NHI Cheat Sheet 2026

The 30 highest-yield NHI facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. First-degree AV block is defined on an ECG by: → A consistently prolonged PR interval greater than 0.20 seconds
2. Which of the following is a primary administrative duty during the patient check-in process to ensure accurate billing and proper patient identification? → Making a photocopy or digital scan of the patient's photo ID and insurance card
3. In ventricular fibrillation (VF), the ECG shows: → Chaotic, disorganized electrical activity with no recognizable waves
4. The QRS complex on an ECG represents which cardiac event? → Ventricular depolarization
5. What is the medical term for the condition of having low blood sugar? → Hypoglycemia
6. Which is the correct placement for the V1 precordial lead? → 4th intercostal space, right sternal border
7. Which assessment method provides the MOST reliable data for NHI professionals making critical decisions? → Standardized tools combined with professional observation
8. When using a terminal digit filing system for medical records, how are the digits in the patient's record number read to determine the correct filing order? → From right to left, typically in pairs or groups of digits
9. What is the significance of an 'insurance verification' in a medical office? → It confirms the patient’s insurance eligibility and coverage
10. What is a key responsibility of a medical assistant in assisting with injections? → Assisting the physician and preparing the patient
11. The QT interval on an ECG represents: → Total ventricular electrical activity including both depolarization and repolarization
12. What is the normal range for heart rate in sinus rhythm? → 60–100 bpm
13. Atrial fibrillation on an ECG is characterized by: → Absent P waves and an irregularly irregular ventricular rhythm
14. What should be done if a patient is uncomfortable during a procedure? → Take a break and attempt to reassure the patient
15. What is the function of a medical billing department? → To bill insurance companies and manage payment claims
16. Which of the following practices is a key component of 'medical asepsis' (clean technique)? → Performing thorough hand hygiene between patient encounters.
17. While assisting a patient into a supine position, which action is most important for the healthcare professional to ensure patient safety and comfort? → Centering the patient on the bed with their body in proper alignment.
18. In professional documentation for NHI, what is the best practice for organizing information? → Logical structure with clear headings and progression
19. In the NHI field, what does the duty of competence require? → Maintaining current knowledge and skills within one's scope
20. What is the appropriate way to handle patient privacy in a medical office? → Keeping all patient information confidential
21. When assessment results for a National Healthcareer Institute Certification evaluation are inconclusive, the BEST practice is to: → Conduct additional assessment using alternative methods
22. Somatic tremor artifact on an ECG is most commonly caused by: → Involuntary patient movement or muscle activity
23. When assessment results for a National Healthcareer Institute Certification evaluation are inconclusive, the BEST practice is to: → Conduct additional assessment using alternative methods
24. How many electrodes are placed on a patient for a standard 12-lead ECG? → 10
25. What is the primary objective of healthcare compliance programs? → To ensure adherence to legal and regulatory standards
26. What is the key to effective cross-functional communication in NHI environments? → Adapting language and context for different audiences
27. A healthcare professional is reviewing an x-ray report that mentions a fracture of the femur. This injury affects which part of the patient's body? → Thigh
28. What does the prefix 'hypo-' mean in medical terminology? → Below normal
29. A medical office schedules three patients at the beginning of each hour, who are then seen in the order they arrive. Which scheduling method is being used? → Wave scheduling
30. What is the purpose of the Centers for Medicare & Medicaid Services (CMS)? → To oversee Medicare and Medicaid programs