Pt's taking Nitroglycerin sublingually need to keep medication stored. How can pt tell if nitroglycerin lost strength?

They will not feel tingling when they place medication under the tongue

The normal QRS complex:

Has a duration of 0.06 to 0.12 seconds

Occurs on or near the T wave of the previous beat

First negative deflection following the P wave.

Produces acharacteristically abnormal amount of the ORE complex/PR interval

Which of the following is treated with hydrochlorothiazide?

High blood pressure and fluid retention

Which of the following applies to the premature ventricular complexes?

They have a wide and unusual QRS complex

What does a T-wave form on the EKG strip represent?

Repolarization of the ventricles

What may tall asymmetrically peaked P waves be seen with?

Increased right atrial pressure and right atrial dilation

A patient must undress from the waist up and put on a gown. What else is the patient instructed to do?

Remove any metal items, change and cellphones from their pockets and body

What takes place as a result of myocardial infarction?

A portion of the heart muscle dies

Preparing a patient with fragile skin for telemetry monitoring, which of the following measures should an ECG tech take?

Decrease pressure when abrading it.

Where would an EKG technician place a V6 chest lead?

Fifth intercostal space, left midaxillary line

How do statin medications work?

They reduce the incidence of heart attack and death with high cholesterol

If a patient has a limb amputated, where would the electrode be placed?

Tape the electrode to the site of the amputation

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EKG Pre AMCA part 2

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1
Pt's taking Nitroglycerin sublingually need to keep medication stored. How can pt tell if nitroglycerin lost strength?
They will not feel tingling when they place medication under the tongue
They will have itching and a rash
The medication will smell like ammonia
They get a headache and experience
2
The normal QRS complex:
Has a duration of 0.06 to 0.12 seconds
Consists of 2 waveforms
Occurs before the PR interval
Has an amplitude of 5 to 15 mm
3
When charting an EKG, which of the following is most important to document?
Brand of the EKG machine
Indication of the EKG
Type of patient clothing removed
Technician's interpretation of EKG
4
Which of the following conditions can result in atrial fibrillation?
Diabetes
Hypertension
Anemia
Appendicitis
5
What term means "pain associated with the heart"?
Cardiomyopathy
Cardiomegaly
Cardiodynia
Cardiogenic
6
Which waveforms are indicated by the two arrows in the image?
S and T
P and R
P and S
P and T
7
What is the typical EKG change seen in a patient with hypokalemia?
Elevated J point
Prominent Q-wave
Presence of U-wave
Shortened PR interval
8
Which of the following waveforms comes after the T-wave and is visible on an EKG strip?
S-wave
Q-wave
U-wave
P-wave
9
What is counted to obtain an atrial rate?
Paroxysmal
P waves
P-R interval
QRS complex
10
An R-on-T PVC:
May precipitate ventricular asystole
Appears as a PVC squeezed between two regular complexes
Occurs on or near the T wave of the previous beat
Produces a non-compensatory pause
11
The following rhythm strip is:
Atrial Fibrillation
Atrial Flutter
Ventricular Tachycardia
Ventricular Fibrillation
12
A flat line going across the screen is known as:
Angina
Myocardial Infarction
Asystole
Systole
13
Which of the following is a characteristic of the patient who is said to be in asystole?
Dramatic hypotension and slow thread pulse
Rate of 0 and no pulse
Rapid rate and loss of consciousness
Possible palpitations and rate of 60 beats per minute
14
Which blood vessel brings deoxygenated blood from the heart to the lungs?
Aorta
Pulmonary artery
Inferior Vena Cava
Pulmonary veins
15
What parts of the heart are indicated by the two arrows in the image below?
SA node and AV node
AV node and internodal pathways
Internodal pathway and AV bundle
SA node and Purkinje fibers
16
what is used as a reference point to identify the changing electrical amplitude?
P wave
Isoelectric line
QRS complex
PR interval
17
An over-the-counter medication that can be very effective as an antiplatelet is which of the following?
Aspirin
Antacid
Pseudophed
Naprosyn
18
What is a Q-wave?
Sometimes upright
First negative deflection following the P wave.
Normally absent
Negative deflection following the R wave
19
Which of the following tests do NOT permit the calculation of the cardiac ejection fraction?
2D echocardiogram
Cardiac nuclear study
Cardiac angiogram
Chest X ray
20
Pre-excitation:
Produces acharacteristically abnormal amount of the ORE complex/PR interval
Occurs when an impulse arises from a supraventricular site and travels
Leads to delayed depolarization
Leads to a longer than normal PR interval
21
Which of the following arrhythmias is represented on the EKG strip below?
Atrial fibrillation
Ventricular fibrillation
First-degree heart block
Normal sinus rhythm
22
Which of the following is treated with hydrochlorothiazide?
High blood pressure and fluid retention
Angina pectoris
Interstitial cystitis
Nephritis
23
Which of the following applies to the premature ventricular complexes?
They are proceded by an interval P wave
They have normal PR intervals
They are followed by a non-compensatory pause
They have a wide and unusual QRS complex
24
What kind of irregularity involves a rhythm that speeds up and slows down in a rhythmic fashion?
Profound
Patterned
Frequent
Slight
25
Nitroglycerin should NOT be used if a patient is also taking medication to treat which of the following conditions?
Bacterial infection
Erectile dysfunction
Major depressive disorder
Inflammatory bowel disease
26
Which of the following functions of the left ventricle is NOT a phase in the cardiac cycle?
Pressure
Filling
Relaxation
Contraction
27
What is the most superficial layer of the heart that is made up of simple squamous epithelial tissue called?
Pericardium
Endocardium
Epicardium
Myocardium
28
Narcan is used to block or reverse the effects of opioid medications, the treatment is given in what part of the body?
In the brachium
In a muscle on the outer thigh
In the gluteus maximus
In the stomach
29
What does a T-wave form on the EKG strip represent?
Depolarization of the ventricles
Repolarization of the atria
Repolarization of the Purkinje fibers
Repolarization of the ventricles
30
What may tall asymmetrically peaked P waves be seen with?
Increased left atrial pressure and left dilation
Impulses that originate outside the SA node
Delay in the movement of an electrical impulse between the RT and LT atria
Increased right atrial pressure and right atrial dilation
31
Which of the following ventricular rhythm is indicated on the EKG strip below?
Ventricular fibrillation
Ventricular tachycardia
Ventricular bradycardia
Premature ventricular complex
32
A patient must undress from the waist up and put on a gown. What else is the patient instructed to do?
Apply lotion to an overly dry skin
Perform jumping jacks to stimulate their heartbeat
Go to the bathroom and empty their bladder
Remove any metal items, change and cellphones from their pockets and body
33
When charting an EKG, which of the following is most important to document?
Indication for the EKG
Brand of the EKG Machine
Type of patient clothing removed
Technician's interpretation of EKG
34
What is the name of a three-leaflet heart valve that is located between the right atrium and the right ventricle?
Aortic valve
Pulmonary semilunar valve
Mitral valve
Tricuspid valve
35
What takes place as a result of myocardial infarction?
A portion of the heart muscle dies
A major blood vessel burst
A major artery becomes blocked
The heartbeat becomes very irregular
36
What vital sign should NOT be taken if a patient presents with chest pain?
Weight
Blood pressure
Oxygen levels
Heart rate
37
Which medication is used to treat a known opioid overdose?
Epinephrine
Baby aspirin
Narcan
Nitroglycerin
38
What is the name of the following rhythm?
Ventricular tachycardia
sinus tachycardia
Atrial flutter
Sinus arrest
39
Myocardial ischemia is also known as:
Angina
Stroke
Cardiac arrest
Heart attack
40
What does a P wave represent?
Repolarization of the ventricle
Repolarization of the atria
Depolarization of the ventricle
Depolarization of the atria
41
Preparing a patient with fragile skin for telemetry monitoring, which of the following measures should an ECG tech take?
Apply additional tape to secure the electrodes to the skin
Apply antiseptic cream before applying the electrodes
Apply a lubricant before applying the electronic
Decrease pressure when abrading it.
42
Which of the following terms refers to damage to a layer of the heart muscle?
Endocarditis
Cardiomegaly
Pericarditis
Cardiomyopathy
43
What is the correct prefix for "excessive" or "high"?
Sub
Hypo
Hyper
Megaly
44
Where would an EKG technician place a V6 chest lead?
Fifth intercostal space, left midaxillary line
Fifth intercostal space left midclavicular line
Fourth intercostal space, right sternal border
Fourth intercostal space left sternal border
45
How do statin medications work?
They treat hypertension in patients with high blood pressure
They cause the heart to regulate the heart rate
They work at thinning the blood to reduce the chance of a blood clot
They reduce the incidence of heart attack and death with high cholesterol
46
If a patient has a limb amputated, where would the electrode be placed?
Use 2 leads on the reaming limb
Omit the electrode because of the missing limb
Use only the 11 remaining leads
Tape the electrode to the site of the amputation
47
What is represented by a small square running horizontally on an EKG strip?
0.04 sec
0.1 mv
5 mm
3 sec
48
What is the earliest sign of myocardial infarction on an EKG tracing?
No QRS complex
ST-segment depression
ST-segment elevation
No P-waves
49
What occurs when electrical impulses come from foci in the atrium?
Atrial fibrillation
Atrial flutter
Sinus tachycardia
Ventricular tachycardia
50
In leads I, II, III, aVL, and V4 through V6, the deflection of the QRS complex is characteristically:
Upright
Inverted
Biphasic
Absent
51
Which of the following describes the heart rate when a person is experiencing atrial fibrillation?
Regular and slow
Irregular and slow
Regular and fast
Irregular and fast
52
Which of the following is an antihypertensive medication?
Digoxin
Clopidogrel
Metoprolol
Warfarin
53
What does the R-wave represent in the EKG strip below?
Repolarization of the ventricle
AV node triggering depolarization in the ventricle
SA node triggering depolarization in the atria
Delayed caused by the SA node
54
A technician suspect the patient is having an ischemic event. What portion of the EKG tracing should the tech examine?
ST segment
P-wave
Artifacts
PR interval
55
Patient in the emergency room presents with an irregular heartbeat and a blood pressure of 160/92. Patient's condition?
Hypothermia
Hypertension
Hypotension
Hyperthermia
56
Which of the following is usually the cause of interrupted baseline artifact, as shown:
The patient has involuntary movement, such as Parkinson's disease
The patient has oily skin or used lotion
The electrical connection has been interrupted
The patient sat up
57
The P wave represents which electrical activity?
Ventricular depolarization
Atrial depolarization
Ventricular repolarization
Atrial repolarization
58
What does atrial fibrillation have?
QRS complexes which appear wide and bizarre in configuration
Absence of discernible P waves
Regular rhythm
PR intervals of greater than 0.20 seconds
59
The myocardium is the:
External layer of the heart
Middle layer of the heart muscle, responsible for pumping action
Double-walled membranous sac enclosing the heart
Modified cells found in distal areas of the bundle branches
60
Which of the following topics would not be brought up in exam prep?
Insurance
Current medications
Name
Date of birth
61
What is the deflection of the QRS complex like in leads I,II,III, aVL,aVF, and V4 to V6?
Biphasic
Biphasic and inverted
Inverted
Upright
62
Which of the following types of waves are used when calculating heart rate using the 300 method?
R-waves
T-waves
Q-waves
U-waves
63
When preparing a patient to wear a Holter monitor, what instruction should be given to them?
Wear the monitor in the shower for accurate readings.
Remove the monitor when exercising
Depress the event maker for significant symptoms
Remove the monitor form the case at night
64
What is the normal duration range when measuring a QRS complex on an EKG strip?
0.08 - 0.10 sec
0.05 - 0.07 sec
0.11 - 0.13 sec
0.14 - 0.16 sec
65
What rhythm is depicted on the EKG strip below?
Ventricular fibrillation
Atrial fibrillation
Normal sinus rhythm
Asystole
66
What part of the patient medical history includes their lifestyle and health habits?
Family history
Past medical history
Protected health information
Social History
67
Which of the following is a treatment for ventricular tachycardia?
Cardioversion
Cardiac ablation
Cardiac resynchronization therapy
Automated external defibrillation
68
Which of the following are normal characteristics of the T wave?
Asymmetrical with peak towards the end
Symmetrical and hyperacute
Symmetrical and inverted
Asymmetrical with peak towards the beginning
69
Where may shorter than normal PR intervals be seen?
Junctional scape rhythm
Ventricular scape rhythm
Sinus dysrhythmia
Sinus tachycardia
70
A dysfunction in which of the following is associated with an abnormal sinus tachycardia?
Tricuspid valve
Atrioventricular node
Nerve signals at sinus node
Mitral valve
71
Which of the following represents the correct electrical conduction pathway in the heart?
SA node -> AV node -> Bundle of His -> Purkinje fibers
SA node -> Purkinje fibers -> Bundle of His -> AV node
Purkinje fibers -> Bundle of His -> AV nodes -> SA node
AV node -> SA node -> Bundle of His -> Purkinje fibers
72
The heart valves that separate the atria from the ventricles are called the:
Aortic valves
Pulmonary valve
Semilunar valves
Atrioventricular valves
73
When placing electrodes on a patient's chest, arm and legs, interference can occur if the pt has a lot of hair.
Put them in the shower and ask them to shave.
Wash their skin and apply shave cream
Ask the patient's permission before shaving them
Apply a depilatory and wipe off hair
74
How do medications that are "statins" work?
They work at thinning the blood to reduce the chance of a blood clot
They treat hypertension in patients with high blood pressure
They cause the heart to regulate the heart beat.
They reduce the incidence of heart attack and death in pt's w/ cholesterol
75
Which of the following is the correct medical term for an enlarged heart?
Cardiomegaly
Cardiomyopathy
Cardiac cathexia
Myocarditis
76
What occurs when electrical impulses come from multiple foci in the atrium?
Atrial flutter
Sinus tachycardia
Ventricular tachycardia
Atrial fibrillation
77
What type of rhythm is shown below?
Ventricular fibrillation
Asystole
Junctional tachycardia
Atrial fibrillation
78
What type of leads are the aVR, aVL and aVF leads?
Limb
Precordial
Augmented
Unipolar
79
Which of the following describes the PR intervals on a second-degree AV heart block, Type I?
Absent
Progressively longer
Progressively shorter
Constant
80
Which of the following statements is true regarding the ECG paper?
Five small squares, which make up a larger box, represent 0.20 seconds in
There is a grid of narrow horizontal and vertical lines that intersect
Each small square running horizontally represents 0.05 seconds in duration
Each small square running vertically represents 10 mm or 1.0 mV
81
Which of the following should NOT be included when charting EKG procedure?
Date and time of the procedure
Technician's initials
Patient's identifiers
Type of EKG machine
82
What mechanical event during the cardiac cycle is responsible for the production of the second heart sound?
Opening of the atrioventricular valves
Closing of the atrioventricular valves
opening of the semilunar valves
Closing of the semilunar valves
83
During stress testing, patient's blood pressure abruptly drops to 80/60mmHg. What should an EKG technician do?
Have the patient lie supine with legs elevated.
Complete the procedure normally
Rehydrate the patient
Reduce the speed of the machine
84
Which blood vessel carries oxygenated blood from the left ventricle?
Aorta
Pulmonary vein
Pulmonary artery
Coronary artery
85
What is counted to obtain an atrial rate?
P waves
Paroxysmal
QRS complex
P-R interval
86
Which action occurs during ventricular systole?
Both ventricles relax
The left ventricle contracts
The right ventricle contracts
Both ventricles contract
87
Which of the following PHI can be disclosed by the medical office without the patient's permission?
Home care reports and health history information
Consent forms and HIPAA forms
Insurance information and diagnostic reports
The medical practice's treatment, payment, and operation information
88
Which of the following refers to the period in which mechanical/electrical events of the heart are relaxed/repolirized?
Diastole
Automaticity
Cardiac cycle
Systole
89
What is the name of the blood vessel that carries oxygenated blood to the body?
Aorta
Pulmonary artery
Superior Vena Cava
Pulmonary vein
90
What part of the heart's electrical conduction system triggers both atria to contact?
Bundle of His
AV node
SA node
Purkinje fibers
91
In a 12-lead EKG,which leads are placed at the fifth intercostal space the mid clavicular line, same as the mid axillary
V5 and V6
V2 and V6
V4 and V6
V2 and V4
92
What can prevent electrodes from being placed in their usual location?
Vomiting
Left-sided chest pain
Migraine headache
Amputations, casts, or wounds
93
What is the name of the heart disease in which coronary arteries are blocked and cell death occurs?
Angina
Cardiomyopathy
Myocardial Infarction
Thrombus
94
The space between the ribs is known as:
Intercostal space
Valves
Atria
Chambers
95
Which ECG limb lead does not record any electrical activity from the heart?
Left arm
Left leg
Right arm
Right leg
96
Which action occurs during ventricular systole?
Both ventricle contract
The left ventricle contracts
The right ventricle contracts
Both ventricle relax
97
P waves resulting from impulses that originate outside the SA node are called:
Retro P
R prime
P neutral
P prime
98
What is another name for mini-stroke?
DVT
BCC
TIA
CVA
99
Which EKG limb lead does NOT record any electrical activity from the heart?
Right arm
Leeft arm
Right leg
Left leg
100
Which valve separates the left atrium and the left ventricle?
Aortic
Tricuspid
Pulmonary
Bicuspid

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