Question 1

The specialized pacemaker cells contain contractile filaments.

Accepted Answer

A) True 
 B)False  False

Question 2

Which cardiac cell characteristic function is mechanical?

Accepted Answer

A)  Conductivity 
B)  Automaticity 
C)  Excitability 
D)  Contractility 
A)  Conductivity 
B)  Automaticity 
C)  Excitability 
D)  Contractility D

Question 3

The term threshold refers to the point at which a ________ will produce a cell response.

Accepted Answer

A)  contraction 
B)  receptor 
C)  stimulus 
D)  current 
A)  contraction 
B)  receptor 
C)  stimulus 
D)  current C

Question 4

During the resting period,what type of line is recorded on the EKG strip?

Accepted Answer

A)  Baseline 
B)  Artifact 
C)  Negative deflection 
D)  Positive deflection 
A)  Baseline 
B)  Artifact 
C)  Negative deflection 
D)  Positive deflection

Question 5

During the absolute refractory period the cardiac cell:

Accepted Answer

A)  can be stimulated if stimulus is strong enough. 
B)  can be stimulated. 
C)  cannot be stimulated. 
D)  can only contract. 
A)  can be stimulated if stimulus is strong enough. 
B)  can be stimulated. 
C)  cannot be stimulated. 
D)  can only contract.

Question 6

The ________ cells have the ability to create an electrical impulse without being stimulated by a nerve.

Accepted Answer

A)  myocardial pacemaker 
B)  myocardial conduct 
C)  myocardial excitable 
D)  myocardial contract 
A)  myocardial pacemaker 
B)  myocardial conduct 
C)  myocardial excitable 
D)  myocardial contract

Question 7

An ion with a positive charge is called a(n):

Accepted Answer

A)  neuron. 
B)  anion. 
C)  cation. 
D)  syncytia. 
A)  neuron. 
B)  anion. 
C)  cation. 
D)  syncytia.

Question 8

Cells responsible for generating the physical contraction of the heart muscle are the:

Accepted Answer

A)  contractile cells. 
B)  specialized pacemaker cells. 
C)  Both are responsible. 
D)  None are responsible. 
A)  contractile cells. 
B)  specialized pacemaker cells. 
C)  Both are responsible. 
D)  None are responsible.

Question 9

A decrease in calcium blood levels is termed:

Accepted Answer

A)  hypercalcemia. 
B)  hyponatremia. 
C)  hypocalcemia. 
D)  hypokalemia. 
A)  hypercalcemia. 
B)  hyponatremia. 
C)  hypocalcemia. 
D)  hypokalemia.

Question 10

The primary function of the myocardial working cell is contraction only.

Accepted Answer

A) True 
 B)False

Question 11

The term that is also referred to as irritability is:

Accepted Answer

A)  excitability. 
B)  conductivity. 
C)  contractility. 
D)  automaticity. 
A)  excitability. 
B)  conductivity. 
C)  contractility. 
D)  automaticity.

Question 12

The cation that is extracellular is:

Accepted Answer

A)  magnesium. 
B)  potassium. 
C)  sodium. 
D)  calcium. 
A)  magnesium. 
B)  potassium. 
C)  sodium. 
D)  calcium.

Question 13

The ability of the cell membrane to change to allow the movement of ions is called:

Accepted Answer

A)  amorality. 
B)  permeability. 
C)  changeability. 
D)  polarity. 
A)  amorality. 
B)  permeability. 
C)  changeability. 
D)  polarity.

Question 14

An increase in potassium levels is known as:

Accepted Answer

A)  hypernatremia. 
B)  hypercalcemia. 
C)  hyperkalemia. 
D)  hypokalemia. 
A)  hypernatremia. 
B)  hypercalcemia. 
C)  hyperkalemia. 
D)  hypokalemia.

Question 15

Automaticity is the ability of cardiac pacemaker cells to:

Accepted Answer

A)  cause cardiac muscle contraction. 
B)  respond to an electrical stimulus. 
C)  receive an electrical impulse. 
D)  generate their own impulses without external stimulation. 
A)  cause cardiac muscle contraction. 
B)  respond to an electrical stimulus. 
C)  receive an electrical impulse. 
D)  generate their own impulses without external stimulation.

Question 16

During the polarized or resting state,the inside of the cell is electrically:

Accepted Answer

A)  neutral. 
B)  negative. 
C)  positive. 
D)  positive and negative. 
A)  neutral. 
B)  negative. 
C)  positive. 
D)  positive and negative.

Question 17

An ion with a negative charge is called a(n):

Accepted Answer

A)  anion. 
B)  cation. 
C)  syncytia. 
D)  neuron. 
A)  anion. 
B)  cation. 
C)  syncytia. 
D)  neuron.

Question 18

All of the following cations affect cardiac function EXCEPT:

Accepted Answer

A)  chloride. 
B)  sodium. 
C)  potassium. 
D)  calcium. 
A)  chloride. 
B)  sodium. 
C)  potassium. 
D)  calcium.

The specialized pacemaker cells contain contractile filaments.

Which cardiac cell characteristic function is mechanical?

The term threshold refers to the point at which a ________ will produce a cell response.

During the resting period,what type of line is recorded on the EKG strip?

During the absolute refractory period the cardiac cell:

The ________ cells have the ability to create an electrical impulse without being stimulated by a nerve.

An ion with a positive charge is called a(n):

Cells responsible for generating the physical contraction of the heart muscle are the:

A decrease in calcium blood levels is termed:

The primary function of the myocardial working cell is contraction only.

The term that is also referred to as irritability is:

The cation that is extracellular is:

The ability of the cell membrane to change to allow the movement of ions is called:

An increase in potassium levels is known as:

Automaticity is the ability of cardiac pacemaker cells to:

During the polarized or resting state,the inside of the cell is electrically:

An ion with a negative charge is called a(n):

All of the following cations affect cardiac function EXCEPT:

The Anatomy of the Heart Structure

Cardio Vascular Physiology: Function

The Electrical Conduction System

The Electrocardiogram

Interpretation of an Ekg Strips

Introducing the Sinus Rhythms

Introducing the Atrial Rhythms

Introducing the Junctional Rhythms

Introducing the Ventricular Rhythms

Introducing the Heart Block Rhythms

Introducing the Pacemaker Rhythms

Assessment and Treatment of the Patient With Cardiac Emergencies

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Exam 3: Basic Electrophysiology

The specialized pacemaker cells contain contractile filaments.

Which cardiac cell characteristic function is mechanical?

The term threshold refers to the point at which a ________ will produce a cell response.

During the resting period,what type of line is recorded on the EKG strip?

During the absolute refractory period the cardiac cell:

The ________ cells have the ability to create an electrical impulse without being stimulated by a nerve.

An ion with a positive charge is called a(n):

Cells responsible for generating the physical contraction of the heart muscle are the:

A decrease in calcium blood levels is termed:

The primary function of the myocardial working cell is contraction only.

The term that is also referred to as irritability is:

The cation that is extracellular is:

The ability of the cell membrane to change to allow the movement of ions is called:

An increase in potassium levels is known as:

Automaticity is the ability of cardiac pacemaker cells to:

During the polarized or resting state,the inside of the cell is electrically:

An ion with a negative charge is called a(n):

All of the following cations affect cardiac function EXCEPT:

The Anatomy of the Heart Structure

Cardio Vascular Physiology: Function

The Electrical Conduction System

The Electrocardiogram

Interpretation of an Ekg Strips

Introducing the Sinus Rhythms

Introducing the Atrial Rhythms

Introducing the Junctional Rhythms

Introducing the Ventricular Rhythms

Introducing the Heart Block Rhythms

Introducing the Pacemaker Rhythms

Assessment and Treatment of the Patient With Cardiac Emergencies

Filters