Question 1

Figure 18.3Using Figure 18.3, match the following:
-Normal sinus rhythm.

Accepted Answer

A

Question 2

Figure 18.3Using Figure 18.3, match the following:
-Ventricular fibrillation.

Accepted Answer

D

Question 3

The left side of the heart pumps the same volume of blood as the right.

Accepted Answer

A) True 
 B)False  True

Question 4

To auscultate the aortic semilunar valve, you would place your stethoscope in the .

Accepted Answer

A)  fifth intercostal space inferior to the left nipple 
B)  second intercostal space to the left of the sternum 
C)  fifth right intercostal space 
D)  second intercostal space to the right of the sternum 
A)  fifth intercostal space inferior to the left nipple 
B)  second intercostal space to the left of the sternum 
C)  fifth right intercostal space 
D)  second intercostal space to the right of the sternum

Question 5

Blood in the heart chambers provides some nutrients to the heart muscle cells.

Accepted Answer

A) True 
 B)False

Question 6

Figure 18.3Using Figure 18.3, match the following:
-Second- degree heart block.

Accepted Answer

The answer of   Figure 18.3Using Figure 18.3, match...

Question 7

The tricuspid valve is closed .

Accepted Answer

A)  while the atrium is contracting 
B)  while the ventricle is in diastole 
C)  when the ventricle is in systole 
D)  by the movement of blood from atrium to ventricle 
A)  while the atrium is contracting 
B)  while the ventricle is in diastole 
C)  when the ventricle is in systole 
D)  by the movement of blood from atrium to ventricle

Question 8

Which of the following is not part of the conduction system of the heart?

Accepted Answer

A)  AV valve 
B)  SA node 
C)  bundle of His 
D)  AV node 
A)  AV valve 
B)  SA node 
C)  bundle of His 
D)  AV node

Question 9

The myocardium receives its blood supply from the coronary arteries.

Accepted Answer

A) True 
 B)False

Question 10

The P wave of a normal electrocardiogram indicates .

Accepted Answer

A)  atrial depolarization 
B)  ventricular depolarization 
C)  atrial repolarization 
D)  ventricular repolarization 
A)  atrial depolarization 
B)  ventricular depolarization 
C)  atrial repolarization 
D)  ventricular repolarization

Question 11

Which of the following is not an age- related change affecting the heart?

Accepted Answer

A)  atherosclerosis 
B)  fibrosis of cardiac muscle 
C)  decline in cardiac reserve 
D)  thinning of the valve flaps 
A)  atherosclerosis 
B)  fibrosis of cardiac muscle 
C)  decline in cardiac reserve 
D)  thinning of the valve flaps

Question 12

Which of the following factors does not influence heart rate?

Accepted Answer

A)  gender 
B)  age 
C)  body temperature 
D)  skin color 
A)  gender 
B)  age 
C)  body temperature 
D)  skin color

Question 13

Figure 18.4Using Figure 18.4, match the following:
-The pacemaker rhythm that determines heart rate is called rhythm.

Accepted Answer

The answer of   Figure 18.4Using Figure 18.4, match...

Question 14

The second heart sound is heard during which phase of the cardiac cycle?

Accepted Answer

A)  ventricular filling 
B)  ventricular ejection 
C)  isovolumetric contraction 
D)  isovolumetric relaxation 
A)  ventricular filling 
B)  ventricular ejection 
C)  isovolumetric contraction 
D)  isovolumetric relaxation

Question 15

A man enters the hospital complaining of chest pain. His history includes smoking, a stressful job, a diet heavy in saturated fats, lack of exercise, and high blood pressure. Although he is not suffering from a heart attack, his doctor explains to him that a heart attack is quite possible. What did the chest pain indicate? Why is this man a prime candidate for a heart attack?

Accepted Answer

His symptoms indicate angina pectoris, p

Question 16

Hemorrhage with a large loss of blood causes _.

Accepted Answer

A)  no change in blood pressure but a change in respiration 
B)  no change in blood pressure but a slower heart rate 
C)  a rise in blood pressure due to change in cardiac output 
D)  a lowering of blood pressure due to change in cardiac output 
A)  no change in blood pressure but a change in respiration 
B)  no change in blood pressure but a slower heart rate 
C)  a rise in blood pressure due to change in cardiac output 
D)  a lowering of blood pressure due to change in cardiac output

Question 17

A 14- year- old girl undergoing a physical examination prior to being admitted to summer camp was found to have a loud diastolic murmur at the second intercostal space to the left side of the sternum. Explain the reason for the loud heart murmur associated with this girl's condition.

Accepted Answer

The heart murmur is due to inc

Question 18

Figure 18.4Using Figure 18.4, match the following:
-Left ventricle.

Accepted Answer

The answer of   Figure 18.4Using Figure 18.4, match...

Question 19

If the length of the absolute refractory period in cardiac muscle cells was the same as it is for skeletal muscle cells, .

Accepted Answer

A)  it would be less than 1-2 m 
B)  tetanic contractions might occur, which would stop the heart's pumping action 
C)  it would be much longer before cardiac cells could respond to a second stimulation 
D)  contractions would last as long as the refractory period 
A)  it would be less than 1-2 m 
B)  tetanic contractions might occur, which would stop the heart's pumping action 
C)  it would be much longer before cardiac cells could respond to a second stimulation 
D)  contractions would last as long as the refractory period

Question 20

What is the difference between the auricles and the atria?

Accepted Answer

Auricles are the flaplike appendages att

Exam 18: The Cardiovascular System: the Heart

Figure 18.3Using Figure 18.3, match the following: -Normal sinus rhythm.

Figure 18.3Using Figure 18.3, match the following: -Ventricular fibrillation.

The left side of the heart pumps the same volume of blood as the right.

To auscultate the aortic semilunar valve, you would place your stethoscope in the .

Blood in the heart chambers provides some nutrients to the heart muscle cells.

Figure 18.3Using Figure 18.3, match the following: -Second- degree heart block.

The tricuspid valve is closed .

Which of the following is not part of the conduction system of the heart?

The myocardium receives its blood supply from the coronary arteries.

The P wave of a normal electrocardiogram indicates .

Which of the following is not an age- related change affecting the heart?

Which of the following factors does not influence heart rate?

Figure 18.4Using Figure 18.4, match the following: -The pacemaker rhythm that determines heart rate is called rhythm.

The second heart sound is heard during which phase of the cardiac cycle?

Hemorrhage with a large loss of blood causes _.

A 14- year- old girl undergoing a physical examination prior to being admitted to summer camp was found to have a loud diastolic murmur at the second intercostal space to the left side of the sternum. Explain the reason for the loud heart murmur associated with this girl's condition.

Figure 18.4Using Figure 18.4, match the following: -Left ventricle.

If the length of the absolute refractory period in cardiac muscle cells was the same as it is for skeletal muscle cells, .

What is the difference between the auricles and the atria?

The Human Body: an Orientation

Chemistry Comes Alive

Cells: the Living Units

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissues

The Skeleton

Joints

Muscles and Muscle Tissue

The Muscular System

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System and Reflex Activity

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Cardiovascular System: Blood Vessels

The Lymphatic System and Lymphoid Organs and Tissues

The Immune System: Innate and Adaptive Body Defensives

The Respiratory System

The Digestive System

Nutrition, Metabolism, and Body Temperature Regulation

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Pregnancy and Human Development

Heredity

Filters