EKG-MockExam-1-33

Which lead is involved in the anterior wall?

• aVF

• Lead I

• Lead III

• V3

Which of the following symptoms is most likely to be consistent with bradycardia?

• Hyperventilation

• Blood pressure of 100/80

• Cold and clammy skin

• Pulse rate of/min

Which of the following conditions is characterized by ST segment depression and T wave inversion?

• Early repolarization

• Elevated potassium

• Pericarditis

• Myocardial Ischemia

For 5-lead electrode placement for ambulatory monitoring, where should the EKG technician place the green ground electrode?

• On a rib on the lower right side

• On the right area of the manubrium

• Fifth intercostal space, midclavicular

• On the xiphoid process of the sternum

An EKG technician eliminates an EKG tracing's artifact by plugging the machine into a different wall outlet. This means that the artifact was caused by which of the following?

• Broken recording

• 60-cycle interference

• interrupted baseline

• wandering baseline

A patient has difficulty understanding why she needs an ambulatory monitor after having an EKG two days prior . Which of the following is an appropriate explanation by the EKG technician?

• "An ambulatory monitor records differently than an EKG"

• "Your doctor wants to study your heart over a longer period of time"

• "It is standard practice to attach an ambulatory monitor shortly after an EKG"

• "I cannot discuss why you have to wear an ambulatory monitor. You'll have to discuss that with your doctor"

The atypical vertical projections in an EKG are likely to result in which of the following?

• Pacemaker spikes

• Intrinsic R waves

• Intrinsic vertical anomaly

• Defibrillation spikes

Which of the following actions should an EKG technician perform on EKG cables to prevent the transmission of microorganisms?

• Sterilize with heat

• Clean with acetone

• Wipe with disinfectant

• Soak with alcohol

A patient has been ordered to wear a holter monitor for 24 hr. Which of the following statements from the patient would indicate understanding of home-care instructions?

• "I can turn the holter monitor off in order to shower or bathe"

• "I should record spontaneous symptoms unrelated to an activity"

• "I should replace leads that come loose"

• "I should avoid daily activities that may trigger heart abnormalities"

Which of the following methods for calculating a patient's heart rate from the EKG is correct?

• Calculate the mean rate and divide 1,500 by that rate

• Count the number of small boxes in two cardiac cycles

• Divide 1,500 by the number of small boxes in two R waves

• Count the number of large boxes between P and T waves