Question 1

An accessory pathway that has one end attached to normal conductive tissue is called a(n)_____ _____.

Accepted Answer

The answer of An accessory pathway that has one end...

Question 2

Myocardial ischemia delays the process of repolarization; therefore the ECG changes characteristic of ischemia include _____.
A) widening of the QRS complex
B) prolongation of the PR interval
C) changes in the ST segment and T wave
D) changes in the QRS complex and ST segment

Accepted Answer

Myocardial ischemia delays the process of repolarization; therefore the ECG changes characteristic of ischemia include changes in the ST segment and T wave.

Question 3

If the AV junction paces the heart,the electrical impulse must travel in a backward direction to activate the atria.This is called _____ conduction.

Accepted Answer

The answer of If the AV junction paces the heart,the...

Question 4

A(n)_____ _____ occurs as a result of an electrical impulse from a supraventricular site (such as the SA node)discharging at the same time as an ectopic site in the ventricles.

Accepted Answer

The answer of A(n)_____ _____ occurs as a result of...

Question 5

A _____ bundle branch block produces a QS pattern in lead V₁.

Accepted Answer

The answer of A _____ bundle branch block produces a...

Question 6

The axes of leads I,II,and III form an equilateral triangle with the heart at the center (Einthoven's triangle).If the augmented limb leads are added to this configuration and the axes of the six leads moved in a way in which they bisect each other,the result is the _____ _____ _____.

Accepted Answer

The answer of The axes of leads I,II,and III form...

Question 7

Sometimes,when a premature atrial complex (PAC)occurs very prematurely and close to the T wave of the preceding beat,only a P wave may be seen with no QRS after it (appearing as a pause).This type of PAC is termed a(n)_____ PAC.

Accepted Answer

The answer of Sometimes,when a premature atrial complex (PAC)occurs very...

Question 8

The right atrium receives deoxygenated blood from the _____ _____ _____ (which carries blood from the head and upper extremities),the _____ _____ _____ (which carries blood from the lower body),and the _____ _____ (which receives blood from the intracardiac circulation).

Accepted Answer

The answer of The right atrium receives deoxygenated blood from...

Question 9

Each small box on ECG paper represents _____ seconds.

Accepted Answer

The answer of Each small box on ECG paper represents...

Question 10

A(n)_____ _____ is a vertical line on the ECG that indicates the pacemaker has discharged.

Accepted Answer

The answer of A(n)_____ _____ is a vertical line on...

Question 11

Describe the appearance of a pathologic Q wave.

Accepted Answer

The answer of Describe the appearance of a pathologic Q...

Question 12

Indicate the heart surface viewed by each of the following: Leads II, 111, aVF_________________________ Leads V₁, V₂_____________________________ Leads V₃, V₄______________________________ Leads I, aVL V₅, V₆________________________

Accepted Answer

The answer of Indicate the heart surface viewed by each...

Question 13

Lead III views the _____ wall of the left ventricle.
A) septal
B) inferior
C) posterior
D) lateral

Accepted Answer

Lead III views the inferior wall of the left ventricle.

Question 14

Complete the following:
$\begin{array}{ll}
\text { Lead } & \text { Heart Surface Viewed } \
\mathrm{V}_{1} &---------- \
\mathrm{~V}_{2} & ----------  \
\mathrm{~V}_{3} & ----------  \
\mathrm{~V}_{4} & ----------  \
\mathrm{~V}_{5} & ----------  \
\mathrm{~V}_{6} & ----------  \
\end{array}$

Accepted Answer

The answer of Complete the following:
\(\begin{array}{ll}
\text { Lead } &...

Question 15

A QRS measuring 0.10 to 0.12 seconds is called a(n)_____ right or left bundle branch block.

Accepted Answer

The answer of A QRS measuring 0.10 to 0.12 seconds...

Question 16

Explain the difference between a PVC and a ventricular escape beat.

Accepted Answer

The answer of Explain the difference between a PVC and...

Question 17

Indicate the inherent rates for each of the following pacemaker sites:
 Sinoatrial (SA) node___________________
Atriovertricular (AV) junction_______________________
Ventricles____________________

Accepted Answer

The answer of Indicate the inherent rates for each of...

Question 18

A beat originating from the AV junction that appears later than the next expected sinus beat is called a(n)_____ _____ _____.

Accepted Answer

The answer of A beat originating from the AV junction...

Question 19

The area supplied by an obstructed coronary artery goes through a characteristic sequence of events that have been identified as zones of _____,_____,and _____.

Accepted Answer

The answer of The area supplied by an obstructed coronary...

Question 20

When reviewing a 12-lead ECG,intervals and duration are usually expressed in _____.

Accepted Answer

The answer of When reviewing a 12-lead ECG,intervals and duration...

Quiz 10: Post-Test

An accessory pathway that has one end attached to normal conductive tissue is called a(n)_ _.

Myocardial ischemia delays the process of repolarization; therefore the ECG changes characteristic of ischemia include _____.

If the AV junction paces the heart,the electrical impulse must travel in a backward direction to activate the atria.This is called _____ conduction.

A(n)_ _ occurs as a result of an electrical impulse from a supraventricular site (such as the SA node)discharging at the same time as an ectopic site in the ventricles.

A _____ bundle branch block produces a QS pattern in lead V₁.

The axes of leads I,II,and III form an equilateral triangle with the heart at the center (Einthoven's triangle).If the augmented limb leads are added to this configuration and the axes of the six leads moved in a way in which they bisect each other,the result is the ___ _ ___.

Sometimes,when a premature atrial complex (PAC)occurs very prematurely and close to the T wave of the preceding beat,only a P wave may be seen with no QRS after it (appearing as a pause).This type of PAC is termed a(n)_____ PAC.

The right atrium receives deoxygenated blood from the ___ _ _ (which carries blood from the head and upper extremities),the _ _ _ (which carries blood from the lower body),and the _ ___ (which receives blood from the intracardiac circulation).

Each small box on ECG paper represents _____ seconds.

A(n)_ _ is a vertical line on the ECG that indicates the pacemaker has discharged.

Describe the appearance of a pathologic Q wave.

Indicate the heart surface viewed by each of the following: Leads II, 111, aVF___________ Leads V₁, V₂_ Leads V₃, V₄ Leads I, aVL V₅, V₆________

Lead III views the _____ wall of the left ventricle.

Complete the following: $\begin{array}{ll}\text { Lead } & \text { Heart Surface Viewed } \\\mathrm{V}_{1} &---------- \\\mathrm{~V}_{2} & ---------- \\\mathrm{~V}_{3} & ---------- \\\mathrm{~V}_{4} & ---------- \\\mathrm{~V}_{5} & ---------- \\\mathrm{~V}_{6} & ---------- \\\end{array}$

A QRS measuring 0.10 to 0.12 seconds is called a(n)_____ right or left bundle branch block.

Explain the difference between a PVC and a ventricular escape beat.

Indicate the inherent rates for each of the following pacemaker sites: Sinoatrial (SA) node_______ Atriovertricular (AV) junction_ Ventricles__________

A beat originating from the AV junction that appears later than the next expected sinus beat is called a(n)___ _ ___.

The area supplied by an obstructed coronary artery goes through a characteristic sequence of events that have been identified as zones of ___,_,and ___.

When reviewing a 12-lead ECG,intervals and duration are usually expressed in _____.

Quiz 10: Post-Test

An accessory pathway that has one end attached to normal conductive tissue is called a(n)_____ _____.

Myocardial ischemia delays the process of repolarization; therefore the ECG changes characteristic of ischemia include _____.

If the AV junction paces the heart,the electrical impulse must travel in a backward direction to activate the atria.This is called _____ conduction.

A(n)_____ _____ occurs as a result of an electrical impulse from a supraventricular site (such as the SA node)discharging at the same time as an ectopic site in the ventricles.

A _____ bundle branch block produces a QS pattern in lead V1.

The axes of leads I,II,and III form an equilateral triangle with the heart at the center (Einthoven's triangle).If the augmented limb leads are added to this configuration and the axes of the six leads moved in a way in which they bisect each other,the result is the _____ _____ _____.

Sometimes,when a premature atrial complex (PAC)occurs very prematurely and close to the T wave of the preceding beat,only a P wave may be seen with no QRS after it (appearing as a pause).This type of PAC is termed a(n)_____ PAC.

The right atrium receives deoxygenated blood from the _____ _____ _____ (which carries blood from the head and upper extremities),the _____ _____ _____ (which carries blood from the lower body),and the _____ _____ (which receives blood from the intracardiac circulation).

Each small box on ECG paper represents _____ seconds.

A(n)_____ _____ is a vertical line on the ECG that indicates the pacemaker has discharged.

Describe the appearance of a pathologic Q wave.

Indicate the heart surface viewed by each of the following: Leads II, 111, aVF_________________________ Leads V1, V2_____________________________ Leads V3, V4______________________________ Leads I, aVL V5, V6________________________

Lead III views the _____ wall of the left ventricle.

A QRS measuring 0.10 to 0.12 seconds is called a(n)_____ right or left bundle branch block.

Explain the difference between a PVC and a ventricular escape beat.

Indicate the inherent rates for each of the following pacemaker sites: Sinoatrial (SA) node___________________ Atriovertricular (AV) junction_______________________ Ventricles____________________

A beat originating from the AV junction that appears later than the next expected sinus beat is called a(n)_____ _____ _____.

The area supplied by an obstructed coronary artery goes through a characteristic sequence of events that have been identified as zones of _____,_____,and _____.

When reviewing a 12-lead ECG,intervals and duration are usually expressed in _____.

An accessory pathway that has one end attached to normal conductive tissue is called a(n)_ _.

A(n)_ _ occurs as a result of an electrical impulse from a supraventricular site (such as the SA node)discharging at the same time as an ectopic site in the ventricles.

A _____ bundle branch block produces a QS pattern in lead V₁.

The axes of leads I,II,and III form an equilateral triangle with the heart at the center (Einthoven's triangle).If the augmented limb leads are added to this configuration and the axes of the six leads moved in a way in which they bisect each other,the result is the ___ _ ___.

The right atrium receives deoxygenated blood from the ___ _ _ (which carries blood from the head and upper extremities),the _ _ _ (which carries blood from the lower body),and the _ ___ (which receives blood from the intracardiac circulation).

A(n)_ _ is a vertical line on the ECG that indicates the pacemaker has discharged.

Indicate the heart surface viewed by each of the following: Leads II, 111, aVF___________ Leads V₁, V₂_ Leads V₃, V₄ Leads I, aVL V₅, V₆________

Indicate the inherent rates for each of the following pacemaker sites: Sinoatrial (SA) node_______ Atriovertricular (AV) junction_ Ventricles__________

A beat originating from the AV junction that appears later than the next expected sinus beat is called a(n)___ _ ___.

The area supplied by an obstructed coronary artery goes through a characteristic sequence of events that have been identified as zones of ___,_,and ___.