Question 1

A diastolic murmur occurs between the second and the first heart sounds.​

Accepted Answer

A) True 
 B)False

Question 2

The heart lies in the __________ cavity about midline between the __________ anteriorly and the vertebrae posteriorly.

Accepted Answer

thoracic (

Question 3

How much of the coronary arterial flow occurs during diastole?

Accepted Answer

A) ​50% 
B) 60% 
C) 70% 
D) 80% 
E) ​90% 
A) ​50% 
B) 60% 
C) 70% 
D) 80% 
E) ​90%

Question 4

How does the heart muscle extract O2or nutrients from the blood?

Accepted Answer

A) ​via the coronary circulation 
B) absorption through the ventricles 
C) absorption through the atria 
D) via the vena cava 
E) ​via the pulmonary artery 
A) ​via the coronary circulation 
B) absorption through the ventricles 
C) absorption through the atria 
D) via the vena cava 
E) ​via the pulmonary artery

Question 5

How many chambers does the heart have?

Accepted Answer

A) ​one 
B) two 
C) three 
D) four 
E) ​five 
A) ​one 
B) two 
C) three 
D) four 
E) ​five

Question 6

Describe the specialized types of cardiac muscle cells.

Accepted Answer

There are two specialized types of cardi

Question 7

Approximately how many times does the human heart beat over an average lifetime?

Accepted Answer

A) ​30 billion 
B) 3 billion 
C) 300 million 
D) 30 million 
E) ​3 million 
A) ​30 billion 
B) 3 billion 
C) 300 million 
D) 30 million 
E) ​3 million

Question 8

What circulatory system loops between the heart and lungs?

Accepted Answer

A) ​pulmonary 
B) systemic 
C) arterial 
D) venous 
A) ​pulmonary 
B) systemic 
C) arterial 
D) venous

Question 9

What are the three main components of the circulatory system?

Accepted Answer

A) ​heart,arteries,and veins 
B) heart,blood,and lymph 
C) heart,blood vessels,and blood 
D) heart,blood vessels,and lungs 
E) ​smooth muscle,blood,and blood vessels 
A) ​heart,arteries,and veins 
B) heart,blood,and lymph 
C) heart,blood vessels,and blood 
D) heart,blood vessels,and lungs 
E) ​smooth muscle,blood,and blood vessels

Question 10

Discuss the nutrient supply to the heart.

Accepted Answer

Although the heart must rely heavily on

Question 11

Sympathetic stimulation of the AV node reduces the AV nodal delay by increasing conduction velocity as a result of enhancing the inward current of what element?

Accepted Answer

A) ​potassium 
B) phosphorus 
C) sodium 
D) calcium 
E) ​iron 
A) ​potassium 
B) phosphorus 
C) sodium 
D) calcium 
E) ​iron

Question 12

The systemic circulation is a circuit of vessels carrying blood between the heart and all body systems.​

Accepted Answer

A) True 
 B)False

Question 13

Figure 9-14
Use the figure above (Figure 9-14)to answer the corresponding questions.
  
-Which number in the figure represents the PR segment (AV nodal delay)?

Accepted Answer

A) ​1 
B) 2 
C) 3​ 
D) 4 
E) ​5
F)6 
A) ​1 
B) 2 
C) 3​ 
D) 4 
E) ​5
F)6

Question 14

What is cardiac output?

Accepted Answer

A) ​volume of blood pumped by both atria per minute 
B) volume of blood pumped by each atrium per minute 
C) volume of blood pumped by each ventricle per minute 
D) volume of blood pumped by both ventricles per minute 
E) ​total amount of blood pumped by the heart 
A) ​volume of blood pumped by both atria per minute 
B) volume of blood pumped by each atrium per minute 
C) volume of blood pumped by each ventricle per minute 
D) volume of blood pumped by both ventricles per minute 
E) ​total amount of blood pumped by the heart

Question 15

A(n)__________ valve is a stiff,narrowed valve that does not open completely.​

Accepted Answer

The answer of A(n)__________ valve is a stiff,narrowed valve that...

Question 16

The initial stage of atherosclerosis is characterized by accumulation beneath the endothelium of excessive amounts of:

Accepted Answer

A) ​plasma protein 
B) red blood cells 
C) HDL 
D) LDL 
E) ​VLDL 
A) ​plasma protein 
B) red blood cells 
C) HDL 
D) LDL 
E) ​VLDL

Question 17

Figure 9-14
Use the figure above (Figure 9-14)to answer the corresponding questions.
  
-Which number in the figure represents the T wave (ventricular repolarization)?

Accepted Answer

A) ​1 
B) 2​ 
C) 3 
D) 4 
E) ​5
F)6 
A) ​1 
B) 2​ 
C) 3 
D) 4 
E) ​5
F)6

Question 18

In a normal heart,what is the average amount of blood that's left in the ventricle at the end of systole when ejection is complete?​

Accepted Answer

A) ​155 mL 
B) 125 mL 
C) 95 mL 
D) 65 mL 
E) ​45 mL 
A) ​155 mL 
B) 125 mL 
C) 95 mL 
D) 65 mL 
E) ​45 mL

Question 19

Atrial excitation and contraction should be complete before the onset of ventricular contraction.

Accepted Answer

A) True 
 B)False

Question 20

The first heart sound is associated with closure of the __________ valves,whereas the second sound is associated with closure of the __________ valves.​

Accepted Answer

The answer of The first heart sound is associated with...

A diastolic murmur occurs between the second and the first heart sounds.

The heart lies in the cavity about midline between the anteriorly and the vertebrae posteriorly.

How much of the coronary arterial flow occurs during diastole?

How does the heart muscle extract O2or nutrients from the blood?

How many chambers does the heart have?

Describe the specialized types of cardiac muscle cells.

Approximately how many times does the human heart beat over an average lifetime?

What circulatory system loops between the heart and lungs?

What are the three main components of the circulatory system?

Discuss the nutrient supply to the heart.

Sympathetic stimulation of the AV node reduces the AV nodal delay by increasing conduction velocity as a result of enhancing the inward current of what element?

The systemic circulation is a circuit of vessels carrying blood between the heart and all body systems.

Figure 9-14 Use the figure above (Figure 9-14)to answer the corresponding questions. -Which number in the figure represents the PR segment (AV nodal delay)?

What is cardiac output?

A(n)__________ valve is a stiff,narrowed valve that does not open completely.

The initial stage of atherosclerosis is characterized by accumulation beneath the endothelium of excessive amounts of:

Figure 9-14 Use the figure above (Figure 9-14)to answer the corresponding questions. -Which number in the figure represents the T wave (ventricular repolarization)?

In a normal heart,what is the average amount of blood that's left in the ventricle at the end of systole when ejection is complete?

Atrial excitation and contraction should be complete before the onset of ventricular contraction.

The first heart sound is associated with closure of the valves,whereas the second sound is associated with closure of the valves.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System - Afferent Division - Special Senses

The Peripheral Nervous System - Efferent Division

Muscle Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

Principles of Endocrinology - the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive Systembrad

Filters

Exam 9: Cardiac Physiology

A diastolic murmur occurs between the second and the first heart sounds.​

The heart lies in the __________ cavity about midline between the __________ anteriorly and the vertebrae posteriorly.

How much of the coronary arterial flow occurs during diastole?

How does the heart muscle extract O2or nutrients from the blood?

How many chambers does the heart have?

Describe the specialized types of cardiac muscle cells.

Approximately how many times does the human heart beat over an average lifetime?

What circulatory system loops between the heart and lungs?

What are the three main components of the circulatory system?

Discuss the nutrient supply to the heart.

Sympathetic stimulation of the AV node reduces the AV nodal delay by increasing conduction velocity as a result of enhancing the inward current of what element?

The systemic circulation is a circuit of vessels carrying blood between the heart and all body systems.​

Figure 9-14 Use the figure above (Figure 9-14)to answer the corresponding questions. -Which number in the figure represents the PR segment (AV nodal delay)?

What is cardiac output?

A(n)__________ valve is a stiff,narrowed valve that does not open completely.​

The initial stage of atherosclerosis is characterized by accumulation beneath the endothelium of excessive amounts of:

Figure 9-14 Use the figure above (Figure 9-14)to answer the corresponding questions. -Which number in the figure represents the T wave (ventricular repolarization)?

In a normal heart,what is the average amount of blood that's left in the ventricle at the end of systole when ejection is complete?​

Atrial excitation and contraction should be complete before the onset of ventricular contraction.

The first heart sound is associated with closure of the __________ valves,whereas the second sound is associated with closure of the __________ valves.​

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System - Afferent Division - Special Senses

The Peripheral Nervous System - Efferent Division

Muscle Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

Principles of Endocrinology - the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive Systembrad

Filters

A diastolic murmur occurs between the second and the first heart sounds.

The heart lies in the cavity about midline between the anteriorly and the vertebrae posteriorly.

The systemic circulation is a circuit of vessels carrying blood between the heart and all body systems.

A(n)__________ valve is a stiff,narrowed valve that does not open completely.

In a normal heart,what is the average amount of blood that's left in the ventricle at the end of systole when ejection is complete?

The first heart sound is associated with closure of the valves,whereas the second sound is associated with closure of the valves.