Question 1

The ________ carry blood toward the heart.

Accepted Answer

The answer of The ________ carry blood toward the heart....

Question 2

The wall of the ________ rests on the diaphragm.

Accepted Answer

The answer of The wall of the ________ rests on...

Question 3

Coronary veins empty into the

Accepted Answer

A) left atrium. 
B) left ventricle. 
C) right atrium. 
D) right ventricle. 
E) conus arteriosus. 
A) left atrium. 
B) left ventricle. 
C) right atrium. 
D) right ventricle. 
E) conus arteriosus.

Question 4

As blood leaves the right ventricle it passes through the ________ and then into the pulmonary trunk.

Accepted Answer

A) pulmonary veins 
B) conus arteriosus 
C) aorta 
D) inferior vena cava 
E) superior vena cava 
A) pulmonary veins 
B) conus arteriosus 
C) aorta 
D) inferior vena cava 
E) superior vena cava

Question 5

The heart pumps approximately ________ liters of blood each day.

Accepted Answer

A) 8,000 
B) 15,000 
C) 20,000 
D) 50,000 
E) 100,000 
A) 8,000 
B) 15,000 
C) 20,000 
D) 50,000 
E) 100,000

Question 6

The right ventricle pumps blood to the

Accepted Answer

A) right and left lungs. 
B) left ventricle. 
C) left atrium. 
D) aorta. 
E) right atrium. 
A) right and left lungs. 
B) left ventricle. 
C) left atrium. 
D) aorta. 
E) right atrium.

Question 7

The cardiac ________ is the difference between the resting and maximal cardiac output.

Accepted Answer

The answer of The cardiac ________ is the difference between...

Question 8

As a result of the long refractory period in the cardiac action potential,cardiac muscle cannot exhibit

Accepted Answer

A) tonus. 
B) treppe. 
C) tetany. 
D) recruitment. 
E) fatigue. 
A) tonus. 
B) treppe. 
C) tetany. 
D) recruitment. 
E) fatigue.

Question 9

Intercalated discs serve to transfer ________ from cell to cell.

Accepted Answer

A) ionic currents 
B) action potentials 
C) the force of contraction 
D) electrical signals 
E) All of the answers are correct. 
A) ionic currents 
B) action potentials 
C) the force of contraction 
D) electrical signals 
E) All of the answers are correct.

Question 10

The cardioacceleratory center activates sympathetic neurons and the cardioinhibitory center controls parasympathetic neurons.

Accepted Answer

A) The first part of the statement is true but the second part is false. 
B) The first part of the statement is false but the second part is true. 
C) Both parts of the statement are true. 
D) Both parts of the statement are false. 
E) Both parts of the statement are true and relate to brainstem control of heart rate. 
A) The first part of the statement is true but the second part is false. 
B) The first part of the statement is false but the second part is true. 
C) Both parts of the statement are true. 
D) Both parts of the statement are false. 
E) Both parts of the statement are true and relate to brainstem control of heart rate.

Question 11

Figure 20-2 Cardiac Cycle
Use Figure 20-2 to answer the following question:
-What volume is labeled "F" on the graph?

Accepted Answer

A) cardiac output 
B) end-systolic volume 
C) end-diastolic volume 
D) total cardiac volume 
E) stroke volume 
A) cardiac output 
B) end-systolic volume 
C) end-diastolic volume 
D) total cardiac volume 
E) stroke volume

Question 12

When the semilunar valves close,the AV valves then

Accepted Answer

A) close. 
B) open. 
C) make the third heart sound. 
D) contract. 
E) prolapse. 
A) close. 
B) open. 
C) make the third heart sound. 
D) contract. 
E) prolapse.

Question 13

The P wave of the electrocardiogram is a signal from

Accepted Answer

A) depolarization of the SA node. 
B) depolarization of the AV node. 
C) depolarization of the atria. 
D) repolarization of the atria. 
E) depolarization of the ventricles. 
A) depolarization of the SA node. 
B) depolarization of the AV node. 
C) depolarization of the atria. 
D) repolarization of the atria. 
E) depolarization of the ventricles.

Question 14

The ________ valve prevents backward flow into the left atrium.

Accepted Answer

A) semicaval 
B) semilunar 
C) bicuspid 
D) tricuspid 
E) pulmonic 
A) semicaval 
B) semilunar 
C) bicuspid 
D) tricuspid 
E) pulmonic

Question 15

The space between the pleural cavities is called the ________.

Accepted Answer

The answer of The space between the pleural cavities is...

Question 16

Most of the mass of the heart lies to the ________ of the midline.

Accepted Answer

The answer of Most of the mass of the heart...

Question 17

Figure 20-2 Cardiac Cycle
Use Figure 20-2 to answer the following question:
-What occurs at the area labeled "D" on the graph?

Accepted Answer

A) AV valve opens 
B) semilunar valve opens 
C) diastolic filling begins 
D) AV valve opens and diastolic filling begins 
E) ventricle contracts 
A) AV valve opens 
B) semilunar valve opens 
C) diastolic filling begins 
D) AV valve opens and diastolic filling begins 
E) ventricle contracts

Question 18

The ________ covers the outer surface of the heart.

Accepted Answer

epicardium

Question 19

The atrioventricular valves permit blood flow

Accepted Answer

A) in one direction only. 
B) in both directions. 
C) in many directions. 
D) in opposite directions on the right and left. 
E) from a ventricle to an atrium. 
A) in one direction only. 
B) in both directions. 
C) in many directions. 
D) in opposite directions on the right and left. 
E) from a ventricle to an atrium.

Question 20

Figure 20-2 Cardiac Cycle
Use Figure 20-2 to answer the following question:
-What volume is labeled "E" on the graph?

Accepted Answer

A) cardiac output 
B) stroke volume 
C) end-diastolic volume 
D) end-systolic volume 
E) total cardiac volume 
A) cardiac output 
B) stroke volume 
C) end-diastolic volume 
D) end-systolic volume 
E) total cardiac volume

Exam 20: The Heart

The ________ carry blood toward the heart.

The wall of the ________ rests on the diaphragm.

Coronary veins empty into the

As blood leaves the right ventricle it passes through the ________ and then into the pulmonary trunk.

The heart pumps approximately ________ liters of blood each day.

The right ventricle pumps blood to the

The cardiac ________ is the difference between the resting and maximal cardiac output.

As a result of the long refractory period in the cardiac action potential,cardiac muscle cannot exhibit

Intercalated discs serve to transfer ________ from cell to cell.

The cardioacceleratory center activates sympathetic neurons and the cardioinhibitory center controls parasympathetic neurons.

Figure 20-2 Cardiac Cycle Use Figure 20-2 to answer the following question: -What volume is labeled "F" on the graph?

When the semilunar valves close,the AV valves then

The P wave of the electrocardiogram is a signal from

The ________ valve prevents backward flow into the left atrium.

The space between the pleural cavities is called the ________.

Most of the mass of the heart lies to the ________ of the midline.

Figure 20-2 Cardiac Cycle Use Figure 20-2 to answer the following question: -What occurs at the area labeled "D" on the graph?

The ________ covers the outer surface of the heart.

The atrioventricular valves permit blood flow

Figure 20-2 Cardiac Cycle Use Figure 20-2 to answer the following question: -What volume is labeled "E" on the graph?

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Articulations

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Neural Integration I: Sensory Pathways and the Somatic Nervous System

Neural Integration Ii: the Autonomic Nervous System and

The Special Senses

The Endocrine System

Blood

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters