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BIO 171T – Exam 2 Study Guide – Heart, Blood Vessels & Lymphatic Tissues
– 100% Verified Questions and Answers – LATEST UPDATED MAY 2025 –
A&P II College Exam Prep
The heart beats approximately ________ times each day-
- CORRECT ANSWER - 100,000
The heart pumps approximately ________ liters of blood each day-
- CORRECT ANSWER - 8,000
The adult heart is roughly the size of-
- CORRECT ANSWER - a man’s clenched fist
The structure that permits blood flow from the right atrium to the left atrium in the fetal
circulation is the-
- CORRECT ANSWER - foramen ovale
Blood leaves the right ventricle by passing through the-
- CORRECT ANSWER - pulmonary valve
The atrioventricular valves permit blood flow-
- CORRECT ANSWER - in one direction only
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Blood returning to the heart from the systemic circuit first enters the-
- CORRECT ANSWER - right atrium
Blood returning to the heart from the pulmonary circuit first enters the-
- CORRECT ANSWER - left atrium
The earlike extension of the atrium is the-
- CORRECT ANSWER - auricle
The coronary sulcus is a groove that-
- CORRECT ANSWER - marks the border between the atria and ventricles
In the middle of the thoracic cavity is a region occupied by the heart, great vessels, thymus,
esophagus, and trachea called the-
- CORRECT ANSWER - mediastinum
The cusps (leaflets) of atrioventricular valves attach directly to-
- CORRECT ANSWER - chordae tendineae
Contractions of the papillary muscles-
- CORRECT ANSWER - prevent the atrioventricular valves from reversing into the atria
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The visceral pericardium is the same as the-
- CORRECT ANSWER - epicardium
Most of the middle layer in the heart wall is composed of-
- CORRECT ANSWER - cardiac muscle cells
The right ventricle pumps blood to the-
- CORRECT ANSWER - right and left lungs
The left ventricle pumps blood to the-
- CORRECT ANSWER - aorta
The right atrium receives blood from all of the following structures except the-
- CORRECT ANSWER - pulmonary veins
Cardiac cells damaged by infarction will show all of the following except-
- CORRECT ANSWER - an increase in metabolic activity
Coronary veins empty into the-
- CORRECT ANSWER - right atrium
There are ________ pulmonary veins-
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- CORRECT ANSWER - 4
Blood is supplied to the muscular wall of the left atrium by the-
- CORRECT ANSWER - left coronary artery
The pulmonary valve prevents backward flow into the-
- CORRECT ANSWER - right ventricle
The bicuspid or mitral valve is located-
- CORRECT ANSWER - between the left atrium and left ventricle
The ________ valve prevents backward flow into the left atrium-
- CORRECT ANSWER - bicuspid
The function of an atrium is to-
- CORRECT ANSWER - collect blood then pump it into the ventricle
Compared to the right ventricle, the left ventricle has all the following characteristics except-
- CORRECT ANSWER - pumps a greater volume
Which of the following are involved in the pulmonary circuit-
BIO 171T – Exam 2 Study Guide – Heart, Blood Vessels & Lymphatic Tissues
– 100% Verified Questions and Answers – LATEST UPDATED MAY 2025 –
A&P II College Exam Prep
The heart beats approximately ________ times each day-
- CORRECT ANSWER - 100,000
The heart pumps approximately ________ liters of blood each day-
- CORRECT ANSWER - 8,000
The adult heart is roughly the size of-
- CORRECT ANSWER - a man’s clenched fist
The structure that permits blood flow from the right atrium to the left atrium in the fetal
circulation is the-
- CORRECT ANSWER - foramen ovale
Blood leaves the right ventricle by passing through the-
- CORRECT ANSWER - pulmonary valve
The atrioventricular valves permit blood flow-
- CORRECT ANSWER - in one direction only
,2|Page
Blood returning to the heart from the systemic circuit first enters the-
- CORRECT ANSWER - right atrium
Blood returning to the heart from the pulmonary circuit first enters the-
- CORRECT ANSWER - left atrium
The earlike extension of the atrium is the-
- CORRECT ANSWER - auricle
The coronary sulcus is a groove that-
- CORRECT ANSWER - marks the border between the atria and ventricles
In the middle of the thoracic cavity is a region occupied by the heart, great vessels, thymus,
esophagus, and trachea called the-
- CORRECT ANSWER - mediastinum
The cusps (leaflets) of atrioventricular valves attach directly to-
- CORRECT ANSWER - chordae tendineae
Contractions of the papillary muscles-
- CORRECT ANSWER - prevent the atrioventricular valves from reversing into the atria
,3|Page
The visceral pericardium is the same as the-
- CORRECT ANSWER - epicardium
Most of the middle layer in the heart wall is composed of-
- CORRECT ANSWER - cardiac muscle cells
The right ventricle pumps blood to the-
- CORRECT ANSWER - right and left lungs
The left ventricle pumps blood to the-
- CORRECT ANSWER - aorta
The right atrium receives blood from all of the following structures except the-
- CORRECT ANSWER - pulmonary veins
Cardiac cells damaged by infarction will show all of the following except-
- CORRECT ANSWER - an increase in metabolic activity
Coronary veins empty into the-
- CORRECT ANSWER - right atrium
There are ________ pulmonary veins-
, 4|Page
- CORRECT ANSWER - 4
Blood is supplied to the muscular wall of the left atrium by the-
- CORRECT ANSWER - left coronary artery
The pulmonary valve prevents backward flow into the-
- CORRECT ANSWER - right ventricle
The bicuspid or mitral valve is located-
- CORRECT ANSWER - between the left atrium and left ventricle
The ________ valve prevents backward flow into the left atrium-
- CORRECT ANSWER - bicuspid
The function of an atrium is to-
- CORRECT ANSWER - collect blood then pump it into the ventricle
Compared to the right ventricle, the left ventricle has all the following characteristics except-
- CORRECT ANSWER - pumps a greater volume
Which of the following are involved in the pulmonary circuit-
