Update \complete questions and accurate detailed
answers \Graded A+
When the mitral valve opens, The right atrium, the right ventricle or the lungs is not correct.
the blood flows from the left When this valve opens the blood flows
atrium to which of the into the left ventricle.
following?
The right atrium The left
ventricle The right ventricle
The lungs
Which of the following age Fibrosis can occur at any age, but is most common with the
groups would be most likely to elderly. They have a higher incidence of AV block which can be
experience fibrosis in the caused by fibrosis in the conduction system.
conduction system?
21-30 years of age Infants
The elderly
40-60 years of age
Unresolved atrial fibrillation or If atrial fibrillation or atrial flutter is unresolved, it has the
atrial flutter is typically potential to developing
treated with which of the blood clots. These patient's are typically placed on an
following? anticoagulant medication such as Coumadin.
Lipitor Coreg
Procardia Coumadin
The nurse is caring for a Coreg, tylenol, and lidocaine is not used for myocardial infarction
patient that has had a chest pain. The drug of choice for most chest pain is considered
myocardial infarction and is morphine. It is administered by IV
experiencing chest pain. per the dosage ordered by the physician. The typical dose would
Which of the be considered 2-5 mg and may repeat every 5 minutes up to 10
following would be considered mg.
the typical medication used for
the relief of chest pain?
Coreg Tylenol
Lidocaine Morphine
,When the ECG technician is With the stress test, there are 10 leads. These leads include:
applying the electrodes for a V1-V6 RA/LA RL/LL
stress test, they place the V1-
V6 leads and then which of
the
following?
RA/LA
aVL/aVF RL/LL
Both A and C
The mean instantaneous The mean instantaneous vector would be considered the electrical
vector would be considered axis. The
which of the following? electrical axis of the heart would be considered the direction of
the electromotive force that is developed in the heart during
Bipolar lead Unipolar lead activation.
Electrical axis Focal point
Which of the following leads The precordial leads help to record the electrical activity of the
would help to record the heart's horizontal plane of the heart. This provides a transverse
electrical activity in the heart's view through the middle of the heart which divides it into upper
horizontal plane? and lower portions.
Bipolar lead 12-lead ECG
Precordial leads Unipolar leads
If the sinus nodes fails to Septal defect is a hole in the heart wall that separates the atria or
regulate the heart rhythm, it the ventricles. Idiopathic is no known cause.
is considered which of the Shunt is something that allows blood to flow between two
following? locations.
SSS is sick sinus syndrome or when the sinus node fails (is sick)
Septal defect Idiopathic and cannot regulate the hearts rhythm.
SSS
Shunt
The positive electrode in lead Right and left chest area would not be correct. The left leg
II is placed in which position electrode is positive in Lead II.
on the patient?
Right chest area Left chest
area Left leg
None of the above
, The heart is made up of Approximately half a billion cells make up a standard human
approximately how many heart. Most of them make up
cells? the ventricular walls. There are approximately 100 million
myocardial cells that contract every
200 hundred One trillion Half one third of a second.
a billion 10 thousand
If a patient is on continuous The typical lead that is displayed on a cardiac monitor is lead II.
cardiac Most cardiac
monitoring, which of the monitor have the ability of changing this to a different lead, but
following leads would most this has to be done by the healthcare staff.
likely be seen on the monitor?
Lead III Lead I Lead II
All of the above
Of the following rhythms, Some of the life-threatening rhythms might include: Ventricular
which would not be considered fibrillation
a life-threatening Asystole
arrhythmia? Ventricular tachycardia Complete heart block
Ventricular fibrillation
Sinus rhythm with a 1st
degree block Asystole
Ventricular tachycardia
When checking the patient's The ear would be considered tympanic. The mouth would be
orders prior to performing the considered orally. The anus would be considered rectally. The
ECG, the technician sees armpit would be considered axillary.
that the patient's temperature
is to be taken axillary. Which
of the following routes
would be considered correct
for axillary?
Ear Mouth Armpit Anally
On a cardiac rhythm strip, If the RR or PP intervals are not equal, then the rhythm is
which of the following can irregular. One of the most uncommon rhythms
determine if the patients that is always unequal is atrial fibrillation.
heart rate is regular?
The RR intervals being
equal. The PP intervals
being equal. The RR
intervals being unequal.
Both A and B