Question 1

Match the component of the conduction system of the heart with the description.
Endocardium:

Accepted Answer

A)  continuous with the lining of the blood vessels attached to the heart 
B)  layer next to pericardial cavity 
A)  continuous with the lining of the blood vessels attached to the heart 
B)  layer next to pericardial cavity

Question 2

Desmosomes and gap junctions are found in:

Accepted Answer

A)  endocardium. 
B)  chordae tendineae. 
C)  epicardium. 
D)  intercalated discs. 
A)  endocardium. 
B)  chordae tendineae. 
C)  epicardium. 
D)  intercalated discs.

Question 3

During which phase of the cardiac cycle are the AV valves closed?

Accepted Answer

A)  atrial systole 
B)  relaxation period 
C)  ventricular systole 
A)  atrial systole 
B)  relaxation period 
C)  ventricular systole

Question 4

The pericardium is composed of elastic connective tissue, to allow for change in volume of the heart.

Accepted Answer

A) True 
 B)False

Question 5

Match the vessel with the description.
Pulmonary trunk:

Accepted Answer

A)  carries deoxygenated blood away from the heart 
B)  carries deoxygenated blood toward the heart 
A)  carries deoxygenated blood away from the heart 
B)  carries deoxygenated blood toward the heart

Question 6

State three functions and four components of the fibrous skeleton of the heart.

Accepted Answer

The functions are valve and muscle attac

Question 7

Which type of cholesterol molecule removes excess cholesterol from body cells and transports it to the liver?

Accepted Answer

A)  low-density lipoproteins (LDLs) 
B)  high-density lipoproteins (HDLs) 
A)  low-density lipoproteins (LDLs) 
B)  high-density lipoproteins (HDLs)

Question 8

Match the vessel with the description.
Pulmonary vein:

Accepted Answer

A)  enters right atrium 
B)  enters left atrium 
A)  enters right atrium 
B)  enters left atrium

Question 9

During the relaxation period of the cardiac cycle, pressure in the ventricular chambers drop. This change in pressure causes blood to flow from the

Accepted Answer

A)  ventricles towards the aorta and pulmonary trunk. 
B)  ventricles towards the atria. 
C)  pulmonary trunk and aorta towards the ventricles. 
D)  atria towards the vena cava 
A)  ventricles towards the aorta and pulmonary trunk. 
B)  ventricles towards the atria. 
C)  pulmonary trunk and aorta towards the ventricles. 
D)  atria towards the vena cava

Question 10

The inferior surface of the heart can be described as all of the following EXCEPT:
a) resting on the diaphragm.
b) medial to the apex.
c) left of midline
d) facing the right lung

Accepted Answer

The answer of The inferior surface of the heart can...

Question 11

A heart murmur is not always an indication of a serious health problem.

Accepted Answer

A) True 
 B)False

Question 12

The heart is the first organ to function in an embryo, beginning to pump blood on day 22 following fertilization.

Accepted Answer

A) True 
 B)False

Question 13

Chronic pericarditis can lead to a buildup of pericardial fluid which results in a life-threatening condition known as cardiac tamponade.

Accepted Answer

A) True 
 B)False

Question 14

When auscultating heart sounds, S1 is caused by blood turbulence associated with closure of the _____ valves soon after ventricular _____ begins.

Accepted Answer

A)  AV; diastole 
B)  Semilunar; systole 
C)  AV; systole 
D)  Semilunar; diastole 
A)  AV; diastole 
B)  Semilunar; systole 
C)  AV; systole 
D)  Semilunar; diastole

Question 15

Which structure in the developing heart forms from the primitive atrium?

Accepted Answer

A)  anterior wall of the right atrium 
B)  anterior wall of the left atrium 
C)  left auricle 
D)  All of these choices 
A)  anterior wall of the right atrium 
B)  anterior wall of the left atrium 
C)  left auricle 
D)  All of these choices

Question 16

The fossa ovalis is a thin spot or depression in the interatrial septum.

Accepted Answer

A) True 
 B)False

Question 17

Atrioventricular (AV) valve cusps are connected by strong cords called _____ to _____ muscles on the walls of the ventricles.

Accepted Answer

chordae te

Question 18

There are four valves in the heart:
1 bicuspid (mitral)
2 tricuspid
3 pulmonary semilunar
4 aortic semilunar
What is the correct order in which blood flows through these valves, starting in the right atrium?

Accepted Answer

A)  1, 4, 2, 3 
B)  1, 3, 2, 4 
C)  2, 3, 1, 4 
D)  2, 4, 1, 3 
A)  1, 4, 2, 3 
B)  1, 3, 2, 4 
C)  2, 3, 1, 4 
D)  2, 4, 1, 3

Question 19

The anterior and posterior interventricular sulci are external features that mark the location of the _____ inside the heart.

Accepted Answer

interventr

Question 20

Chordae tendineae assist the cusps of the semilunar valves in preventing backflow of blood.

Accepted Answer

A) True 
 B)False

Exam 13: The Cardiovascular System: the Heart

Match the component of the conduction system of the heart with the description. Endocardium:

Desmosomes and gap junctions are found in:

During which phase of the cardiac cycle are the AV valves closed?

The pericardium is composed of elastic connective tissue, to allow for change in volume of the heart.

Match the vessel with the description. Pulmonary trunk:

State three functions and four components of the fibrous skeleton of the heart.

Which type of cholesterol molecule removes excess cholesterol from body cells and transports it to the liver?

Match the vessel with the description. Pulmonary vein:

During the relaxation period of the cardiac cycle, pressure in the ventricular chambers drop. This change in pressure causes blood to flow from the

The inferior surface of the heart can be described as all of the following EXCEPT: a) resting on the diaphragm. b) medial to the apex. c) left of midline d) facing the right lung

A heart murmur is not always an indication of a serious health problem.

The heart is the first organ to function in an embryo, beginning to pump blood on day 22 following fertilization.

Chronic pericarditis can lead to a buildup of pericardial fluid which results in a life-threatening condition known as cardiac tamponade.

When auscultating heart sounds, S1 is caused by blood turbulence associated with closure of the _____ valves soon after ventricular _____ begins.

Which structure in the developing heart forms from the primitive atrium?

The fossa ovalis is a thin spot or depression in the interatrial septum.

Atrioventricular (AV) valve cusps are connected by strong cords called _____ to _____ muscles on the walls of the ventricles.

There are four valves in the heart: 1 bicuspid (mitral) 2 tricuspid 3 pulmonary semilunar 4 aortic semilunar What is the correct order in which blood flows through these valves, starting in the right atrium?

The anterior and posterior interventricular sulci are external features that mark the location of the _____ inside the heart.

Chordae tendineae assist the cusps of the semilunar valves in preventing backflow of blood.

An Introduction to the Human Body

Cells

Tissues

Development

The Integumentary System

Bone Tissue

The Skeletal System: the Axial Skeleton

The Skeletal System: the Appendicular Skeleton

Joints

Muscular Tissue

The Muscular System

The Cardiovascular System: Blood

The Cardiovascular System: Blood Vessels

The Lymphatic System and Immunity

Nervous Tissue

The Spinal Cord and the Spinal Nerves

The Brain and the Cranial Nerves

The Autonomic Nervous System

Somatic Senses and Motor Control

Special Senses

The Endocrine System

The Respiratory System

The Digestive System

The Urinary System

The Reproductive Systems

Surface Anatomy

Filters

When auscultating heart sounds, S1 is caused by blood turbulence associated with closure of the _ valves soon after ventricular _ begins.

Atrioventricular (AV) valve cusps are connected by strong cords called _ to _ muscles on the walls of the ventricles.