Question 1

Right ventricular hypertrophy is most commonly caused by

Accepted Answer

A) atrial fibrillation. 
B) heart attack. 
C) hypertension. 
D) chronic lung disease. 
A) atrial fibrillation. 
B) heart attack. 
C) hypertension. 
D) chronic lung disease.

Question 2

Ventricular hypertrophy is

Accepted Answer

A) excessive growth of ventricular myocardial tissue. 
B) excessive growth of atrial tissue. 
C) characterized by low-voltage QRS complexes. 
D) characterized by tall,pointy P waves. 
A) excessive growth of ventricular myocardial tissue. 
B) excessive growth of atrial tissue. 
C) characterized by low-voltage QRS complexes. 
D) characterized by tall,pointy P waves.

Question 3

In a hemiblock

Accepted Answer

A) the patient has signs of cardiovascular collapse. 
B) the QRS is widened to at least 0.12 seconds. 
C) one of the fascicles of the left bundle branch is blocked. 
D) the axis is normal. 
A) the patient has signs of cardiovascular collapse. 
B) the QRS is widened to at least 0.12 seconds. 
C) one of the fascicles of the left bundle branch is blocked. 
D) the axis is normal.

Question 4

________ is potassium deficit in the bloodstream.

Accepted Answer

The answer of ________ is potassium deficit in the bloodstream....

Question 5

An axis of +120 degrees is

Accepted Answer

A) normal axis. 
B) left axis deviation. 
C) right axis deviation. 
D) indeterminate axis. 
A) normal axis. 
B) left axis deviation. 
C) right axis deviation. 
D) indeterminate axis.

Question 6

Right axis deviation is between

Accepted Answer

A) 0 and +90 degrees. 
B) 0 and -90 degrees. 
C) +90 and 180 degrees. 
D) -90 and 180 degrees. 
A) 0 and +90 degrees. 
B) 0 and -90 degrees. 
C) +90 and 180 degrees. 
D) -90 and 180 degrees.

Question 7

Indeterminate axis is between

Accepted Answer

A) 0 and +90 degrees. 
B) 0 and -90 degrees. 
C) +90 and 180 degrees. 
D) -90 and 180 degrees. 
A) 0 and +90 degrees. 
B) 0 and -90 degrees. 
C) +90 and 180 degrees. 
D) -90 and 180 degrees.

Question 8

Left ventricular hypertrophy is most commonly caused by

Accepted Answer

A) atrial fibrillation. 
B) heart attack. 
C) hypertension. 
D) chronic lung disease. 
A) atrial fibrillation. 
B) heart attack. 
C) hypertension. 
D) chronic lung disease.

Question 9

RSR is the characteristic pattern seen in V₁ in patients with

Accepted Answer

A) complete heart block. 
B) Mobitz II second-degree AV block. 
C) LBBB. 
D) RBBB. 
A) complete heart block. 
B) Mobitz II second-degree AV block. 
C) LBBB. 
D) RBBB.

Question 10

Tall,pointy T waves are typical of

Accepted Answer

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

Question 11

Hypocalcemia causes a prolonged ST segment,thus causing a prolonged QT interval.

Accepted Answer

A) True 
 B)False

Question 12

Hypercalcemia is a disorder in which there is too much ________ in the bloodstream.

Accepted Answer

A) cholesterol 
B) calcium 
C) calcitonin 
D) potassium 
A) cholesterol 
B) calcium 
C) calcitonin 
D) potassium

Question 13

If the heart's current originates in the left ventricle and travels upward to the right,there would be right axis deviation.

Accepted Answer

A) True 
 B)False

Question 14

Left axis deviation is between

Accepted Answer

A) 0 and +90 degrees. 
B) 0 and -90 degrees. 
C) +90 and 180 degrees. 
D) -90 and 180 degrees. 
A) 0 and +90 degrees. 
B) 0 and -90 degrees. 
C) +90 and 180 degrees. 
D) -90 and 180 degrees.

Question 15

Bundle branch block is characterized by

Accepted Answer

A) a QRS complex at least 0.12 seconds wide. 
B) more P waves than QRS complexes. 
C) cardiac arrest. 
D) sudden onset of symptoms of decreased cardiac output. 
A) a QRS complex at least 0.12 seconds wide. 
B) more P waves than QRS complexes. 
C) cardiac arrest. 
D) sudden onset of symptoms of decreased cardiac output.

Question 16

Axis deviation can be a normal variant.

Accepted Answer

A) True 
 B)False

Question 17

Hypertrophy can stress the heart.

Accepted Answer

A) True 
 B)False

Right ventricular hypertrophy is most commonly caused by

Ventricular hypertrophy is

In a hemiblock

________ is potassium deficit in the bloodstream.

An axis of +120 degrees is

Right axis deviation is between

Indeterminate axis is between

Left ventricular hypertrophy is most commonly caused by

RSR is the characteristic pattern seen in V₁ in patients with

Tall,pointy T waves are typical of

Hypocalcemia causes a prolonged ST segment,thus causing a prolonged QT interval.

Hypercalcemia is a disorder in which there is too much ________ in the bloodstream.

If the heart's current originates in the left ventricle and travels upward to the right,there would be right axis deviation.

Left axis deviation is between

Bundle branch block is characterized by

Axis deviation can be a normal variant.

Hypertrophy can stress the heart.

Cardiac Anatomy and Physiology

Electrophysiology

Lead Morphology and Placement

Technical Aspects of the EKG

Calculating Heart Rate

How to Interpret a Rhythm Strip

Rhythms Originating in the Sinus Node

Rhythms Originating in the Atria

Rhythms Originating in the AV Junction

Rhythms Originating in the Ventricles

AV Blocks

Myocardial Infarction

Medications and Electrical Therapy

Diagnostic Electrocardiography

Filters

Exam 13: How to Interpret a 12-Lead EKG

Right ventricular hypertrophy is most commonly caused by

Ventricular hypertrophy is

In a hemiblock

________ is potassium deficit in the bloodstream.

An axis of +120 degrees is

Right axis deviation is between

Indeterminate axis is between

Left ventricular hypertrophy is most commonly caused by

RSR is the characteristic pattern seen in V₁ in patients with

Tall,pointy T waves are typical of

Hypocalcemia causes a prolonged ST segment,thus causing a prolonged QT interval.

Hypercalcemia is a disorder in which there is too much ________ in the bloodstream.

If the heart's current originates in the left ventricle and travels upward to the right,there would be right axis deviation.

Left axis deviation is between

Bundle branch block is characterized by

Axis deviation can be a normal variant.

Hypertrophy can stress the heart.

Cardiac Anatomy and Physiology

Electrophysiology

Lead Morphology and Placement

Technical Aspects of the EKG

Calculating Heart Rate

How to Interpret a Rhythm Strip

Rhythms Originating in the Sinus Node

Rhythms Originating in the Atria

Rhythms Originating in the AV Junction

Rhythms Originating in the Ventricles

AV Blocks

Myocardial Infarction

Medications and Electrical Therapy

Diagnostic Electrocardiography

Filters