10/28/24, 5:40 AM 2024 Newest|NUR 212 Final Exam|COMPREHENSIVE MOST TESTED QUESTIONS AND VERIFIED SOLUTIONS|GET IT …
2024 Newest|NUR 212 Final
Exam|COMPREHENSIVE MOST TESTED
QUESTIONS AND VERIFIED SOLUTIONS|GET IT
100% ACCURATE!!
Terms in this set (166)
What is polarization? When heart cells are in a resting but ready state
Electrical stimulus begins traveling through the heart
What is depolarization?
muscle
The stimulated heart muscle returning to the resting
What is repolarization?
(polarized) state
Sinoatrial Node (SA node)-->
Internodal tracts-->
What is the pathway of
Atrioventricular Node (AV
electric conduction of
node)--> Bundle of His-->
the heart?
Bundle branches--> Purkinje
Fibers
What does sinus rhythm The electric impulse originated in the sinus node
mean? (normal rhythm)
,10/28/24, 5:40 AM 2024 Newest|NUR 212 Final Exam|COMPREHENSIVE MOST TESTED QUESTIONS AND VERIFIED SOLUTIONS|GET IT …
P- Artial depolarization
pr- delay of AV to allow filling
of the ventricles
Explain the cardiac
conduction systems
QRS- Ventricular
correlation with ECGs
depolarization
(Sectionally, what do P-
pr-QRS-st-T represent?)
st- the beginning of ventricle
repolarization
T- Ventricle repolarization
Black (left arm)- Left 2nd intercostal space
Red (left leg)- Lower left rib cage
Where are the five
White (right arm)- Right 2nd intercostal space
electrodes placed for
continuous heart
Green (right leg)- Right lower rib cage
monitoring? (Black, Red,
White, Green, Brown)
Brown (chest)- Just to the right of the sternum
(Smoke over fire, clouds over grass and brown
down the middle)
P- positive (upwards from the isoelectric line)
Q- Biphasic; positive and negative (downwards from
the isoelectric line, then upwards)
Individually, what type of
deflection should a
R- positive (upwards from the isoelectric line)
PQRST wave have?
S- Negative (downwards from the isometric line)
T- Positive (upwards from the isoelectric line)
Although it is part of the It is used as a baseline to evaluate elevation or
PR interval, what is the depression of the ST segment
purpose of the PR
segment?
, 10/28/24, 5:40 AM 2024 Newest|NUR 212 Final Exam|COMPREHENSIVE MOST TESTED QUESTIONS AND VERIFIED SOLUTIONS|GET IT …
Although it is not always Late ventricular repolarization
present, what does the U
wave represent?
REFERENCE PICTURE
(Intervals and segments)
When reading a six BB- 0.20 seconds
second ECG strip, what is
the difference in duration LB- 0.04 seconds
between the big box vs
little box?
I- Right Arm neg (white) to Left
Arm pos (black)
Leads I, II & III travel
between which points of II- Right Arm neg (white) to Left
contact and what is their Leg pos (red)
electronic charge?
III- Left Arm neg (black) to Left
Leg pos (red)
What is a normal time 0.12-0.20 seconds (three to five little boxes)
span of the PR interval?
LESS THAN or equal to 0.12 seconds
What is a normal time
span of the QRS (remember the QRS complex is only measured
complex? through the vertical shift of the S wave up to the J
point)
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