Quiz #7 Chapter 12 Flashcards
Represents one complete heartbeat?
Cardiac Cycle
Graphic representation of the electrical activity of the heart?
Electrocardiogram (ECG)
Abnormal electrical activity in the heart causing an irregular heartbeat?
Cardiac Dysrhythmia
What are the four waves associated with the ECG cycle?
P
Q
R
S
AV node transmits electrical impulses to the_____?
Bundle of His
What does FVC stand for?
Forced Vital Capacity
Sinoatrial node (SA node) - Initiates and regulates the heartbeat, known as the______of the heart.
Pacemaker
_______is a poor conductor of electricity.
Skin
True or False: ECG must be used in combination with: Patient’s symptoms, Health history, Physical examination, Other diagnostic and laboratory tests.
True
______refers to an ECG that is within normal limits.
Normal sinus rhythm
The flat, horizontal line that separates the various waves is known as the_______.
Baseline
_______ is the length of a wave or the length of a wave with a segment.
Interval
What is impaired blood flow to the heart muscle?
Cardiac Ischemia
How many leads are there in a standard ECG?
12 Leads
What can a muscle artifact to be identified by?
Fuzzy, irregular baseline.
When doing an ECG what position should you put the patient in?
Supine
What are the two types of muscle artifacts?
Involuntary muscle movement
Voluntary muscle movement
True or False: hypoexmia is the reduction in the oxygen supply to the tissues of the body?
False
______ Represents additional electricity activity that is picked up by the electrocardiograph.
Artifacts
_______monitors and records the cardiac activity of a patient for 24 hours.
Holter monitor electrocardiography
________ Deficiency of blood in a body part.
Ischemia
What is a simple noninvasive screening test that is often performed in the medical office?
Spirometry
What is a chronic lung disease that affects the small airway of the lungs?
Asthma
What is a portable, handheld manual or digital device used to measure a breathing maneuver performed by the patient?
Peak Flow Meter
Dysrhythmias are classified as______,______or_______?
Extra beats
Abnormal rate
Abnormal rhythm
Oxygen level in the blood is measured by_______and_______?
ABG (arterial blood gas) test
Pulse oximetry
______is an instrument used to record the electrical activity of the heart.
Electrocardiograph
A_______ is a tracing of the electrical activity of the heart between two electrodes.
Lead
True or False: to ensure accurate and valid test results this spirometer should be calibrated each day that the machine is used.
True
Name the most muscular and powerful chamber of the heart which serves to pump blood to the entire body.
The left ventricle
What are the other two most common artifacts (the first one is a muscle artifact)?
Wandering baseline artifact
60-cycle interference artifact
True or False: The most important parameters obtain from spirometry testing are: Forced Vital Capacity (FVC), Forced Expiratory Volume after 1 Second (FEV1), and FEV1/FVC ratio.
True
What symptoms does an ECG Evaluate?
Chest pain,
shortness of breath,
dizziness,
or heart palpatations
What are the 4 chambers of the heart?
Right and left atria, right and left ventricles
What does asthma affect?
The smaller bronchi
The bronchioles of the lungs
What does PFT stand for?
Pulmonary Function Test
_______is the most serious dysrhythmia.
V-fib
What are the 2 large veins in the heart?
Superior vena cava
Inferior vena cava
True or False: an ECG records only about 15 seconds of the hearts electrical activity.
False
What is the abbreviation for premature artial contraction?
PAC
True or False: an advantage of the compressed oxygen gas is less expensive than liquid oxygen.
True
The human heart consists of_____chambers.
4
True or False: Lead II shows the hearts rhythm more clearly than the other leads.
True
Electrodes should be stored in a______area.
Cool
True or False: one of the reasons electrocardiograms are used, is to determine the presence of hypertrophy (enlargement) of the heart.
True
Following the U wave, the heart is….?
Polarized
Normally the ECG is recorded with the paper moving at a speed of….?
25mm/sec.
What’s in the upper left chambers of the heart?
Right & Left atria
Most common rhythm disorder?
Paroxysmal atrial tachycardia
True or False: Asthma can occur at any age but is more common in children and young adults?
True
True or False: asthma is a chronic disease with no cure.
True
Blood exits through the left ventricle and then through the______to distribute to all parts of the body.
Aorta
True or False: The physician determines the patient’s need for oxygen therapy through clinical observation of the patient and by measuring the oxygen level of the patients blood.
True
Blood entering the_______is deoxygenated.
Right atrium
True or False: The standardization mark is 5mm high.
False