jimmay- EKG mock exam 41-50

which of the following EKG machine functions should an EKG technician use to control and regulate the height of EKG waveforms on the tracing?

• speed

• output display

• artifact filter

• gain

an EKG technician is recording a patient's radial pulse rate and finds the pulse to be irregular. the provider then takes the patient's apical pulse. the technician should recognize that which of the following locations is used for this assessment?

• between the larnyx and the left sternocleidomastold muscle

• between the fifth and sixth ribs, at the left midclavicular

• the antecubital aspect of the left or right elbow

• the thumb side of the left wrist

an EKG technician is providing instructions for a patient who is going home with a Holter monitor for 48 hr. which of the following statements indicates the patient understands the instructions?

• I am able to shower or bathe

• I can use moisturizing lotion around the electrodes

• I should activate the event marker if I have chest pains

• I should only record activities that cause chest pains

when an EKG technician is obtaining a pulse from a patient, which of the following terms should be the technician use to document the rhythm of the pulse?

• weak

• strong

• bounding

• irregular

which of the following intervals should be used to determine the regularity of ventricular depolarization?

• P-P wave interval

• R-R wave interval

• QT interval

• PR interval

an EKG technician should recognize that which of the following is the most commonly used paper speed for an EKG?

• 5 mm/second

• 10 mm/second

• 25 mm/second

• 50 mm/second

an EKG technician is performing an exercise stress test for a patient. for which of the following findings should be the technician expect the provider to stop the test?

• electrode detachment

• dizzines

• sweating

• increased respiratory rate

an EKG technician is preparing to enter an impatient room to perform a standard 12-lead EKG. which of the following actions should be the technician take for a patient who is prescribed contact precautions?

• wear an N-95 mask if there is a potential exposure to blood

• disinfect the EKG machine immediately prior to entering the room

• remove gloves before leaving the patients room

• keep the door to the patients room closed

an EKG technician is instructing a patient about a transelephonic event monitor using a Heart Card monitoring device. to which of the following sites should the patient apply the card to activate it during an event?

• over the right side of the chest

• over the left side of the chest

• over the middle to lower part of the sternum

• over the manubrium

an EKG technician is reviewing the EKG tracing of a patient who has ventricular hypertrophy. which of the following findings should the technician expect?

• an ST segment depression of 2 mm

• increased amplitude of the QRS complex

• prolongation of the PR interval

• irregularity of the P-P interval