Steve's EKG Final
This are from my EKG final study notes. Hope it helps!
- 1.
What is the medical term for blood pressure cuff?
- A.
Sphygmomanometer
- B.
Diostolic and Systolic
- C.
Pressure indicator
- D.
Pressure manometer
Correct Answer
A. Sphygmomanometer -
- 2.
You are performing a blood pressure check. The sound that you hear first is the __________?
- A.
Murmur
- B.
Diastolic
- C.
Systolic
- D.
Flutter
Correct Answer
C. Systolic -
- 3.
What is the normal respiratory rate for an adult?
- A.
12 to 20 breaths per minute
- B.
10 to 25 breaths per minute
- C.
8 to 18 breaths per minute
- D.
15 to 24 breaths per minute
Correct Answer
A. 12 to 20 breaths per minute -
- 4.
What is a myocardial infarction (MI)?
- A.
Lack of breath to the lungs
- B.
Measurement of the cardiac output
- C.
Lungs stop supplying blood to the body
- D.
Heart attack
Correct Answer
D. Heart attack -
- 5.
A waxy fat-like substance that is found in our cells is ______________?
- A.
Trans fat
- B.
Saturated fat
- C.
Cholesterol
- D.
Cebum
Correct Answer
C. Cholesterol -
- 6.
On a 12-lead EKG, how many electrodes are attached to the body?
- A.
10
- B.
12
- C.
8, not including ground
- D.
14, including ground
Correct Answer
A. 10 -
- 7.
What is a heart murmur?
- A.
What a normal heart does just before a lub/dub
- B.
Caused by blood flow through a heart valve that is closed completely
- C.
Caused by blood flow through a heart valve that is not closing all the way
- D.
Both A and C
Correct Answer
C. Caused by blood flow through a heart valve that is not closing all the way -
- 8.
On an EKG machine setup, what is the meaning of bipolar leads and what is another name for bipolar leads?
- A.
Bipolar leads have more than two connectors, leg leads
- B.
Bipolar leads are split at the terminal, triangle leads
- C.
Bipolar leads have two leads, limb leads
- D.
Bipolar leads are special leads, trunk leads
Correct Answer
C. Bipolar leads have two leads, limb leads -
- 9.
Normal human heartrate is ______________?
Correct Answer
72 BPM
72 beats per minute
seventy-two BPM
seventy-two beats per minute - 10.
What is the purpose of taking the pulse of a patient?
- A.
To check for sufficient bloodflow before applying the blood pressure cuff
- B.
It is not the most important vital sign but it's still a good idea to take it if the doctor orders it
- C.
Confirms the P wave on the EKG chart
- D.
Measures the heartrate in beats per minute
Correct Answer
D. Measures the heartrate in beats per minute -
- 11.
What is the normal range of the QRS complex?
- A.
1.2 seconds
- B.
12 nanoseconds
- C.
Greater than .12 seconds
- D.
Less than .12 seconds
Correct Answer
D. Less than .12 seconds -
- 12.
Why must the outlet used for the EKG equipment power be free of any other powered devices?
- A.
The extra electricity required would cause spikes on the print-out
- B.
Done to avoid 60-cycle interference
- C.
Voltage transients could short out the EKG machine
- D.
The circuitry inside the wall would be a parallel path
Correct Answer
B. Done to avoid 60-cycle interference -
- 13.
What are the four chambers of the heart?
- A.
Right aorta, right ventricle, left aorta, left ventricle
- B.
Right atrium, right ventricle, left atrium, left ventricle
- C.
Two atria and two verticles
- D.
AV left and right, up and down
Correct Answer
B. Right atrium, right ventricle, left atrium, left ventricle -
- 14.
What is the medical term for the fluid filled sac surrounding the heart?
- A.
Pericardium
- B.
Epicardium
- C.
Endocardium
- D.
Indocardium
Correct Answer
A. Pericardium -
- 15.
What is the function of the pulmonary valve?
- A.
Controls the flow of blood from chamber to chamber
- B.
Controls the flow of blood when the other valves stop functioning
- C.
Transfers the electrical signal by conduction to the bundle branches
- D.
Controls the flow of deoxygenated blood from the right ventricle to the lungs
Correct Answer
D. Controls the flow of deoxygenated blood from the right ventricle to the lungs -
- 16.
____________________ is the normal body temperature for a human body?
Correct Answer
37
37C
98.6
98.6F - 17.
From the following blood pressures what is the best reading?120/70120/60115/60
Correct Answer
120/70 - 18.
What are the unipolar augmented limb leads?
- A.
Right arm = aVr
- B.
Left arm = aVl
- C.
Left leg = aVf
- D.
All of the above
Correct Answer
D. All of the above -
- 19.
If the Q wave is present, what is true of the Q wave?
- A.
It is always negative
- B.
It is always positive
- C.
It is indicating the normal segment
- D.
It is indicating an abnormal segment
Correct Answer
A. It is always negative -
- 20.
Multiplying the number of R waves for six seconds of EKG printout times ten measures the __________________ and is called the ____________________?
- A.
Breaths per minute (BPM), 6-Second Rule
- B.
Beats per minute (BPM), 60-Cycle Rule
- C.
Beats per minute (BPM), 6-Second Rule
- D.
None of the above
Correct Answer
C. Beats per minute (BPM), 6-Second Rule -
- 21.
What does the abbreviation EKG mean?
- A.
Echocardiogram
- B.
Electricalorigram
- C.
Endocardiogram
- D.
None of the above
Correct Answer
D. None of the above -
- 22.
Where does the apex of the heart point?
- A.
Down and to the right
- B.
Down and to the left
- C.
Curved up to the left
- D.
Curved up to the right
Correct Answer
B. Down and to the left -
- 23.
The hearts' electrical system is called the ________________?
- A.
Polarity, negative and positive, switching
- B.
Heart circuitry
- C.
Body's on/off switch
- D.
Cardiac conduction
Correct Answer
D. Cardiac conduction -
- 24.
What are the four common vital signs performed in a doctor's office?
- A.
Pulse, blood pressure, respiration, temperature
- B.
Pulse, weight, height, temperature
- C.
Temperature, blood pressure, ear infection test, palpate
- D.
Family history, eating habits, temperature, pulse
Correct Answer
A. Pulse, blood pressure, respiration, temperature -
- 25.
You auscultate the heart of a patient and hear abnormal sounds. What could this mean?
- A.
The patient has tremors and could indicate abnormal blood flow to the heart
- B.
The patient has a heart murmur that could indicate structural heart disease
- C.
The patient has a lub dub that could indicate a higher than normal pulse
- D.
None of the above
Correct Answer
B. The patient has a heart murmur that could indicate structural heart disease -
- 26.
What does an EKG measure?
- A.
Measures the 25mm per second that the paper moves
- B.
Measures the plot of the x and y axis
- C.
Measures the electrical activity of the heart
- D.
Measures the signal from the brain to the heart
Correct Answer
C. Measures the electrical activity of the heart -
- 27.
What is the outermost layer of the heart?
- A.
Endocardium
- B.
Epocordium
- C.
Epicardium
- D.
Epicardigraph
Correct Answer
C. Epicardium -
- 28.
Why is the SA node called the pacemaker?
- A.
Because it is where the electrical impulses are generated and is the starting point of the heart's conduction system
- B.
Because the generated electrical impulses travel to the AV node through special heart fibers
- C.
Because it is where the sympathetic member vibrates when it receives electrical impulses
- D.
None of the above
Correct Answer
A. Because it is where the electrical impulses are generated and is the starting point of the heart's conduction system -
- 29.
What parts of the heart cause the lub-dub sound?
- A.
The venous blood entering the superior and inferior vena cava
- B.
The valves opening and closing
- C.
The valves when they do not fully close
- D.
The contraction of both ventricles
Correct Answer
B. The valves opening and closing -
- 30.
Why is the wall of the left vetricle three times thicker than the right ventricle?
- A.
Because of the AV valve attachment locations
- B.
Because of swelling in the heart due to excess fluid
- C.
Because it has to be able to withstand the higher blood pressure
- D.
None of the above
Correct Answer
C. Because it has to be able to withstand the higher blood pressure -
- 31.
What are valves designed to do?
- A.
Allow flow both ways depending on if the electrical conduction is present
- B.
Allows all flow into each chamber in order of priority
- C.
Creates a whirlpool effect to prevent blood stagnation
- D.
Allow forward flow and prevent backward flow
Correct Answer
D. Allow forward flow and prevent backward flow -
- 32.
What is meant by the term redux?
- A.
A problem which requires a retest
- B.
Backflow flow in the heart
- C.
The lub-dub cycle in the heart
- D.
Fine filaments that cause conduction to start
Correct Answer
B. Backflow flow in the heart -
- 33.
Define sinus rhythm?
- A.
Abnormal rhythm characterized by flutter and lub
- B.
Tachycardia rhythm caused by the Purkinje fibers
- C.
Normal rhythm exhibited by all nodes of the heart
- D.
Normal rhythm paced by the SA node
Correct Answer
D. Normal rhythm paced by the SA node -
- 34.
The wires used during an EKG test are called _______________?
Correct Answer
leads
lead - 35.
What is the purpose of an electronic pacemaker?
- A.
To test the polarity of the conduction system
- B.
To polarize and unpolarize rhythmically
- C.
To maintain a heart rhythm so oxygen and nutrients go to the body cells
- D.
Maintain a heart rhythm so fluctuations are not as noticeable
Correct Answer
C. To maintain a heart rhythm so oxygen and nutrients go to the body cells -
- 36.
A patient's blood pressure is 140/100. What pressure does the 100 indicate?
Correct Answer
diastolic - 37.
At what rate does the AV node fire in the heart?
- A.
20-80 beats per minute
- B.
40-120 beats per minute
- C.
50-110 beats per minute
- D.
60-100 beats per minute
Correct Answer
D. 60-100 beats per minute -
- 38.
What part of the heart does the term endocardium indicate?
- A.
Innermost layer of the heart that is lined with epithelial tissue
- B.
Outermost layer of the heart where conduction takes place
- C.
Middle layer of the heart that is lined with epithelial tissue
- D.
Liquid filled sac that surrounds and cushions the heart
Correct Answer
A. Innermost layer of the heart that is lined with epithelial tissue -
- 39.
A patient's blood pressure reading is 156/98 on the first try and 140/90 on the second. What do the values indicate?
- A.
Low blood pressure
- B.
Hypotension
- C.
Average blood pressure
- D.
Hypertension
Correct Answer
D. Hypertension -
- 40.
The most common patient position for performing an EKG is _____________?
Correct Answer
supine
face up - 41.
What is used to describe atrial flutter on the printout of an EKG?
- A.
Spiking positive then negative once or twice
- B.
Sawtooth pattern
- C.
Waveform pattern
- D.
Triangle pattern
Correct Answer
B. Sawtooth pattern -
- 42.
What is the difference between atrial flutter and fibrillation?
- A.
Fibrillation is well organized, flutter is not
- B.
There is no really noticeable difference
- C.
Flutter is well organized, fibrillation is not
- D.
Flutter has between 30-80 contractions per minute
Correct Answer
C. Flutter is well organized, fibrillation is not -
- 43.
What is the middle muscle layer of the heart called and what does it do?
- A.
Microcardium, houses the AV detectors
- B.
Macrocardium, determines the contraction rate
- C.
Myocadmium, measures the electrolytes in the blood
- D.
Myocardium, gives the heart the ability to contract and relax
Correct Answer
D. Myocardium, gives the heart the ability to contract and relax -
- 44.
Each day the average heart beats 100,000 times. What is this called?
- A.
Cardiac number
- B.
Cardiac output
- C.
Cardinal output number
- D.
Cardinal input number
Correct Answer
B. Cardiac output -
- 45.
A patient's blood pressure is 120/80. What pressure does the 120 indicate?
Correct Answer
systolic - 46.
The first wave seen on an EKG printout is the _______ wave?
Correct Answer
P
P wave - 47.
On all EKG machines, what is the standardized paper movement rate?
- A.
25 mm/sec
- B.
2.5 mm/sec
- C.
25 mm/min
- D.
2.5 mm/min
Correct Answer
A. 25 mm/sec -
- 48.
True or False: The horizontal line of a EKG printout represents voltage?
Correct Answer
False
F - 49.
What is the 300 rule and what condition is it normally used for?
- A.
The number of small squares between two Q waves divided into 300, used for normal sinus rhythm
- B.
The number of large squares between two Q waves times 300, used to determine if the heart is enlarged
- C.
The number of large squares between two R waves divided into 300, used for arrhythmia
- D.
None of the above
Correct Answer
C. The number of large squares between two R waves divided into 300, used for arrhythmia -
- 50.
True or False: The vertical line on an EKG printout represents voltage?
Correct Answer
true
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