Question 1

Match heart characteristic with correct anatomical structure. Choices may be used more than once or not at all.
-this electrically connects the atria to the ventricles

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 2

An increase in parasympathetic activity ____________________ the atrial contractility.

Accepted Answer

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

Question 3

Which of the following will not increase stroke volume?

Accepted Answer

A)  increased end-diastolic volume 
B)  increased contractility of the heart 
C)  increased end-systolic volume 
D)  increased stretch of the cardiac muscle fibers during ventricular filling 
E)  increased venous return 
A)  increased end-diastolic volume 
B)  increased contractility of the heart 
C)  increased end-systolic volume 
D)  increased stretch of the cardiac muscle fibers during ventricular filling 
E)  increased venous return

Question 4

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

Question 5

Match EKG feature with correct characteristic.
-Ventricular depolarization.

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 6

Indicate the effects of sympathetic and parasympathetic stimulation on the heart using the following answer code:
-increases the contractility of the atrial and ventricular muscle

Accepted Answer

A) an effect caused by sympathetic stimulation 
B) an effect caused by parasympathetic stimulation 
C) not brought about by either sympathetic or parasympathetic stimulation 
A) an effect caused by sympathetic stimulation 
B) an effect caused by parasympathetic stimulation 
C) not brought about by either sympathetic or parasympathetic stimulation

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

Match heart characteristic with correct anatomical structure. Choices may be used more than once or not at all.
-contains Purkinje

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

Compared to cardiac muscle tissue, skeletal muscle tissue has a(n) ____________________ duration for its refractory period.

Accepted Answer

The answer of Compared to cardiac muscle tissue, skeletal muscle...

Question 10

Sympathetic stimulation decrease calcium influx resulting in a stronger contraction.

Accepted Answer

A) True 
 B)False

Question 11

The aortic valve opens

Accepted Answer

A)  when ventricular pressure exceeds aortic pressure. 
B)  at the start of systole. 
C)  at the maximum ventricular pressure. 
D)  immediately after atrial contraction. 
E)  none of these answers. 
A)  when ventricular pressure exceeds aortic pressure. 
B)  at the start of systole. 
C)  at the maximum ventricular pressure. 
D)  immediately after atrial contraction. 
E)  none of these answers.

Question 12

MATCHING
Match term with correct characteristic.
-Associated with pacemaker cells.

Accepted Answer

A) gap junction 
B) funny channels 
C) functional syncytium 
D) EDV 
E) papillary muscles
F)second heart sound 
A) gap junction 
B) funny channels 
C) functional syncytium 
D) EDV 
E) papillary muscles
F)second heart sound

Question 13

Vagal influences on the heart result in

Accepted Answer

A)  enhanced calcium permeability at the SA node. 
B)  enhanced potassium permeability at the SA node. 
C)  less frequent depolarization of the SA node. 
D)  both (a) and (b) above. 
E)  both (b) and (c) above. 
A)  enhanced calcium permeability at the SA node. 
B)  enhanced potassium permeability at the SA node. 
C)  less frequent depolarization of the SA node. 
D)  both (a) and (b) above. 
E)  both (b) and (c) above.

Question 14

Indicate which valve abnormality is being described using the answer code below.
-Valve does not close completely.

Accepted Answer

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

Question 15

Use the answer code below to complete the following statements.
-The number of times the heart contracts each minute is 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 16

Match EKG feature with 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 17

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 18

The extent of ventricular filling is the preload of the heart, whereas the magnitude of the arterial blood pressure is the afterload of the heart.

Accepted Answer

A) True 
 B)False

Question 19

The function of the ventricular conduction system of the heart is to

Accepted Answer

A)  spread of the action potential throughout the large ventricular mass to ensure a single, coordinated contraction of the ventricles. 
B)  spread the action potential in the absence of sympathetic stimulation. 
C)  set the heart rate. 
D)  spread the action potential throughout the atria and ventricles. 
E)  slow down the original action potential so it has time to spread throughout the large ventricular mass. 
A)  spread of the action potential throughout the large ventricular mass to ensure a single, coordinated contraction of the ventricles. 
B)  spread the action potential in the absence of sympathetic stimulation. 
C)  set the heart rate. 
D)  spread the action potential throughout the atria and ventricles. 
E)  slow down the original action potential so it has time to spread throughout the large ventricular mass.

Question 20

The amount of blood pumped out of the heart during each beat is known as the cardiac output.

Accepted Answer

A) True 
 B)False

Match heart characteristic with correct anatomical structure. Choices may be used more than once or not at all. -this electrically connects the atria to the ventricles

An increase in parasympathetic activity ____________________ the atrial contractility.

Which of the following will not increase stroke volume?

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

Match EKG feature with correct characteristic. -Ventricular depolarization.

Indicate the effects of sympathetic and parasympathetic stimulation on the heart using the following answer code: -increases the contractility of the atrial and ventricular muscle

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

Match heart characteristic with correct anatomical structure. Choices may be used more than once or not at all. -contains Purkinje

Compared to cardiac muscle tissue, skeletal muscle tissue has a(n) ____________________ duration for its refractory period.

Sympathetic stimulation decrease calcium influx resulting in a stronger contraction.

The aortic valve opens

MATCHING Match term with correct characteristic. -Associated with pacemaker cells.

Vagal influences on the heart result in

Indicate which valve abnormality is being described using the answer code below. -Valve does not close completely.

Use the answer code below to complete the following statements. -The number of times the heart contracts each minute is the_____.

Match EKG feature with correct characteristic. -Time during which atria are repolarizing.

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.

The extent of ventricular filling is the preload of the heart, whereas the magnitude of the arterial blood pressure is the afterload of the heart.

The function of the ventricular conduction system of the heart is to

The amount of blood pumped out of the heart during each beat is known as the cardiac output.

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 and Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

The Blood Vessels and Blood Pressure

The Blood and Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine System

The Reproductive System

Filters

Exam 9: Cardiac Physiology

Match heart characteristic with correct anatomical structure. Choices may be used more than once or not at all. -this electrically connects the atria to the ventricles

An increase in parasympathetic activity ____________________ the atrial contractility.

Which of the following will not increase stroke volume?

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

Match EKG feature with correct characteristic. -Ventricular depolarization.

Indicate the effects of sympathetic and parasympathetic stimulation on the heart using the following answer code: -increases the contractility of the atrial and ventricular muscle

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

Match heart characteristic with correct anatomical structure. Choices may be used more than once or not at all. -contains Purkinje

Compared to cardiac muscle tissue, skeletal muscle tissue has a(n) ____________________ duration for its refractory period.

Sympathetic stimulation decrease calcium influx resulting in a stronger contraction.

The aortic valve opens

MATCHING Match term with correct characteristic. -Associated with pacemaker cells.

Vagal influences on the heart result in

Indicate which valve abnormality is being described using the answer code below. -Valve does not close completely.

Use the answer code below to complete the following statements. -The number of times the heart contracts each minute is the_____.

Match EKG feature with correct characteristic. -Time during which atria are repolarizing.

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.

The extent of ventricular filling is the preload of the heart, whereas the magnitude of the arterial blood pressure is the afterload of the heart.

The function of the ventricular conduction system of the heart is to

The amount of blood pumped out of the heart during each beat is known as the cardiac output.

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 and Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

The Blood Vessels and Blood Pressure

The Blood and Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine System

The Reproductive System

Filters

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