Module 13: Quiz Flashcards
A medical assistant is providing teaching to a patient who is to undergo Holter monitoring. Which of the following information should the assistant include?
(A) “You can place a piece of tape over the electrode if it becomes loose.”
(B) “You can wear the monitor while you take a shower.”
(C) “You should refrain from doing your usual activities.”
(D) “Your diary should focus on your food intake.”
(A) “You can place a piece of tape over the electrode if it becomes loose.”
Which of the following is a state of cellular rest that is represented by a flatline on an EKG strip?
(A) Myocardial infarction
(B) Polarization
(C) Premature atrial contraction
(D) Somatic tremor
(B) Polarization
A medical assistant is calibrating an EKG machine. Which of the following should the assistant identify as the standard speed of the recording?
(A) 25 mm/sec
(B) 50 mm/sec
(C) 10 mm/sec
(D) 5 mm/sec
(A) 25 mm/sec
A medical assistant is performing an EKG on a patient who has a heart rate of 105/min. The assistant should identify this finding as an indication of which of the following conditions?
(A) Sinus rhythm
(B) Atrial fibrillation
(C) Bradycardia
(D) Tachycardia
(D) Tachycardia
A provider requests a rhythm strip in addition to a regular EKG tracing for a patient. The medical assistant should identify that which of the following leads provides the clearest recording of the heart rhythm?
(A) I
(B) II
(C) III
(D) V2
(B) II
A medical assistant is preparing a patient for an EKG. Which of the following instructions should the assistant provide to the patient?
(A) “Avoid food or drink for 4 hours prior to the test.”
(B) “Remove all clothing from the waist up.”
(C) “Apply moisturizing lotion to the electrode placement sites.”
(D) “Maintain a full bladder for the duration of the test.”
(B) “Remove all clothing from the waist up.”
When performing an EKG on a patient, a medical assistant notices a widened QRS complex on the patient’s EKG strip. Which of the following is a possible cause of this type of artifact?
(A) Atrial fibrillation
(B) Bradycardia
(C) Sinus dysryhthmia
(D) Premature ventricular contraction
(D) Premature ventricular contraction
A medical assistant notes a wandering baseline throughout an EKG tracing. The assistant should recognize that which of the following electrocardiograph issues could have resulted in this occurrence?
(A) The electrode pads were defective or poorly attached
(B) The machine was missing the grounding prong for the outlet
(C) The machine did not have the proper standardization settings set
(D) The cable tips were loose or had become separated
(A) The electrode pads were defective or poorly attached
A patient’s EKG tracing shows an expected P wave, QRS complex, and T wave configuration. There are five complete cardiac cycles on a 6-second strip. The assistant should recognize that this represents which of the following cardiac rhythms?
(A) Sinus bradycardia
(B) Atrial fibrillation
(C) Ventricular fibrillation
(D) Sinus tachycardia
(A) Sinus bradycardia
What is the ratio of applied leads to recorded leads for a standard EKG machine?
(A) 10:10
(B) 3:6
(C) 10:12
(D) 9:12
(C) 10:12
A medical assistant notices rhythmic sharp spikes throughout an EKG tracing. The assistant should identify that which of the following artifacts is occurring?
(A) Wandering baseline
(B) Interrupted baseline
(C) AC interference
(D) Somatic tremor
(C) AC interference
A medical assistant is preparing a patient who has shortness of breath for an EKG. In which of the following positions should the assistant place the patient?
(A) Prone
(B) Semi-Fowler’s
(C) Supine
(D) Sims’
(B) Semi-Fowler’s
A medical assistant is preparing to perform an EKG recording on a patient. The assistant should recognize that which of the following information is true of limb leads and electrodes?
(A) Limb leads are unipolar
(B) Leads V1 through V6 are limb leads
(C) Limb leads are placed on fleshy areas of the skin
(D) The left leg lead wire serves as the ground
(C) Limb leads are placed on fleshy areas of the skin
A medical assistant is preparing a patient for an EKG. In which of the following locations should the assistant place the V4 lead?
(A) In the 5th intercostal space at the anterior axillary line
(B) In the 5th intercostal space at the midaxillary line
(C) Midway between V3 and V5
(D) In the 5th intercostal space at the midclavicular line
(D) In the 5th intercostal space at the midclavicular line
A medical assistant is providing instructions to a female patient prior to a stress test. Which of the following instructions should the assistant include?
(A) “Eat a large meal before coming to the test.”
(B) “You should wear a dress on the day of the test.”
(C) “Take your medications on the day of the test.”
(D) “You can wear sandals when completing the test.”
(C) “Take your medications on the day of the test.”
