Electrocardiography Ch 49 Review

Quiz
•
Biology
•
University
•
Hard
Standards-aligned
Ramona Atiles
FREE Resource
70 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Polarity as it relates to the cardiac cycle refers to:
the electrical charge differences across the cardiac cell membrane during different phases of the cycle.
the amount of blood pumped by the heart in one minute.
the physical contraction of the heart muscle.
the rate at which the heart beats.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wave patterns on an ECG represent:
The electrical activity of the heart
The blood pressure in the arteries
The oxygen level in the blood
The heart's physical movement
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Methods for calculating a heart rate using an ECG include:
Counting the number of QRS complexes in a set time interval
Measuring the height of the P wave
Estimating based on patient age
Using the color of the ECG paper
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The components of an ECG machine include:
Electrodes, amplifier, display, and recorder
Stethoscope, thermometer, and sphygmomanometer
Syringe, needle, and cotton swab
Otoscope, ophthalmoscope, and reflex hammer
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify the location for proper lead placement in an ECG.
Chest and limbs
Abdomen and back
Neck and forehead
Legs and arms only
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Preparations that must be made before ECG testing include:
Ensuring the skin is clean and dry at electrode sites
Eating a heavy meal immediately before the test
Applying lotion to the chest area
Wearing metal jewelry during the test
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Correcting various artifacts that occur during ECG testing involves which of the following actions?
Checking electrode placement and ensuring proper skin preparation
Increasing the paper speed to reduce artifacts
Ignoring minor artifacts as they do not affect results
Using any type of gel regardless of compatibility
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