Question 1

Several large blood vessels attach to the inferior end of the heart.

Accepted Answer

A) True 
 B)False  False

Question 2

Which blood vessels branch directly off of the aorta at the level of the aortic semilunar valves?

Accepted Answer

A)  Brachiocephalic arteries 
B)  Right and left coronary arteries 
C)  Right and left subclavian arteries 
D)  Great cardiac veins 
E)  Right and left pulmonary arteries 
A)  Brachiocephalic arteries 
B)  Right and left coronary arteries 
C)  Right and left subclavian arteries 
D)  Great cardiac veins 
E)  Right and left pulmonary arteries B

Question 3

The great cardiac vein runs through the same sulcus as the anterior interventricular branch of the left coronary artery.

Accepted Answer

A) True 
 B)False  True

Question 4

The large arteries associated with the heart all transport oxygen-rich blood.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following is not true of the pulmonary trunk?

Accepted Answer

A)  It splits to become the right and left pulmonary arteries. 
B)  It emerges from the right ventricle of the heart. 
C)  It transports oxygen-rich blood. 
D)  It transports blood away from the heart. 
E)  All of these are true of the pulmonary trunk. 
A)  It splits to become the right and left pulmonary arteries. 
B)  It emerges from the right ventricle of the heart. 
C)  It transports oxygen-rich blood. 
D)  It transports blood away from the heart. 
E)  All of these are true of the pulmonary trunk.

Question 6

The circumflex artery and the anterior interventricular artery are the main branches of the right coronary artery.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following is not true of the pulmonary circuit?

Accepted Answer

A)  It is much shorter than the systemic circuit. 
B)  Its arteries transport oxygen-rich blood, just like those of the systemic circuit. 
C)  It pumps blood from the heart to the lungs, and then back to the heart. 
D)  Blood is pumped into the pulmonary circuit from the right ventricle. 
E)  All of these are true of the pulmonary circuit. 
A)  It is much shorter than the systemic circuit. 
B)  Its arteries transport oxygen-rich blood, just like those of the systemic circuit. 
C)  It pumps blood from the heart to the lungs, and then back to the heart. 
D)  Blood is pumped into the pulmonary circuit from the right ventricle. 
E)  All of these are true of the pulmonary circuit.

Question 8

When dissecting the sheep heart, it can be seen that the wall thickness of the pulmonary trunk and aorta is much greater than that of the superior and inferior venae cavae.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following structures anchor(s) the cusps of the AV valves to the wall of the heart, to prevent regurgitation of blood?

Accepted Answer

A)  Papillary muscles 
B)  Interventricular septum 
C)  Pectinate muscles 
D)  Endocardium 
E)  Trabeculae carneae 
A)  Papillary muscles 
B)  Interventricular septum 
C)  Pectinate muscles 
D)  Endocardium 
E)  Trabeculae carneae

Question 10

The fibrous pericardium surrounds the visceral and parietal layers of the serous pericardium.

Accepted Answer

A) True 
 B)False

Question 11

The visceral pericardium is the same layer as the epicardium.

Accepted Answer

A) True 
 B)False

Question 12

Cardiac muscle tissue makes up all of the following portions of the heart except

Accepted Answer

A)  the myocardium of the walls of the heart chambers. 
B)  the trabeculae carneae. 
C)  the pectinate muscles. 
D)  the chordae tendineae. 
E)  the papillary muscles. 
A)  the myocardium of the walls of the heart chambers. 
B)  the trabeculae carneae. 
C)  the pectinate muscles. 
D)  the chordae tendineae. 
E)  the papillary muscles.

Question 13

Ridges of heart muscle located within the right atrium and the auricles are called the

Accepted Answer

A)  pectinate muscles. 
B)  interatrial sulci. 
C)  atrioventricular orifices. 
D)  trabeculae carneae. 
E)  papillary muscles. 
A)  pectinate muscles. 
B)  interatrial sulci. 
C)  atrioventricular orifices. 
D)  trabeculae carneae. 
E)  papillary muscles.

Question 14

Which of the following is not true of the coronary sinus?

Accepted Answer

A)  It empties blood into the left atrium of the heart. 
B)  It drains the oxygen-poor blood from the cardiac veins, and returns it to the heart. 
C)  It runs through the fat pad of the coronary sulcus. 
D)  It is located on the posterior surface of the heart. 
E)  All of these are true of the coronary sinus. 
A)  It empties blood into the left atrium of the heart. 
B)  It drains the oxygen-poor blood from the cardiac veins, and returns it to the heart. 
C)  It runs through the fat pad of the coronary sulcus. 
D)  It is located on the posterior surface of the heart. 
E)  All of these are true of the coronary sinus.

Question 15

What is the function of the auricles?

Accepted Answer

A)  They are the upper chambers of the heart. 
B)  They supply oxygen-rich blood to the walls of the heart. 
C)  They are the lower chambers of the heart, which pump blood to the systemic and pulmonary circuits. 
D)  They form the serous membrane around the heart. 
E)  They allow the atria to expand while they are filling with blood. 
A)  They are the upper chambers of the heart. 
B)  They supply oxygen-rich blood to the walls of the heart. 
C)  They are the lower chambers of the heart, which pump blood to the systemic and pulmonary circuits. 
D)  They form the serous membrane around the heart. 
E)  They allow the atria to expand while they are filling with blood.

Question 16

The pulmonary trunk is ________ to the aorta as they emerge from the heart.

Accepted Answer

A)  posterior 
B)  lateral 
C)  anterior 
D)  distal 
E)  superior 
A)  posterior 
B)  lateral 
C)  anterior 
D)  distal 
E)  superior

Question 17

Blood flowing out of the pulmonary veins flows into the ________ and then proceeds through the ________.

Accepted Answer

A)  pulmonary trunk; right ventricle 
B)  right ventricle; pulmonary trunk 
C)  right atrium; tricuspid valve 
D)  left ventricle; aortic semilunar valve 
E)  left atrium; mitral valve 
A)  pulmonary trunk; right ventricle 
B)  right ventricle; pulmonary trunk 
C)  right atrium; tricuspid valve 
D)  left ventricle; aortic semilunar valve 
E)  left atrium; mitral valve

Question 18

Which of the heart valves contain chordae tendineae?

Accepted Answer

A)  The aortic and pulmonary semilunar valves 
B)  The tricuspid and mitral valves 
C)  The aortic and mitral valves 
D)  The pulmonary and tricuspid valves 
E)  All of the heart valves 
A)  The aortic and pulmonary semilunar valves 
B)  The tricuspid and mitral valves 
C)  The aortic and mitral valves 
D)  The pulmonary and tricuspid valves 
E)  All of the heart valves

Question 19

Which of the following is not a branch of the aortic arch?

Accepted Answer

A)  Right subclavian artery 
B)  Left common carotid artery 
C)  Brachiocephalic trunk 
D)  Left subclavian artery 
E)  All of these are branches of the aortic arch. 
A)  Right subclavian artery 
B)  Left common carotid artery 
C)  Brachiocephalic trunk 
D)  Left subclavian artery 
E)  All of these are branches of the aortic arch.

Question 20

What prevents oxygen-rich blood from mixing with oxygen-poor blood in the heart?

Accepted Answer

A)  The tricuspid valve 
B)  The fibrous pericardium 
C)  The aortic and pulmonary semilunar valves 
D)  The interatrial and interventricular septa 
E)  The intercalated discs 
A)  The tricuspid valve 
B)  The fibrous pericardium 
C)  The aortic and pulmonary semilunar valves 
D)  The interatrial and interventricular septa 
E)  The intercalated discs

Exam 45: Heart Structure

Several large blood vessels attach to the inferior end of the heart.

Which blood vessels branch directly off of the aorta at the level of the aortic semilunar valves?

The great cardiac vein runs through the same sulcus as the anterior interventricular branch of the left coronary artery.

The large arteries associated with the heart all transport oxygen-rich blood.

Which of the following is not true of the pulmonary trunk?

The circumflex artery and the anterior interventricular artery are the main branches of the right coronary artery.

Which of the following is not true of the pulmonary circuit?

When dissecting the sheep heart, it can be seen that the wall thickness of the pulmonary trunk and aorta is much greater than that of the superior and inferior venae cavae.

Which of the following structures anchor(s) the cusps of the AV valves to the wall of the heart, to prevent regurgitation of blood?

The fibrous pericardium surrounds the visceral and parietal layers of the serous pericardium.

The visceral pericardium is the same layer as the epicardium.

Cardiac muscle tissue makes up all of the following portions of the heart except

Ridges of heart muscle located within the right atrium and the auricles are called the

Which of the following is not true of the coronary sinus?

What is the function of the auricles?

The pulmonary trunk is ________ to the aorta as they emerge from the heart.

Blood flowing out of the pulmonary veins flows into the ________ and then proceeds through the ________.

Which of the heart valves contain chordae tendineae?

Which of the following is not a branch of the aortic arch?

What prevents oxygen-rich blood from mixing with oxygen-poor blood in the heart?

Scientific Method and Measurements

Body Organization, Membranes, and Terminology

Chemistry of Life

Care and Use of the Microscope

Cell Structure and Function

Movements Through Membranes

Cell Cycle

Epithelial Tissues

Connective Tissues

Muscle and Nervous Tissues

Integumentary System

Bone Structure and Classification

Organization of the Skeleton

Skull

Vertebral Column and Thoracic Cage

Pectoral Girdle and Upper Limb

Pelvic Girdle and Lower Limb

Fetal Skeleton

Joint Structure and Movements

Skeletal Muscle Structure and Function

Electromyography: Biopac Exercise

Muscles of the Head and Neck

Muscles of the Chest, Shoulder, and Upper Limb

Muscles of the Vertebral Column, Abdominal Wall, and Pelvic Floor

Muscles of the Hip and Lower Limb

Surface Anatomy

Nervous Tissue and Nerves

Meninges, Spinal Cord, and Spinal Nerves

Reflex Arc and Somatic Reflexes

Brain and Cranial Nerves

Reaction Time: Biopac Exercise

Electroencephalography I: Biopac Exercise

Dissection of the Sheep Brain

General Senses

Smell and Taste

Eye Structure

Visual Tests and Demonstrations

Ear and Hearing

Ear and Equilibrium

Endocrine Structure and Function

Diabetic Physiology

Blood Cells

Blood Testing

Blood Typing

Cardiac Cycle

Electrocardiography: Biopac Exercise

Blood Vessel Structure, Arteries, and Veins

Pulse Rate and Blood Pressure

Lymphatic System

Respiratory Organs

Breathing and Respiratory Volumes

Spirometry: Biopac Exercise

Control of Breathing

Digestive Organs

Action of a Digestive Enzyme

Metabolism

Urinary Organs

Urinalysis

Male Reproductive System

Blood flowing out of the pulmonary veins flows into the and then proceeds through the .