Chapter 9 Challenges Flashcards
Which of the following terms describes a fast heart rate, greater than 100 beats per minute?
A: Tachycardia
B: Bradycardia
C: Flutter
D: Fibrillation
A
Which artifact is most likely caused by other electrical equipment in the room?
A: Wandering Baseline
B: Somatic Tremor
C: Interrupted Baseline
D: 60-Cycle interference
D
Which of the following represents ventricular depolarization, or contraction?
A: PR interval
B: QRS Wave
C: ST segment
D: T wave
B
Which of the following dysrhythmias does not produce a pulse?
A: Atrial Flutter
B: Ventricular fibrillation
C: Sinus tachycardia
D: Atrial Fibrillation
B
Which of the following is the standard EKG paper speed?
A: 12.5 mm/second
B: 25 mm/second
C: 50 mm/second
D: 100 mm/second
B
Which of the following time periods is captured by one large square containing five small boxed on the EKG?
A: 0.04 seconds
B: 0.08 seconds
C: 0.12 seconds
D: 0.20 seconds
A
Describe the steps for recording and EKG tracing on a patient with a very hairy chest
The electrode gel needs to make maximal contact with the patient’s skin. In a patient with a hairy chest, use surgical clippers to remove enough hair to expose the chest
The red limb lead should be placed on which of the following?
A: Left Leg
B: Right Leg
C: Right Arm
D: Left Arm
A
The electrode for lead V6 should be placed on which of the following?
A. Left side of chest, fifth intercostal space, midaxillary line
B: Left side of chest, fifth intercostal space, anterior axillary line
C: Left side of chest, fifth intercostal space, midclavicular line
D: Left side of sternum, directly across from V1 at fourth intercostal space
A
A medical assistant is placing electrodes for an EKG on a patient’s left upper arm due to a left below-the-elbow amputation. On which of the following should the MA place the leg leads?
A: Lower legs, proximal to the ankle
B: Upper Thighs
C: Over kneecaps
D: On hips
B
Which of the following should the MA instruct the patient to do while recording the EKG?
A: Hold their breath
B: Lie still
C: Cross their legs
D: Count aloud to 10
B
Which of the following should the MA check for after the EKG has been recorded to ensure validity?
A: R wave on lead one with a negative deflection
B: Multiple regular spikes in the baseline
C: Baseline on the bottom of the EKG page
D: Standardization mark that is 10 MM high
D
What should the MA do first if a patient develops shortness of breath while they are recording?
A: Notify the provider
B: Finish recording the EKG
C: Administer oxygen
D: Have someone call 911
A
Which of the following actions should the MA take first after recording an EKG?
A: Give it to the provider for interpretation
B: Make a copy and leave it with the patient
C: Make a copy and place it in the patient’s chart
D: Write their interpretation at the top of the EKG
A
Which of the following is the size of a standard calibration box on the EKG?
A: 10 mm tall by 5 mm wide
B: 5 mm tall by 10 mm wide
C: 20 mm tall by 10 mm wide
D: 5 mm tall by 5 mm wide
A
