2.1 Basic Nursing Skills and Vital Signs

Why Vital Signs Carry So Much Weight

The 2024 NNAAP (National Nurse Aide Assessment Program) written content outline, effective April 2024 and used in Maryland through Credentia, places Basic Nursing Skills at 35% of the exam, which is 21 of the 60 scored items. The full written test is 70 multiple-choice items: 10 are unscored pretest questions, and you must answer 80% of the scored items correctly to pass. Basic Nursing Skills bundles four sub-areas: infection control, safety/prevention/emergency, technical procedures, and data collection and reporting.

For this section, think less about memorizing isolated numbers and more about producing trustworthy observations a nurse can act on.

The Maryland Board of Nursing defines the CNA as working under licensed-nurse supervision, collecting routine health data, recording care, and reporting changes. The CNA never diagnoses. You may measure a vital sign, a measurable indicator of body function, but you do not decide that the resident has a fever, is in shock, or is dehydrated. You measure carefully, compare to the expected range or the resident's baseline, document the fact, and tell the nurse when a value or behavior changes.

Measurement Skills To Know Cold

A Reliable Vital-Sign Process

1. Prepare resident and equipment. Identify the resident using two identifiers, explain the task, provide privacy, clean the equipment, and position the resident so the reading is valid. A resident who just walked, smoked, or drank a hot beverage should rest before pulse or temperature is taken.
2. Measure without rushing. Use the correct site and device, and a full 60-second count for pulse and respirations. A blood-pressure cuff that is too small reads falsely high; a cuff too large reads falsely low.
3. Record before memory fades. Write the actual number, not an estimate, and add the time and your initials per facility policy. Never chart a value you did not personally measure.
4. Report what matters. Notify the nurse about abnormal values, significant change, pain, dizziness, shortness of breath, confusion, or anything that does not match the resident's usual status.

Worked Example and Common Traps

Scenario: Mr. Diaz's chart lists a usual pulse of 88. Today you count a regular radial pulse of 54 for a full minute, and he says he feels weak. The correct CNA action is to record 54, keep him safe and seated, and report the change to the nurse immediately. You do not give coffee, withhold his medication, or decide his heart is failing. The drop of 34 beats from baseline plus the new symptom is the reportable finding; interpretation belongs to the nurse.

The most common written-test trap is handing the CNA a clinical conclusion. If a stem says blood pressure is low and the resident is dizzy, the wrong choices are giving fluids, adjusting medication, or labeling the resident dehydrated. The defensible answer keeps the resident safe, documents the measured value, and reports to the nurse.

A second trap is speed. Counting a regular pulse for 15 seconds and multiplying by four is acceptable in some classrooms, but the Credentia skills checklist requires a full-minute count, and an irregular rhythm or uneven breathing demands a full minute every time. On the written exam, a full-minute count is always the safest answer when rhythm is described as irregular.

Baseline Beats the Textbook Range

Use adult reference ranges as study anchors, but never ignore the individual baseline:

• Temperature: oral 97.6-99.6 F; a single reading of 100.4 F (38 C) or higher is the classic fever threshold to report.
• Pulse: 60-100 beats per minute; report new bradycardia (under 60) or tachycardia (over 100).
• Respirations: 12-20 per minute; report under 12 or over 20, or any labored, gasping, or noisy pattern.
• Blood pressure: below about 120/80 is desirable; report readings at or above 140/90 or below 90/60, especially with symptoms.
• Oxygen saturation (SpO2): when measured, 95-100% is typical; report readings under 90% to the nurse.

A resident whose ordinary pulse is 58 is managed differently from one who suddenly falls from 92 to 58 with weakness. The strongest CNA answer almost always combines accurate measurement, resident safety, factual documentation, and timely reporting.

Finish Like a Caregiver, Not a Technician

Every measurement skill ends with the same safety habits the skills exam scores: the resident is comfortable and properly positioned, the bed is low and locked, personal items and the call signal are within reach, and privacy is restored. These are not test manners. A resident left without a call signal after a vital-sign round is a fall and an unreported-change risk, which is exactly what the domain is designed to prevent.