Question 1

All venous blood returns to the heart through the superior or inferior vena cava.

Accepted Answer

A) True 
 B)False

Question 2

The parietal pericardium is the innermost layer that covers the surface of the heart.

Accepted Answer

A) True 
 B)False

Question 3

Plasma proteins in blood capillaries help to

Accepted Answer

A)  maintain the osmotic pressure of the blood. 
B)  decrease the osmotic pressure of the blood. 
C)  maintain the hydrostatic pressure of the blood. 
D)  decrease the hydrostatic pressure of the blood. 
E)  decrease the barometric pressure of the blood. 
A)  maintain the osmotic pressure of the blood. 
B)  decrease the osmotic pressure of the blood. 
C)  maintain the hydrostatic pressure of the blood. 
D)  decrease the hydrostatic pressure of the blood. 
E)  decrease the barometric pressure of the blood.

Question 4

During ventricular contraction,what statement is true?

Accepted Answer

A)  The atrioventricular valves are open. 
B)  The atrioventricular valves are closed. 
C)  The aortic valve is closed. 
D)  The pulmonary valve is closed. 
A)  The atrioventricular valves are open. 
B)  The atrioventricular valves are closed. 
C)  The aortic valve is closed. 
D)  The pulmonary valve is closed.

Question 5

Contraction of the heart is called _________.

Accepted Answer

A)  systole 
B)  diastole 
A)  systole 
B)  diastole

Question 6

The Frank-Starling law of the heart holds that the

Accepted Answer

A)  greater the length of myocardial fibers,the greater the force with which they contract. 
B)  lesser the length of myocardial fibers,the greater the force with which they contract. 
C)  lesser the blood volume,the greater the force of ventricular contraction. 
D)  lesser the blood viscosity,the lesser the force of ventricular contraction. 
E)  greater the peripheral resistance,the lesser the ventricular contraction. 
A)  greater the length of myocardial fibers,the greater the force with which they contract. 
B)  lesser the length of myocardial fibers,the greater the force with which they contract. 
C)  lesser the blood volume,the greater the force of ventricular contraction. 
D)  lesser the blood viscosity,the lesser the force of ventricular contraction. 
E)  greater the peripheral resistance,the lesser the ventricular contraction.

Question 7

The oxygen-rich vessels that supply the heart muscle with blood are the cardiac veins.

Accepted Answer

A) True 
 B)False

Question 8

Venous pathways commonly connect in irregular networks and may have many unnamed tributaries.

Accepted Answer

A) True 
 B)False

Question 9

Because capillary blood pressure in the arteriolar ends of capillaries is higher than the osmotic pressure,

Accepted Answer

A)  more fluid flows into the capillaries than moves out. 
B)  the lymphatic vessels push fluid into the capillaries. 
C)  the pressure in the venules increases. 
D)  more fluid leaves the capillaries than returns. 
E)  more fluid flows into the venules. 
A)  more fluid flows into the capillaries than moves out. 
B)  the lymphatic vessels push fluid into the capillaries. 
C)  the pressure in the venules increases. 
D)  more fluid leaves the capillaries than returns. 
E)  more fluid flows into the venules.

Question 10

Relaxation of the heart is called ________.

Accepted Answer

A)  systole 
B)  diastole 
A)  systole 
B)  diastole

Question 11

This artery has branches called the gastric,hepatic and splenic arteries.

Accepted Answer

A)  celiac 
B)  inferior 
C)  vena cava 
D)  inferior mesenteric 
E)  superior mesenteric 
A)  celiac 
B)  inferior 
C)  vena cava 
D)  inferior mesenteric 
E)  superior mesenteric

Question 12

In an ECG pattern,the P wave is caused by

Accepted Answer

A)  repolarization of the atrial muscle fibers. 
B)  repolarization of the ventricular muscle fibers. 
C)  depolarization of atrial muscle fibers. 
D)  depolarization of ventricular muscle fibers. 
E)  none of the above. 
A)  repolarization of the atrial muscle fibers. 
B)  repolarization of the ventricular muscle fibers. 
C)  depolarization of atrial muscle fibers. 
D)  depolarization of ventricular muscle fibers. 
E)  none of the above.

Question 13

The top of the heart is called the base,and the pointed bottom of the heart is called the apex.

Accepted Answer

A) True 
 B)False

Question 14

The correct sequence of structures of the cardiac conduction system is

Accepted Answer

A)  AV node,SA node,Purkinje fibers,AV bundle. 
B)  AV node,AV bundle,Purkinje fibers,SA node. 
C)  SA node,Purkinje fibers,AV node,AV bundle. 
D)  SA node,AV node,AV bundle,Purkinje fibers. 
E)  Purkinje fibers,SA node,AV node,AV bundle. 
A)  AV node,SA node,Purkinje fibers,AV bundle. 
B)  AV node,AV bundle,Purkinje fibers,SA node. 
C)  SA node,Purkinje fibers,AV node,AV bundle. 
D)  SA node,AV node,AV bundle,Purkinje fibers. 
E)  Purkinje fibers,SA node,AV node,AV bundle.

Question 15

This layer of the heart wall is mostly cardiac muscle tissue.

Accepted Answer

A)  epicardium 
B)  myocardium 
C)  endocardium 
D)  pericardium 
A)  epicardium 
B)  myocardium 
C)  endocardium 
D)  pericardium

Question 16

A mass of interconnected cardiac muscle cells that act as a group constitutes a(an)________.

Accepted Answer

functional

Question 17

The tunica media is thickest in this type of blood vessels.

Accepted Answer

A)  arteries 
B)  veins 
C)  capillaries 
D)  arterioles 
E)  venules 
A)  arteries 
B)  veins 
C)  capillaries 
D)  arterioles 
E)  venules

Question 18

This layer of a blood vessel wall is made of connective tissue and attaches the vessel to surrounding tissues.

Accepted Answer

A)  epithelium 
B)  tunica interna 
C)  tunica media 
D)  tunica externa 
E)  smooth muscle 
A)  epithelium 
B)  tunica interna 
C)  tunica media 
D)  tunica externa 
E)  smooth muscle

All venous blood returns to the heart through the superior or inferior vena cava.

The parietal pericardium is the innermost layer that covers the surface of the heart.

Plasma proteins in blood capillaries help to

During ventricular contraction,what statement is true?

Contraction of the heart is called _________.

The Frank-Starling law of the heart holds that the

The oxygen-rich vessels that supply the heart muscle with blood are the cardiac veins.

Venous pathways commonly connect in irregular networks and may have many unnamed tributaries.

Because capillary blood pressure in the arteriolar ends of capillaries is higher than the osmotic pressure,

Relaxation of the heart is called ________.

This artery has branches called the gastric,hepatic and splenic arteries.

In an ECG pattern,the P wave is caused by

The top of the heart is called the base,and the pointed bottom of the heart is called the apex.

The correct sequence of structures of the cardiac conduction system is

This layer of the heart wall is mostly cardiac muscle tissue.

A mass of interconnected cardiac muscle cells that act as a group constitutes a(an)________.

The tunica media is thickest in this type of blood vessels.

This layer of a blood vessel wall is made of connective tissue and attaches the vessel to surrounding tissues.

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Muscular System

Nervous System

The Senses

Endocrine System

Blood

Lymphatic System and Immunity

Digestive System and Nutrition

Respiratory System

Urinary System

Water, electrolyte, and Acid-Base Balance

Reproductive Systems

Pregnancy, growth, development, and Genetics

Filters

Exam 13: Cardiovascular System

All venous blood returns to the heart through the superior or inferior vena cava.

The parietal pericardium is the innermost layer that covers the surface of the heart.

Plasma proteins in blood capillaries help to

During ventricular contraction,what statement is true?

Contraction of the heart is called _________.

The Frank-Starling law of the heart holds that the

The oxygen-rich vessels that supply the heart muscle with blood are the cardiac veins.

Venous pathways commonly connect in irregular networks and may have many unnamed tributaries.

Because capillary blood pressure in the arteriolar ends of capillaries is higher than the osmotic pressure,

Relaxation of the heart is called ________.

This artery has branches called the gastric,hepatic and splenic arteries.

In an ECG pattern,the P wave is caused by

The top of the heart is called the base,and the pointed bottom of the heart is called the apex.

The correct sequence of structures of the cardiac conduction system is

This layer of the heart wall is mostly cardiac muscle tissue.

A mass of interconnected cardiac muscle cells that act as a group constitutes a(an)________.

The tunica media is thickest in this type of blood vessels.

This layer of a blood vessel wall is made of connective tissue and attaches the vessel to surrounding tissues.

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Muscular System

Nervous System

The Senses

Endocrine System

Blood

Lymphatic System and Immunity

Digestive System and Nutrition

Respiratory System

Urinary System

Water, electrolyte, and Acid-Base Balance

Reproductive Systems

Pregnancy, growth, development, and Genetics

Filters