUPP'', occursRwhen the se
milunar valves close. (S3) a third heart sound is rarely audible in people older than 30 and is kno -
CORRECT ANSWER -
A. Heart sounds are due to turbulent flow of blood as heart valves close. Auscultation is listening to sou
nds made by the body. (S1) is the firstRheart sound that is louder and longer, "LUBB", occurs when the A
V valves close. (S2) is the second heart sound that is softer and sharper, "DUPP'', occurs when the semil
unar valves close. (S3) a third heart sound is rarely audible in people older than 30 and is known as a tri
ple rhythm or gallop.
10. What is a Cardiac Cycle?
A. One Cardiac cycle is the complete relaxation (systole) and contraction (distole) of all 4 chambers of th
e heart followed by a brief period of inactivity
B. One Cardiac cycle is the complete contraction (systole) and relaxation (distole) of all 4 chambers of th
e heart followed by a brief period of inactivity
C. One Cardiac cycle is the complete relaxation (systole) and contraction (distole) of all 2 chambers of th
e heart followed by a brief period of inactivity
D. One Cardiac cycle is the complete contraction (systole) and relaxation (distole) of all 2 chambers of th
e heart followed by a brief period of inactivity - CORRECT ANSWER -
B. One Cardiac cycle is the complete contraction (systole) and relaxation (distole) of all 4 chambers of th
e heart followed by a brief period of inactivity
11. What are the Phases of Cardiac Cycle?
A. Quiescent Period. Atrial Systole (relaxation) and Diastole (contraction). Ventricular Systole (contractio
n) and Diastole (relaxation).
B. Quiescent Period. Afail Systole (contraction) and Diastole (relaxation). Venicular Systole (contraction)
and Diastole (relaxation).
C. Quiescent Period. Atrial Systole (contraction) and Diastole (relaxation). Ventricular Systole (contractio
n) and Diastole (relaxation).
WITH CORRECT ANSWERS 2026-2027
The Heart chapter 19 & 20 - CORRECT ANSWER -Study
1. What does the cardiac system consist of:
A. Heart, arteries, and skeletal tissue
B. Heart, lungs, veins, and capillaries
C. Heart, arteries, veins, and capillaries
D. Heart, arteries, veins, nerves, and capillaries - CORRECT ANSWER -
C. Heart, arteries, veins, nerves, and capilles
2. What are 2 major divisions of the cardiovascular system?
A. Pulmonary Circuit-right side of the heart carriesRblood to lungs for gas exchange, Systemic Circuit-
right side of heart supplies blood to all organs of the body
B. Pulmonary Circuit- right of the heart carries blood to lungs for gas exchange, SystemicRCircuit-
left side of heart supplies blood to all organs of the body
C. Pulmonary CircuitR-left of the heart carries blood to lungs for oxygen exchange, Systemic Circuit-
right side of heart supplies blood to all organs of the body
D. Pulmonary Circuit- left of the heart carries blood to lungs in exchange for oxygen, Systemic Circuit-
left side of heart supplies blood to all organs of the body - CORRECT ANSWER -B. Pulmonary Circuit-
right of the heart carries blood to lungs for gas exchange, Systemic Circuit-
left side of heart supplies blood to all organs of the body
3. Heart Position and Shape: Which statement is TRUE?
A. Heart is located in the pericardium, Base of the heart is the broad inferior portion of the heart, Apex
of the heart is the superior end, tilts to the left, tapersRto point
B. Heart is located in the pericardium, Base of the heart is the broad superior portion of the heart, Apex
of the heart is the inferior end, tilts to the left, tapers to point
C. Heart is located in the mediastinum, Base of the heart is the inferior portion of heart, Apex of the hea
rt is the superior end, tilts to the right, tapers to point
D. Heart is located in the mediastinum, Base of the heart is the broad superior portion of heart, Apex of
the heart is the inferior end, tilts to the left, tapers to point - CORRECT ANSWER -
,D. Heart is located in the mediastinum, Base of the heart is the broad superior portion of heart, Apex of
the heart is the inferior end, tilts to the left, tapers to point
4. What consist of the membrane around the heart that allows the heart to beat with?
A. Pericardium consists of the membranes around the heart to beat with minimal friction, provides roo
m for the heart to expand but resists excessive expansion
B. Pericardium consists of the membrane around the heart to beat with maximum friction, provides roo
m for the heart to constrict but resists excessive expansion
C. Mediastinum consists of the membranes around the heart to beat with minimal friction, provides roo
m for the heart to expand but extend to excessive expansion
D. Mediastinum consists of the membranes around the heart to beat with maximum friction, provides r
oom for heart to constrict but extend to excessive expansion - CORRECT ANSWER -
A. Pericardium consists of the membranes around the heart to beat with minimal friction, provides roo
m for the heart to expand but resists excessive expansion
5. The Percardail Sac is also known as what and has two layers?
A. Parietal pericardium, -Fibrous layer: inner, soft layer, fibrous layer of CT, -
Serous layer: inner, thin, rough., moist membrane
B. Parietal pericardium, -Fibrous layer: outer, tough layer, fibrous layer of CT, -
Serous layer: inner, thin, smooth., dry membrane
C. Parietal pericardium, -Fibrous layer: inner, soft layer, fibrous layer of CT, -
Serous layer: inner, thin, rough., moist membrane
D. Parietal pericardium, -Fibrous layer: outer, tough, fibrous layer of CT, -
Serous layer: inner, thin, smooth., moist membrane - CORRECT ANSWER -D. Parietal pericardium, -
Fibrous layer: outer, tough, fibrous layer of CT, -Serous layer: inner, thin, smooth., moist membrane
6. Differentriate between Pericardial Cavity and Visceral Pericardium?
A. Pericardium (AKA the epicardium) is the thin, smooth, moist serous layer thatRcovers heart surface. Vi
sceral Pericardium is the space between heart and pericardial sac that is filled with pericardial fluid that
acts as a lubricant.
B. Pericardial cavity is the space between heart and pericardial sac that is filled with pericardial fluid tha
t acts as a lubricant. Visceral Pericardium ( AKAthe epicardium) is the sthin, smooth, moist serous layer t
hat covers heart surface.
,C. Pericardium (AKA the epicardium) is the thick, rough, moist serous layer that covers heart surface. Vis
ceral Pericardium is the space between heart and pericardial sac that is filled with pericardial fluid that
act as a lubricant.
D. Pericardial cavity is the space between heart and pericardial sac that is filled with pericardial fluid tha
t acts as a lobe. Visceral Pericardi - CORRECT ANSWER -
B. Pericardial cavity is the space between heart and pericardial sac that is filled with pericardial fluid tha
t acts as a lubricant. Visceral Pericardium ( AKAthe epicardium) is the thin, smooth, moist serous layer th
at covers heart surface.
7. What are the 3 Layers of the Heart Wall?
A. Epicardium(Visceral pericardium), Myocardium-thick layer of cardiac muscle -
fibrous skeleton is a network of collagen fibers and elastic fibers woven in between the cardiac muscle c
ells that provide structural support and elasticity that provides attachment for cardiac muscle cells as w
ell as a nonconductor important in coordinating contractile activities, Endocardium -
smooth inner lining of simple squamous epithelium that is equivalent to the lining of blood vessels
B. Epicardium(Peripheral pericardium), Myocardium-thick layer of cardiac muscle -
fibrous skeleton is a network of collagen fibers and elastic fibers woven in between the cardiac muscle c
ells that provide structural support and elasticity that provides attachment for skeletal muscle cells as w
ell as a nonconductor important in coordinating contractile activities, Endocardium -
smooth inner lining of simple squ - CORRECT ANSWER -
A. Epicardium(Visceral pericardium), Myocardium-thick layer of cardiac muscle -
fibrous skeleton is a network of collagen fibers and elastic fibers woven in between the cardiac muscle c
ells that provide structural support and elasticity that provides attachment for cardiac muscle cells as w
ell as a nonconductor important in coordinating contractile activities, Endocardium -
smooth inner lining of simple squamous epithelium that is equivalent to the lining of blood vessels
8. What is Bacteria Endocarditis?
A. is an infection caused by white blood cells that invade the bloodstream and settle in the heart lining,
a heart valve or a blood vessel.
B. is an infection caused by antibodies that enter the bloodstream and settle in the heart lining, a heart
valve or a blood vessel
C. is an infection caused by bacteria that enter the bloodstream and settle in the heart lining, a heart val
ve or a blood vessel
D. is an infection caused by swelling that constricts the bloodstream and settle in the heart lining, a hear
t valve or a blood vessel - CORRECT ANSWER -
C. is an infection caused by bacteria that enter the bloodstream and settle in the heart lining, a heart val
ve or a blood vessel
, 9. What is a Heart sounds, Auscultation, and describe (S1), (S2), (S3)?
A. Heart sounds are due to turbulent flow of blood as heart valves close. Auscultation is listening to sou
nds made by the body. (S1) is the firstRheart sound that is louder and longer, "LUBB", occurs when the A
V valves close. (S2) is the second heart sound that is softer and sharper, "DUPP'', occurs when the semil
unar valves close. (S3) a third heart sound is rarely audible in people older than 30 and is known as a tri
ple rhythm or gallop.
B. Heart sounds are due to turbulent flow of blood as heart valves opening. Auscultation is listening to s
ounds made by the Heart. (S1) is the first heart sound that is louder and longer, "LUBB", occurs when th
e AV valves close. (S2) is the second heart sound that is softer and sharper, "DUPP'', occursRwhen the se
milunar valves close. (S3) a third heart sound is rarely audible in people older than 30 and is kno -
CORRECT ANSWER -
A. Heart sounds are due to turbulent flow of blood as heart valves close. Auscultation is listening to sou
nds made by the body. (S1) is the firstRheart sound that is louder and longer, "LUBB", occurs when the A
V valves close. (S2) is the second heart sound that is softer and sharper, "DUPP'', occurs when the semil
unar valves close. (S3) a third heart sound is rarely audible in people older than 30 and is known as a tri
ple rhythm or gallop.
10. What is a Cardiac Cycle?
A. One Cardiac cycle is the complete relaxation (systole) and contraction (distole) of all 4 chambers of th
e heart followed by a brief period of inactivity
B. One Cardiac cycle is the complete contraction (systole) and relaxation (distole) of all 4 chambers of th
e heart followed by a brief period of inactivity
C. One Cardiac cycle is the complete relaxation (systole) and contraction (distole) of all 2 chambers of th
e heart followed by a brief period of inactivity
D. One Cardiac cycle is the complete contraction (systole) and relaxation (distole) of all 2 chambers of th
e heart followed by a brief period of inactivity - CORRECT ANSWER -
B. One Cardiac cycle is the complete contraction (systole) and relaxation (distole) of all 4 chambers of th
e heart followed by a brief period of inactivity
11. What are the Phases of Cardiac Cycle?
A. Quiescent Period. Atrial Systole (relaxation) and Diastole (contraction). Ventricular Systole (contractio
n) and Diastole (relaxation).
B. Quiescent Period. Afail Systole (contraction) and Diastole (relaxation). Venicular Systole (contraction)
and Diastole (relaxation).
C. Quiescent Period. Atrial Systole (contraction) and Diastole (relaxation). Ventricular Systole (contractio
n) and Diastole (relaxation).
