NHA CET MAIN EXAMS SCRIPT 2025/2026 QUESTIONS
AND SOLUTIONS GRADED A+ TIP
✔✔movement away from the isoelectric line - ✔✔waveform
✔✔line between two waveforms - ✔✔segment
✔✔waveform plus a segment - ✔✔interval
✔✔atrial depolarization - ✔✔p wave
✔✔ventricular depolarization - ✔✔QRS complex
✔✔QRS interval - ✔✔.08-.10
✔✔T wave - ✔✔ventricular repolarization
✔✔U wave - ✔✔hypokalemia
✔✔hypokalemia - ✔✔low potassium
✔✔hyperkalemia - ✔✔high potassium
✔✔PR interval - ✔✔.12-.20
✔✔Line from the end of the p wave to the onset of the QRS complex - ✔✔PR segment
✔✔From J point to the onset of the T Wave - ✔✔ST segment
✔✔Bruce Protocol - ✔✔every 3 minutes
✔✔no showers, 24/48 hours - ✔✔holter monitor
✔✔about 1 month - ✔✔event monitoring
✔✔done in the hospital, monitored in another room - ✔✔telemetry
✔✔where to take blood pressure - ✔✔at brachial artery 1 cm
✔✔negative to postive deflection - ✔✔V1-V6
✔✔vertical axis on ekg measures - ✔✔voltage/amplitude
, ✔✔standardization marks should measure - ✔✔10mm, 2 large boxes
✔✔gain is set at - ✔✔10mm
✔✔apex is pointed to the right instead of the left - ✔✔dextrocardia
✔✔which electrode is moved for pediatrics - ✔✔V3
✔✔standard telemetry requires how many electrodes - ✔✔5
✔✔patient gets chest pain, becomes dizzy, cannot breath, becomes cold and clammy
or has blood pressure abnormalities during a stress test - ✔✔stop the stress test
✔✔how to achieve max HR and target HR - ✔✔220 - patients age
✔✔for pediatrics and infants paper speed should be at - ✔✔25mm/sec
✔✔.04 seconds is how many miliseconds - ✔✔.40
✔✔.10 seconds is how many milliseconds - ✔✔100
✔✔placed on anterior thoracic cavity - ✔✔telemetry pack
✔✔adult respiratory rate - ✔✔12-20
✔✔infants HR - ✔✔100-160
✔✔black lead for Holter monitoring - ✔✔v4/v5 on the rib
✔✔where are v1 and v2 moved for breast implants - ✔✔2nd ICS
✔✔patient tremor or shaking of the wires is what - ✔✔somatic tremor
✔✔sweat/lotion on patients or tension of electrodes is what - ✔✔wandering baseline
✔✔electrical interference causing rapid atrial rate - ✔✔60 cycle interference
✔✔loose electrodes or broken wires is what - ✔✔broken recordings
✔✔ambulatory ekg monitor - ✔✔holter monitor
✔✔are ambulatory monitors are used in or out of hospitals? - ✔✔both
AND SOLUTIONS GRADED A+ TIP
✔✔movement away from the isoelectric line - ✔✔waveform
✔✔line between two waveforms - ✔✔segment
✔✔waveform plus a segment - ✔✔interval
✔✔atrial depolarization - ✔✔p wave
✔✔ventricular depolarization - ✔✔QRS complex
✔✔QRS interval - ✔✔.08-.10
✔✔T wave - ✔✔ventricular repolarization
✔✔U wave - ✔✔hypokalemia
✔✔hypokalemia - ✔✔low potassium
✔✔hyperkalemia - ✔✔high potassium
✔✔PR interval - ✔✔.12-.20
✔✔Line from the end of the p wave to the onset of the QRS complex - ✔✔PR segment
✔✔From J point to the onset of the T Wave - ✔✔ST segment
✔✔Bruce Protocol - ✔✔every 3 minutes
✔✔no showers, 24/48 hours - ✔✔holter monitor
✔✔about 1 month - ✔✔event monitoring
✔✔done in the hospital, monitored in another room - ✔✔telemetry
✔✔where to take blood pressure - ✔✔at brachial artery 1 cm
✔✔negative to postive deflection - ✔✔V1-V6
✔✔vertical axis on ekg measures - ✔✔voltage/amplitude
, ✔✔standardization marks should measure - ✔✔10mm, 2 large boxes
✔✔gain is set at - ✔✔10mm
✔✔apex is pointed to the right instead of the left - ✔✔dextrocardia
✔✔which electrode is moved for pediatrics - ✔✔V3
✔✔standard telemetry requires how many electrodes - ✔✔5
✔✔patient gets chest pain, becomes dizzy, cannot breath, becomes cold and clammy
or has blood pressure abnormalities during a stress test - ✔✔stop the stress test
✔✔how to achieve max HR and target HR - ✔✔220 - patients age
✔✔for pediatrics and infants paper speed should be at - ✔✔25mm/sec
✔✔.04 seconds is how many miliseconds - ✔✔.40
✔✔.10 seconds is how many milliseconds - ✔✔100
✔✔placed on anterior thoracic cavity - ✔✔telemetry pack
✔✔adult respiratory rate - ✔✔12-20
✔✔infants HR - ✔✔100-160
✔✔black lead for Holter monitoring - ✔✔v4/v5 on the rib
✔✔where are v1 and v2 moved for breast implants - ✔✔2nd ICS
✔✔patient tremor or shaking of the wires is what - ✔✔somatic tremor
✔✔sweat/lotion on patients or tension of electrodes is what - ✔✔wandering baseline
✔✔electrical interference causing rapid atrial rate - ✔✔60 cycle interference
✔✔loose electrodes or broken wires is what - ✔✔broken recordings
✔✔ambulatory ekg monitor - ✔✔holter monitor
✔✔are ambulatory monitors are used in or out of hospitals? - ✔✔both
