Question 1

Match the pressure relationships, labelled a. through e., with the times in question. (Options may be used more than once or not at all.)
-when the aortic valve closes

Accepted Answer

A) aortic pressure > ventricular pressure > atrial pressure 
B) ventricular pressure > aortic pressure > atrial pressure 
C) aortic pressure > atrial pressure > ventricular pressure 
D) ventricular pressure > atrial pressure > aortic pressure 
E) atrial pressure > ventricular pressure > aortic pressure 
A) aortic pressure > ventricular pressure > atrial pressure 
B) ventricular pressure > aortic pressure > atrial pressure 
C) aortic pressure > atrial pressure > ventricular pressure 
D) ventricular pressure > atrial pressure > aortic pressure 
E) atrial pressure > ventricular pressure > aortic pressure

Question 2

Match the terms, labelled a. through f., with the descriptions. (Options may be used more than once or not at all.)
-The stroke volume may be calculated by end-diastolic volume minus _____.

Accepted Answer

A) stroke volume 
B) end-diastolic volume 
C) cardiac output 
D) heart rate 
E) end-systolic volume
F)sympathetic activity 
A) stroke volume 
B) end-diastolic volume 
C) cardiac output 
D) heart rate 
E) end-systolic volume
F)sympathetic activity

Question 3

Describe the mechanism of decompensated heart failure.

Accepted Answer

Decompensated heart failure occurs when

Question 4

The right ventricle pumps out blood low in oxygen content, whereas the left ventricle pumps out blood high in oxygen content.

Accepted Answer

A) True 
 B)False

Question 5

Match the valve abnormalities, labelled a. and b., with the descriptions. (Options may be used more than once or not at all.)
-produces a "gurgling" murmur

Accepted Answer

A) valvular stenosis 
B) valvular insufficiency 
A) valvular stenosis 
B) valvular insufficiency

Question 6

Match the ions, labelled a. through c., with the events being described. (Options may be used more than once or not at all.)
-Changes in cytosolic _____ concentration bring about changes in the strength of cardiac contraction.

Accepted Answer

A) K⁺ 
B) Na+ 
C) Ca²⁺ 
A) K⁺ 
B) Na+ 
C) Ca²⁺

Question 7

What rhythm characterizes atrial flutter as impulses pass from the AV node to the ventricles

Accepted Answer

A) 1:1 
B) 2:1 
C) 3:4 
D) 5:2 
A) 1:1 
B) 2:1 
C) 3:4 
D) 5:2

Question 8

The first heart sound signals the onset of ventricular systole.

Accepted Answer

A) True 
 B)False

Question 9

A pacemaker potential depends on the increased inward current of calcium ions.

Accepted Answer

A) True 
 B)False

Question 10

The atria and the ventricles contract at the same time to ensure efficient pumping action.

Accepted Answer

A) True 
 B)False

Question 11

Match the valve abnormalities, labelled a. and b., with the descriptions. (Options may be used more than once or not at all.)
-valve does not open completely

Accepted Answer

A) valvular stenosis 
B) valvular insufficiency 
A) valvular stenosis 
B) valvular insufficiency

Question 12

A patient has an EDV of 85 mL and an ESV of 35 mL with a heart rate of 50.What is this patient's cardiac output

Accepted Answer

A) 2500 mL/min, or 2.5 L/min 
B) 3500 mL/min, or 3.5 L/min 
C) 4500 mL/min, or 4.5 L/min 
D) 6500 mL/min, or 6.5 L/min 
A) 2500 mL/min, or 2.5 L/min 
B) 3500 mL/min, or 3.5 L/min 
C) 4500 mL/min, or 4.5 L/min 
D) 6500 mL/min, or 6.5 L/min

Question 13

Match the anatomical structures, labelled a. through e., with the heart characteristics. (Options may be used more than once or not at all.)
-during systole, it is forced closed by papillary muscle action

Accepted Answer

A) tricuspid valve 
B) myocardium 
C) aortic semilunar valve 
D) AV node 
E) sinoatrial node 
A) tricuspid valve 
B) myocardium 
C) aortic semilunar valve 
D) AV node 
E) sinoatrial node

Question 14

Match the valve abnormalities, labelled a. and b., with the descriptions. (Options may be used more than once or not at all.)
-produces a "whistling" murmur

Accepted Answer

A) valvular stenosis 
B) valvular insufficiency 
A) valvular stenosis 
B) valvular insufficiency

Question 15

Left-sided congestive heart failure can lead to pulmonary oedema.

Accepted Answer

A) True 
 B)False

Question 16

Contraction of the spirally arranged cardiac muscle fibres produces a wringing effect for efficient pumping.

Accepted Answer

A) True 
 B)False

Question 17

Which of these events will happen if the connection between the SA node and the AV node becomes blocked

Accepted Answer

A) The ventricles will beat faster. 
B) The stroke volume will increase. 
C) The ventricular rate of contraction will not be affected. 
D) The ventricles will contract more slowly. 
A) The ventricles will beat faster. 
B) The stroke volume will increase. 
C) The ventricular rate of contraction will not be affected. 
D) The ventricles will contract more slowly.

Question 18

Which of these statements describes ectopic focus

Accepted Answer

A) the place where an abnormally excitable area of the heart initiates a premature action potential 
B) the place where all the electrical impulses of the heart normally terminate 
C) the place where an ECG lead is attached on the outside of the chest 
D) the place where a heart valve is attached 
A) the place where an abnormally excitable area of the heart initiates a premature action potential 
B) the place where all the electrical impulses of the heart normally terminate 
C) the place where an ECG lead is attached on the outside of the chest 
D) the place where a heart valve is attached

Question 19

Match the cardiovascular features, labelled a. through d., with their correct characteristic.
-referred cardiac pain

Accepted Answer

A) angina pectoris 
B) embolus 
C) atherosclerosis 
D) thrombus 
A) angina pectoris 
B) embolus 
C) atherosclerosis 
D) thrombus

Question 20

Match the term, labelled 
Match the term, labelled a. through g., with their correct characteristic.
-carries cholesterol away from cells

Accepted Answer

A) gap junction 
B) HDL 
C) functional syncytium 
D) heart valve 
E) pericardial sac
F)LDL
G)adenosine 
A) gap junction 
B) HDL 
C) functional syncytium 
D) heart valve 
E) pericardial sac
F)LDL
G)adenosine

Match the pressure relationships, labelled a. through e., with the times in question. (Options may be used more than once or not at all.) -when the aortic valve closes

Match the terms, labelled a. through f., with the descriptions. (Options may be used more than once or not at all.) -The stroke volume may be calculated by end-diastolic volume minus _____.

Describe the mechanism of decompensated heart failure.

The right ventricle pumps out blood low in oxygen content, whereas the left ventricle pumps out blood high in oxygen content.

Match the valve abnormalities, labelled a. and b., with the descriptions. (Options may be used more than once or not at all.) -produces a "gurgling" murmur

Match the ions, labelled a. through c., with the events being described. (Options may be used more than once or not at all.) -Changes in cytosolic _____ concentration bring about changes in the strength of cardiac contraction.

What rhythm characterizes atrial flutter as impulses pass from the AV node to the ventricles

The first heart sound signals the onset of ventricular systole.

A pacemaker potential depends on the increased inward current of calcium ions.

The atria and the ventricles contract at the same time to ensure efficient pumping action.

Match the valve abnormalities, labelled a. and b., with the descriptions. (Options may be used more than once or not at all.) -valve does not open completely

A patient has an EDV of 85 mL and an ESV of 35 mL with a heart rate of 50.What is this patient's cardiac output

Match the anatomical structures, labelled a. through e., with the heart characteristics. (Options may be used more than once or not at all.) -during systole, it is forced closed by papillary muscle action

Match the valve abnormalities, labelled a. and b., with the descriptions. (Options may be used more than once or not at all.) -produces a "whistling" murmur

Left-sided congestive heart failure can lead to pulmonary oedema.

Contraction of the spirally arranged cardiac muscle fibres produces a wringing effect for efficient pumping.

Which of these events will happen if the connection between the SA node and the AV node becomes blocked

Which of these statements describes ectopic focus

Match the cardiovascular features, labelled a. through d., with their correct characteristic. -referred cardiac pain

Match the term, labelled Match the term, labelled a. through g., with their correct characteristic. -carries cholesterol away from cells

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System: Sensory, Autonomic, Somatic

Principles of Endocrinology: The Central Endocrine Glands

The Endocrine Glands

Muscle Physiology

Vascular Physiology

The Blood

Body Defences

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

The Reproductive System

Filters

Exam 8: Cardiac Physiology

Match the pressure relationships, labelled a. through e., with the times in question. (Options may be used more than once or not at all.) -when the aortic valve closes

Match the terms, labelled a. through f., with the descriptions. (Options may be used more than once or not at all.) -The stroke volume may be calculated by end-diastolic volume minus _____.

Describe the mechanism of decompensated heart failure.

The right ventricle pumps out blood low in oxygen content, whereas the left ventricle pumps out blood high in oxygen content.

Match the valve abnormalities, labelled a. and b., with the descriptions. (Options may be used more than once or not at all.) -produces a "gurgling" murmur

Match the ions, labelled a. through c., with the events being described. (Options may be used more than once or not at all.) -Changes in cytosolic _____ concentration bring about changes in the strength of cardiac contraction.

What rhythm characterizes atrial flutter as impulses pass from the AV node to the ventricles

The first heart sound signals the onset of ventricular systole.

A pacemaker potential depends on the increased inward current of calcium ions.

The atria and the ventricles contract at the same time to ensure efficient pumping action.

Match the valve abnormalities, labelled a. and b., with the descriptions. (Options may be used more than once or not at all.) -valve does not open completely

A patient has an EDV of 85 mL and an ESV of 35 mL with a heart rate of 50.What is this patient's cardiac output

Match the anatomical structures, labelled a. through e., with the heart characteristics. (Options may be used more than once or not at all.) -during systole, it is forced closed by papillary muscle action

Match the valve abnormalities, labelled a. and b., with the descriptions. (Options may be used more than once or not at all.) -produces a "whistling" murmur

Left-sided congestive heart failure can lead to pulmonary oedema.

Contraction of the spirally arranged cardiac muscle fibres produces a wringing effect for efficient pumping.

Which of these events will happen if the connection between the SA node and the AV node becomes blocked

Which of these statements describes ectopic focus

Match the cardiovascular features, labelled a. through d., with their correct characteristic. -referred cardiac pain

Match the term, labelled Match the term, labelled a. through g., with their correct characteristic. -carries cholesterol away from cells

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System: Sensory, Autonomic, Somatic

Principles of Endocrinology: The Central Endocrine Glands

The Endocrine Glands

Muscle Physiology

Vascular Physiology

The Blood

Body Defences

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

The Reproductive System

Filters