Patho Study Book 3

Question 1

Excitable focus outside the normally functioning sinoatrial node.

a. ) Automaticity b.) Sinus bradycardia
c. ) ECG d.) Sinus arrest
e. ) Bradyarrhythmias f.) Ectopic pacemaker
g. ) Arrhythmia h.) Sinus tachycardia
i. ) Tachyarrhythmias j.) First-degree atrioventricular block
k. ) Second-degree atrioventricular block
l. ) Third-degree atrioventricular block

Answer 1

f.) Ectopic pacemaker

Question 2

Heart rate greater than 100 beats/minute.

a. ) Automaticity b.) Sinus bradycardia
c. ) ECG d.) Sinus arrest
e. ) Bradyarrhythmias f.) Ectopic pacemaker
g. ) Arrhythmia h.) Sinus tachycardia
i. ) Tachyarrhythmias j.) First-degree atrioventricular block
k. ) Second-degree atrioventricular block
l. ) Third-degree atrioventricular block

Answer 2

h.) Sinus tachycardia

Question 3

Prolonged PR interval.

a. ) Automaticity b.) Sinus bradycardia
c. ) ECG d.) Sinus arrest
e. ) Bradyarrhythmias f.) Ectopic pacemaker
g. ) Arrhythmia h.) Sinus tachycardia
i. ) Tachyarrhythmias j.) First-degree atrioventricular block
k. ) Second-degree atrioventricular block
l. ) Third-degree atrioventricular block

Answer 3

k.) Second-degree atrioventricular block

Question 4

Disorders of cardiac rhythm.

a. ) Automaticity b.) Sinus bradycardia
c. ) ECG d.) Sinus arrest
e. ) Bradyarrhythmias f.) Ectopic pacemaker
g. ) Arrhythmia h.) Sinus tachycardia
i. ) Tachyarrhythmias j.) First-degree atrioventricular block
k. ) Second-degree atrioventricular block
l. ) Third-degree atrioventricular block

Answer 4

g.) Arrhythmia

Question 5

Ability of certain cells to spontaneously initiate an action potential.

a. ) Automaticity b.) Sinus bradycardia
c. ) ECG d.) Sinus arrest
e. ) Bradyarrhythmias f.) Ectopic pacemaker
g. ) Arrhythmia h.) Sinus tachycardia
i. ) Tachyarrhythmias j.) First-degree atrioventricular block
k. ) Second-degree atrioventricular block
l. ) Third-degree atrioventricular block

Answer 5

a.) Automaticity

Question 6

Reduce the diastolic filling time.

a. ) Automaticity b.) Sinus bradycardia
c. ) ECG d.) Sinus arrest
e. ) Bradyarrhythmias f.) Ectopic pacemaker
g. ) Arrhythmia h.) Sinus tachycardia
i. ) Tachyarrhythmias j.) First-degree atrioventricular block
k. ) Second-degree atrioventricular block
l. ) Third-degree atrioventricular block

Answer 6

i.) Tachyarrhythmias

Question 7

Heart rate less than 60 beats/minute.

a. ) Automaticity b.) Sinus bradycardia
c. ) ECG d.) Sinus arrest
e. ) Bradyarrhythmias f.) Ectopic pacemaker
g. ) Arrhythmia h.) Sinus tachycardia
i. ) Tachyarrhythmias j.) First-degree atrioventricular block
k. ) Second-degree atrioventricular block
l. ) Third-degree atrioventricular block

Answer 7

b.) Sinus bradycardia

Question 8

Decreased systemic perfusion.

a. ) Automaticity b.) Sinus bradycardia
c. ) ECG d.) Sinus arrest
e. ) Bradyarrhythmias f.) Ectopic pacemaker
g. ) Arrhythmia h.) Sinus tachycardia
i. ) Tachyarrhythmias j.) First-degree atrioventricular block
k. ) Second-degree atrioventricular block
l. ) Third-degree atrioventricular block

Answer 8

e.) Bradyarrhythmias

Question 9

Failure of the sinoatrial node to discharge.

a. ) Automaticity b.) Sinus bradycardia
c. ) ECG d.) Sinus arrest
e. ) Bradyarrhythmias f.) Ectopic pacemaker
g. ) Arrhythmia h.) Sinus tachycardia
i. ) Tachyarrhythmias j.) First-degree atrioventricular block
k. ) Second-degree atrioventricular block
l. ) Third-degree atrioventricular block

Answer 9

d.) Sinus arrest

Question 10

Graphic recording of the electrical activity of the heart.

a. ) Automaticity b.) Sinus bradycardia
c. ) ECG d.) Sinus arrest
e. ) Bradyarrhythmias f.) Ectopic pacemaker
g. ) Arrhythmia h.) Sinus tachycardia
i. ) Tachyarrhythmias j.) First-degree atrioventricular block
k. ) Second-degree atrioventricular block
l. ) Third-degree atrioventricular block

Answer 10

c.) ECG

Question 11

Intermittent failure of conduction of one or more P waves.

a. ) Automaticity b.) Sinus bradycardia
c. ) ECG d.) Sinus arrest
e. ) Bradyarrhythmias f.) Ectopic pacemaker
g. ) Arrhythmia h.) Sinus tachycardia
i. ) Tachyarrhythmias j.) First-degree atrioventricular block
k. ) Second-degree atrioventricular block
l. ) Third-degree atrioventricular block

Answer 11

L.) Third-degree atrioventricular block

Question 12

Conduction link between the atria and ventricles is lost.

a. ) Automaticity b.) Sinus bradycardia
c. ) ECG d.) Sinus arrest
e. ) Bradyarrhythmias f.) Ectopic pacemaker
g. ) Arrhythmia h.) Sinus tachycardia
i. ) Tachyarrhythmias j.) First-degree atrioventricular block
k. ) Second-degree atrioventricular block
l. ) Third-degree atrioventricular block

Answer 12

j.) First-degree atrioventricular block