Question 1

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 close completely

Accepted Answer

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

Question 2

Most ventricular filling is accomplished during atrial contraction.

Accepted Answer

A) True 
 B)False

Question 3

An increase in stroke volume ____________________ the cardiac output.

Accepted Answer

The answer of An increase in stroke volume ____________________ the...

Question 4

The pulmonary circulation carries oxygenated blood from the lungs to the body tissues.

Accepted Answer

A) True 
 B)False

Question 5

An increase in the parasympathetic activity ____________________ the AV-nodal delay.

Accepted Answer

The answer of An increase in the parasympathetic activity ____________________...

Question 6

According to the Frank-Starling law of the heart, the shorter the initial length of the cardiac muscle fibres prior to contraction, the more forceful will be the subsequent contraction because the fibres are already partially contracted.

Accepted Answer

A) True 
 B)False

Question 7

Match the term, labelled 
Match the term, labelled a. through g., with their correct characteristic.
-induces coronary vasodilation

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

Question 8

Match the anatomical structures, labelled a. through e., with the heart characteristics. (Options may be used more than once or not at all.)
-its closing partially creates the heart sound "lub"

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 9

During exercise, the cardiac output ____________________.

Accepted Answer

The answer of During exercise, the cardiac output ____________________....

Question 10

One important function of the intrinsic control of the heart (Frank-Starling law of the heart) is to maintain the left and right cardiac outputs in balance.

Accepted Answer

A) True 
 B)False

Question 11

Which of these actions is done by the chordae tendineae

Accepted Answer

A) keeping the AV valves from closing during ventricular contraction 
B) holding the AV valves open during diastole 
C) holding the right and left ventricles together 
D) transmitting electrical impulses from the atria to the ventricles 
A) keeping the AV valves from closing during ventricular contraction 
B) holding the AV valves open during diastole 
C) holding the right and left ventricles together 
D) transmitting electrical impulses from the atria to the ventricles

Question 12

The AV valve controls the amount of blood entering the atrium from the venous system.

Accepted Answer

A) True 
 B)False

Question 13

Match the terms, labelled a. through f., with the descriptions. (Options may be used more than once or not at all.)
-The volume of blood ejected by each ventricle each beat is known as the _____.

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 14

Match the EKG features, labelled a. through f., with their correct characteristic.
-time during which atria are repolarizing

Accepted Answer

A) P wave 
B) QRS complex 
C) T wave 
D) PR interval 
E) TP interval
F)ST segment 
A) P wave 
B) QRS complex 
C) T wave 
D) PR interval 
E) TP interval
F)ST segment

Question 15

Vitamins ____________________ and ____________________ have been shown to slow plaque deposition.

Accepted Answer

The answer of Vitamins ____________________ and ____________________ have been shown...

Question 16

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 atrioventricular valve opens

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 17

Which of the following is a compensatory mechanism that comes into play in order to maintain the cardiac output for the failing heart

Accepted Answer

A) decreased myocardial contractility 
B) increased vagal stimulation 
C) increased sympathetic stimulation 
D) peripheral vasodilation 
A) decreased myocardial contractility 
B) increased vagal stimulation 
C) increased sympathetic stimulation 
D) peripheral vasodilation

Question 18

What is the function of the atrioventricular node

Accepted Answer

A) to excite the left and right atria 
B) to control the heart rate 
C) to prevent the atria and ventricles from contracting simultaneously 
D) to repolarize the heart after systole 
A) to excite the left and right atria 
B) to control the heart rate 
C) to prevent the atria and ventricles from contracting simultaneously 
D) to repolarize the heart after systole

Question 19

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

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 20

A swishy murmur heard between the second and first heart sounds is indicative of a(n) ____________________ (stenotic or insufficient) ____________________ (AV or semilunar) valve.

Accepted Answer

insufficie

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 close completely

Most ventricular filling is accomplished during atrial contraction.

An increase in stroke volume ____________________ the cardiac output.

The pulmonary circulation carries oxygenated blood from the lungs to the body tissues.

An increase in the parasympathetic activity ____________________ the AV-nodal delay.

According to the Frank-Starling law of the heart, the shorter the initial length of the cardiac muscle fibres prior to contraction, the more forceful will be the subsequent contraction because the fibres are already partially contracted.

Match the term, labelled Match the term, labelled a. through g., with their correct characteristic. -induces coronary vasodilation

Match the anatomical structures, labelled a. through e., with the heart characteristics. (Options may be used more than once or not at all.) -its closing partially creates the heart sound "lub"

During exercise, the cardiac output ____________________.

One important function of the intrinsic control of the heart (Frank-Starling law of the heart) is to maintain the left and right cardiac outputs in balance.

Which of these actions is done by the chordae tendineae

The AV valve controls the amount of blood entering the atrium from the venous system.

Match the terms, labelled a. through f., with the descriptions. (Options may be used more than once or not at all.) -The volume of blood ejected by each ventricle each beat is known as the _____.

Match the EKG features, labelled a. through f., with their correct characteristic. -time during which atria are repolarizing

Vitamins and have been shown to slow plaque deposition.

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 atrioventricular valve opens

Which of the following is a compensatory mechanism that comes into play in order to maintain the cardiac output for the failing heart

What is the function of the atrioventricular node

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

A swishy murmur heard between the second and first heart sounds is indicative of a(n) (stenotic or insufficient) (AV or semilunar) valve.

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

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Exam 8: Cardiac Physiology

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 close completely

Most ventricular filling is accomplished during atrial contraction.

An increase in stroke volume ____________________ the cardiac output.

The pulmonary circulation carries oxygenated blood from the lungs to the body tissues.

An increase in the parasympathetic activity ____________________ the AV-nodal delay.

According to the Frank-Starling law of the heart, the shorter the initial length of the cardiac muscle fibres prior to contraction, the more forceful will be the subsequent contraction because the fibres are already partially contracted.

Match the term, labelled Match the term, labelled a. through g., with their correct characteristic. -induces coronary vasodilation

Match the anatomical structures, labelled a. through e., with the heart characteristics. (Options may be used more than once or not at all.) -its closing partially creates the heart sound "lub"

During exercise, the cardiac output ____________________.

One important function of the intrinsic control of the heart (Frank-Starling law of the heart) is to maintain the left and right cardiac outputs in balance.

Which of these actions is done by the chordae tendineae

The AV valve controls the amount of blood entering the atrium from the venous system.

Match the terms, labelled a. through f., with the descriptions. (Options may be used more than once or not at all.) -The volume of blood ejected by each ventricle each beat is known as the _____.

Match the EKG features, labelled a. through f., with their correct characteristic. -time during which atria are repolarizing

Vitamins ____________________ and ____________________ have been shown to slow plaque deposition.

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 atrioventricular valve opens

Which of the following is a compensatory mechanism that comes into play in order to maintain the cardiac output for the failing heart

What is the function of the atrioventricular node

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

A swishy murmur heard between the second and first heart sounds is indicative of a(n) ____________________ (stenotic or insufficient) ____________________ (AV or semilunar) valve.

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

Vitamins and have been shown to slow plaque deposition.

A swishy murmur heard between the second and first heart sounds is indicative of a(n) (stenotic or insufficient) (AV or semilunar) valve.