Question 1

From the left ventricle, where does blood pass?

Accepted Answer

A)  right atrium 
B)  right ventricle 
C)  bicuspid valve 
D)  aortic semilunar valve 
E)  pulmonary trunk 
A)  right atrium 
B)  right ventricle 
C)  bicuspid valve 
D)  aortic semilunar valve 
E)  pulmonary trunk D

Question 2

In the diagram, which of the following carry oxygenated blood?

Accepted Answer

A)  A 
B)  B 
C)  F 
D)  E 
E)  All of these choices 
A)  A 
B)  B 
C)  F 
D)  E 
E)  All of these choices E

Question 3

In the figure, which letter indicates the onset of ventricular repolarization?

Accepted Answer

A)  A 
B)  B 
C)  E 
D)  D 
E)  C 
A)  A 
B)  B 
C)  E 
D)  D 
E)  C A

Question 4

As each atrium contracts, where does blood move?

Accepted Answer

A)  into an auricle 
B)  into an artery 
C)  into a vein 
D)  through an atrioventricular valve 
E)  through a semilunar valve 
A)  into an auricle 
B)  into an artery 
C)  into a vein 
D)  through an atrioventricular valve 
E)  through a semilunar valve

Question 5

Which of the following is a network of specialized cardiac muscle fibers that provide a path for each cycle of cardiac excitation to progress through the heart?

Accepted Answer

A)  Pacemaker 
B)  Sinoatrial node 
C)  Purkinje fibers 
D)  Conduction system 
E)  Bundle of His 
A)  Pacemaker 
B)  Sinoatrial node 
C)  Purkinje fibers 
D)  Conduction system 
E)  Bundle of His

Question 6

Which of the valves prevents blood from flowing back from the lungs?
a) tricuspid valve
b) bicuspid valve
c) pulmonary valve
d) aortic valve
e) pulmonary vein

Accepted Answer

The answer of Which of the valves prevents blood from...

Question 7

As each ventricle contracts, where does blood move?

Accepted Answer

A)  into an artery 
B)  into the apex 
C)  into a vein 
D)  through an atrioventricular valve 
E)  through the apex 
A)  into an artery 
B)  into the apex 
C)  into a vein 
D)  through an atrioventricular valve 
E)  through the apex

Question 8

In the diagram, where does the blood pass from the right atrium into the right ventricle?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 9

In the diagram, where is the coronary sulcus?

Accepted Answer

A)  C 
B)  E 
C)  G 
D)  H 
E)  I 
A)  C 
B)  E 
C)  G 
D)  H 
E)  I

Question 10

Through which structure does blood pass from the right atrium to the right ventricle?

Accepted Answer

A)  bicuspid valve 
B)  interventricular septum 
C)  tricuspid valve 
D)  mitral valve 
E)  ascending aorta 
A)  bicuspid valve 
B)  interventricular septum 
C)  tricuspid valve 
D)  mitral valve 
E)  ascending aorta

Question 11

Stimulation of which nerve reduces heart rate?

Accepted Answer

A)  cardiac accelerator nerve 
B)  hypoglossal nerve 
C)  medulla oblongata nerve 
D)  vagus nerve 
E)  phrenic nerve 
A)  cardiac accelerator nerve 
B)  hypoglossal nerve 
C)  medulla oblongata nerve 
D)  vagus nerve 
E)  phrenic nerve

Question 12

Which of the following marks the boundary between the ventricles?

Accepted Answer

A)  coronary sulcus 
B)  anterior interventricular sulcus 
C)  posterior interventricular sulcus 
D)  coronary sulcus and posterior interventricular sulcus 
E)  anterior and posterior interventricular sulcus 
A)  coronary sulcus 
B)  anterior interventricular sulcus 
C)  posterior interventricular sulcus 
D)  coronary sulcus and posterior interventricular sulcus 
E)  anterior and posterior interventricular sulcus

Question 13

Which of the following is the correct sequence of structures that allows the normal sequence of excitation to progress through the heart?

Accepted Answer

A)  Bundle of His, Purkinje fibers, Atrioventricular (AV) node 
B)  Sinoatrial (S
A) , Purkinje fibers, AV node, Bundle of His 
C)  Purkinje fibers, AV node, SA node, Bundle of His 
D)  SA node, AV node, Bundle of His, Purkinje fibers 
E)  Bundle of His, SA node, AV node, Purkinje fibers 
A)  Bundle of His, Purkinje fibers, Atrioventricular (AV) node 
B)  Sinoatrial (S
A) , Purkinje fibers, AV node, Bundle of His 
C)  Purkinje fibers, AV node, SA node, Bundle of His 
D)  SA node, AV node, Bundle of His, Purkinje fibers 
E)  Bundle of His, SA node, AV node, Purkinje fibers

Question 14

In the diagram, where is the ascending aorta?

Accepted Answer

A)  A 
B)  B 
C)  D 
D)  F 
E)  H 
A)  A 
B)  B 
C)  D 
D)  F 
E)  H

Question 15

What is the arrangement of systemic and pulmonary circulations in terms of how the heart works them both?

Accepted Answer

The left side of the heart is

Question 16

What is the mass of tissue from the sternum to the vertebral column between the lungs?

Accepted Answer

A)  epicardium 
B)  parietal layer 
C)  pericardial tissue 
D)  mediastinum 
E)  fibrous cardium 
A)  epicardium 
B)  parietal layer 
C)  pericardial tissue 
D)  mediastinum 
E)  fibrous cardium

Question 17

Which of the following is used to increase the capacity of the atrium?

Accepted Answer

A)  ventricle 
B)  coronary sulcus 
C)  fossa ovalis 
D)  interatrial septum 
E)  auricle 
A)  ventricle 
B)  coronary sulcus 
C)  fossa ovalis 
D)  interatrial septum 
E)  auricle

Question 18

Cardiac muscle fibers electrically connect to neighboring fibers by

Accepted Answer

A)  desmosomes. 
B)  intermediate discs. 
C)  hap junctions. 
D)  contractile fibers. 
E)  chordae tendinae. 
A)  desmosomes. 
B)  intermediate discs. 
C)  hap junctions. 
D)  contractile fibers. 
E)  chordae tendinae.

Question 19

Which deflection represents repolarization of the ventricle?

Accepted Answer

A)  R wave 
B)  T wave 
C)  S wave 
D)  P wave 
E)  Q wave 
A)  R wave 
B)  T wave 
C)  S wave 
D)  P wave 
E)  Q wave

Question 20

Which layer consists of cardiac muscle tissue?

Accepted Answer

A)  epicardium 
B)  pericardium 
C)  myocardium 
D)  rndocardium 
E)  hypocardium 
A)  epicardium 
B)  pericardium 
C)  myocardium 
D)  rndocardium 
E)  hypocardium

Exam 19: The Cardiovascular System: the Heart

From the left ventricle, where does blood pass?

In the diagram, which of the following carry oxygenated blood?

In the figure, which letter indicates the onset of ventricular repolarization?

As each atrium contracts, where does blood move?

Which of the following is a network of specialized cardiac muscle fibers that provide a path for each cycle of cardiac excitation to progress through the heart?

Which of the valves prevents blood from flowing back from the lungs? a) tricuspid valve b) bicuspid valve c) pulmonary valve d) aortic valve e) pulmonary vein

As each ventricle contracts, where does blood move?

In the diagram, where does the blood pass from the right atrium into the right ventricle?

In the diagram, where is the coronary sulcus?

Through which structure does blood pass from the right atrium to the right ventricle?

Stimulation of which nerve reduces heart rate?

Which of the following marks the boundary between the ventricles?

Which of the following is the correct sequence of structures that allows the normal sequence of excitation to progress through the heart?

In the diagram, where is the ascending aorta?

What is the arrangement of systemic and pulmonary circulations in terms of how the heart works them both?

What is the mass of tissue from the sternum to the vertebral column between the lungs?

Which of the following is used to increase the capacity of the atrium?

Cardiac muscle fibers electrically connect to neighboring fibers by

Which deflection represents repolarization of the ventricle?

Which layer consists of cardiac muscle tissue?

An Introduction to the Human Body

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Introduction to the Skeletal System

The Axial Skeleton

The Appendicular Skeleton

Articulations

Muscle Tissue

The Muscular System

Introduction to the Nervous System

The Central Nervous System

The Peripheral Nervous System

Sensory, Motor, and Integrative Systems

The Special Senses

The Endocrine System

The Cardiovascular System: the Blood

The Cardiovascular System: Blood Vessels

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

The Urinary System

The Reproductive Systems and Development

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