CCMA EKG and Cardio NHA

Front

What is the ratio of applied leads to recorded leads for a standard EKG machine?

Back

10:12

Front

A provider requests a rhythm strip in addition to a regular EKG tracing for a patient. Which lead provides the clearest recording of the heart rhythm? Options: I, II, III, V2

Back

II

Front

A medical assistant is calibrating an EKG machine. What is the standard speed of the recording?

Back

25 mm/sec

Front

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? Atrial fibrillation, Bradycardia, Sinus dysrhythmia, Premature ventricular contraction

Back

Premature ventricular contraction

Front

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? sinus rhythm, atrial fibrillation, bradycardia, tachycardia

Back

tachycardia

Front

A medical assistant is providing teaching to a patient who is to undergo Holter monitoring. Which of the following information should the assistant include? "You can place a piece of tape over the electrode if it becomes loose."

Back

You can place a piece of tape over the electrode if it becomes loose.

Front

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? limbs leads are unipolar, leads V1 through V6 are limb leads, limb leads are placed on the fleshly areas of the skin, the left leg lead wire serves as the ground

Back

limb leads are placed on the fleshly areas of the skin

Front

A medical assistant is preparing a patient for an EKG. Which instruction should the assistant provide to the patient? "Avoid food or drink for 4 hours prior to the test." "Remove all clothing from the waist up." "Apply moisturizing lotion to the electrode placement site." "Maintain a full bladder for the duration of the test."

Back

Remove all clothing from the waist up.

Front

A patient's EKG tracing shows an expected P wave, QRS complex, and T wave configuration with five complete cardiac cycles on a 6-second strip. This represents which cardiac rhythm?

Back

sinus bradycardia

Front

A medical assistant is preparing a patient for an EKG. In which of the following locations should the assistant place the V4 lead? Options: In the 5th intercostal space at the anterior axillary line, In the 5th intercostal space at the midaxillary line, Midway between V3 and V5, In the 5th intercostal space at the midclavicular line

Back

In the 5th intercostal space at the midclavicular line