WorksheetsTMT Study Prep Exam 1
Total questions: 58
Worksheet time: 30mins
What is the main purpose of the left side of the heart?
Pump oxygenated blood to the body
Pump deoxygenated blood to the lungs
Receive oxygenated blood from the body
Receive deoxygenated blood from the lungs
If there are 10 R intervals in a 6-second strip, what is the estimated heart rate?
(a)
If you have 30 large boxes on an ECG strip, how much time does that represent?
(a)
To use the 6-second method, you must ____ the number of ____ in a ____ time frame and multiply that number by ____.
count; R waves; 6-second; 10
measure; P waves; 10-second; 6
estimate; QRS complexes; 5-second; 12
record; T waves; 6-second; 5
On an ECG, one large box represents how much time?
0.20 seconds
0.04 seconds
0.10 seconds
0.50 seconds
On an ECG, how many small boxes represent one second?
25 boxes
50 boxes
5 boxes
10 boxes
What is the medical term for a rapid heartbeat?
Tachycardia
Bradycardia
Arrhythmia
Hypotension
What is the medical term for a slower than normal heart rate?
Bradycardia
Tachycardia
Hypertension
Dyspnea
Which part of the heart is responsible for initiating the electrical impulse in a normal heartbeat?
SA node
AV node
Bundle of His
Purkinje fibers
What is the medical term for an irregular heartbeat?
Arrhythmia
Hypertension
Hypoglycemia
Atherosclerosis
Based on the ECG strip shown, what is the correct rhythm interpretation?
Atrial fibrillation
Normal sinus rhythm
Ventricular tachycardia
Second-degree AV block
Based on the ECG strip shown, what is the correct rhythm interpretation?
Sinus bradycardia
Sinus rhythm
Sinus tachycardia
Sinus arrhythmia
Based on the ECG strip shown, what is the correct rhythm interpretation?
Sinus bradycardia
Normal sinus rhythm
Sinus tachycardia
Sinus arrhythmia
Blood flows into the _____ atrium from the _____ and the _____.
Right, superior vena cava, inferior vena cava
Left, pulmonary vein, aorta
Right, pulmonary artery, pulmonary vein
Left, superior vena cava, inferior vena cava
Which artery is often referred to as the “widow maker” due to its critical role in supplying blood to the heart?
Left anterior descending artery
Right coronary artery
Circumflex artery
Posterior descending artery
Which part of the Autonomic Nervous System is responsible for the body's rapid involuntary response to dangerous or stressful situations?
Sympathetic
Parasympathetic
Somatic
Central
Which part of the Autonomic Nervous System is responsible for conserving energy and promoting digestion?
Parasympathetic
Sympathetic
Somatic
Enteric
Which part of the heart acts as the primary pacemaker, and what is its normal intrinsic rate?
SA node, 60–100 BPM
AV node, 40–60 BPM
Bundle of His, 20–40 BPM
Purkinje fibers, 15–30 BPM
Identify the secondary pacemaker of the heart and its typical intrinsic rate range in BPM.
AV node, 40–60
SA node, 60–100
Bundle of His, 20–40
Purkinje fibers, 15–40
Which part of the heart acts as the tertiary pacemaker, and what is its intrinsic firing rate?
Purkinje fibers, 15–40 BPM
AV node, 40–60 BPM
SA node, 60–100 BPM
Bundle of His, 20–40 BPM
Repolarization means:
Relax and refill with blood
Contract and eject blood
Change in resting phase of heart
QRS Complex
Depolarization means:
Relax and refill with blood
Contract and eject blood
Change in resting phase of heart
QRS Complex
Which part of the EKG represents atrial depolarization?
P wave
QRS complex
T wave
U wave
Which part of the EKG indicates ventricular depolarization?
P wave
QRS complex
T wave
U wave
Which part of the EKG represents ventricular repolarization?
P wave
QRS complex
T wave
U wave
What does an EKG measure in the human body?
Electrical signals of the heart
Cholesterol levels
Respiratory rate
Liver enzymes
What is a normal adult pulse rate?
60–100 BPM
40–60 BPM
100–140 BPM
120–160 BPM
What is the function of veins?
Carry blood back to the heart
Carry oxygen to the tissues
Pump blood out of the heart
Filter waste from the blood
What is the function of arteries?
Carry blood away from the heart
Carry blood towards the heart
Filter waste from the blood
Produce red blood cells
What is the primary function of the right side of the heart?
Pump deoxygenated blood to the lungs/Pulmonary Circulation
Pump oxygenated blood to the body/Systemic Circulation
Receive oxygenated blood from the lungs
Pump oxygenated blood to the brain
What is the primary function of the left side of the heart?
Pump oxygenated blood to the body/Systemic Circulation
Pump deoxygenated blood to the lungs/Pulmonary Circulation
Receive oxygenated blood from the body
Receive deoxygenated blood from the lungs
What is the purpose of the heart valves?
Prevent the backflow of blood
Pump blood throughout the body
Produce red blood cells
Regulate body temperature
What role do the coronary arteries play?
Supply oxygenated blood to the heart muscle
Carry deoxygenated blood to the lungs
Transport nutrients to the brain
Remove waste products from the kidneys
When the atria contract, they move blood _____ into the ventricles. When the ventricles contract, they move blood _____ into the arteries.
Downward; outward
Upward; inward
Sideways; backward
Outward; downward
Where is the apex of the heart located?
At the bottom of the left ventricle
At the top of the right atrium
At the center of the left atrium
At the base of the right ventricle
Which of the following shows the correct sequence of the heart’s electrical conduction system?
SA node → AV node → Bundle of His → Purkinje fibers
AV node → SA node → Bundle of His → Purkinje fibers
Bundle of His → SA node → AV node → Purkinje fibers
Purkinje fibers → Bundle of His → AV node → SA node
Which type of valves separate the atria and ventricles?
Atrioventricular valves
Semilunar valves
Pulmonary valves
Tricuspid valves
Which type of valves separate the ventricles and arteries?
Semilunar valves
Atrioventricular valves
Bicuspid valves
Tricuspid valves
Which valve separates the right atrium from the right ventricle?
Tricuspid valve
Mitral valve
Aortic valve
Pulmonary valve
Which valve separates the left atrium from the left ventricle?
Mitral valve
Bicuspid valve
Pulmonary valve
Tricuspid valve
Which valve separates the right ventricle from the pulmonary arteries?
Pulmonary valve
Aortic valve
Mitral valve
Tricuspid valve
Which valve separates the left ventricle from the aorta?
Aortic valve
Mitral valve
Pulmonary valve
Tricuspid valve
What is the largest and strongest chamber of the heart?
Left ventricle
Right atrium
Left atrium
Right ventricle
What is the main purpose of the right side of the heart?
Pump deoxygenated blood to the lungs
Pump oxygenated blood to the body
Receive oxygenated blood from the lungs
Pump oxygenated blood to the brain
Click on the:
right ventricle
Using the word bank provided, label the following parts of the heart.
Apex
Left Atrium
Right Atrium
Left Ventricle
Right Ventricle
Click on the:
left atrium
Click on the:
right atrium
Click on the:
left ventricle
What does ST segment analysis help in identifying?
Neurological disorders
Myocardial ischemia or infarction
Bone fractures
Respiratory infections
What are some common abnormalities seen in the P wave on an ECG?
P wave inversion, P wave flattening, and P wave enlargement
P wave widening
P wave distortion
P wave sharpening
The heart’s natural pacemaker is termed the:
sinoatrial node (SA)
atrioventricular node (AN)
Purkinje fibers (PF)
During repolarization of ventricles
the ventricles are relax
the ventricles are contract
ECG stand for
Electrocardiograph
Electrocardiogram
Electrocardiopraphy
Electronicardiogram
Which is correct about the SA node?
located in left atrium
a collection of cardiac cells initiating action potentials
referred to as the artificial pacemaker
it is the equivalent of the AV node in birds
What is the primary function of the AV node in the heart's electrical conduction system?
To contract the ventricles
To initiate the heartbeat
To delay the electrical impulse
To supply blood to the heart muscle
Which wave on an ECG represents ventricular depolarization?
U wave
T wave
QRS complex
P wave
What is the role of the Bundle of His in the heart's conduction system?
To supply oxygenated blood to the heart muscle
To transmit impulses from the AV node to the ventricles
To initiate the electrical impulse
To act as the primary pacemaker
