Free NHA CET Practice Questions
Five original questions with explanations
These are original educational questions written to exercise NHA CET-relevant reasoning. They are not recalled examination items and do not imply access to confidential test content.
Question 1
A tracing shows wandering baseline immediately after lead placement. What should be checked first?
- A. Paper color
- B. Electrode contact and patient movement
- C. Patient insurance
- D. Room lighting
Answer and explanation
B. Electrode contact and patient movement Poor adhesion, respiration, and movement commonly cause baseline artifact.
Question 2
Where is lead V1 placed for a standard 12-lead EKG?
- A. Fourth intercostal space at the right sternal border
- B. Fifth intercostal space at the midclavicular line
- C. Fourth intercostal space at the left midaxillary line
- D. Directly over the sternum
Answer and explanation
A. Fourth intercostal space at the right sternal border V1 is placed in the fourth intercostal space at the right sternal border.
Question 3
A regular rhythm has 20 QRS complexes in a 10-second strip. What is the approximate rate?
- A. 60 bpm
- B. 100 bpm
- C. 120 bpm
- D. 200 bpm
Answer and explanation
C. 120 bpm Multiplying the 10-second count by six gives approximately 120 beats per minute.
Question 4
Which action best reduces electrical interference artifact?
- A. Place limb electrodes over muscle
- B. Move power cords away and ensure secure connections
- C. Ask the patient to talk
- D. Apply dried electrodes
Answer and explanation
B. Move power cords away and ensure secure connections Secure equipment and distance from electrical sources can reduce AC interference.
Question 5
A patient develops chest pain during EKG acquisition. What is the priority?
- A. Finish filing paperwork
- B. Follow the facility’s urgent clinical-response protocol
- C. Repeat the tracing indefinitely
- D. Send the patient home
Answer and explanation
B. Follow the facility’s urgent clinical-response protocol Symptoms suggesting acute cardiac compromise require immediate escalation according to protocol.
How to Review
For every miss, identify the domain, explain the controlling principle, and state why each distractor is less appropriate. Then return to the official outline and your content review.