NCLEX Vital Signs Exam Practice Questions and Answers

170 Questions and Answers

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Understanding and interpreting vital signs is a core component of safe and effective nursing care. This NCLEX Vital Signs Exam Practice Questions and Answers resource is expertly developed to help you master the foundational knowledge and clinical reasoning required to assess patient conditions through accurate measurement and evaluation of vital signs.

Covering temperature, pulse, respiration, blood pressure, and oxygen saturation, this practice tool ensures you’re confident in both normal ranges and critical variations across all age groups—from neonates to geriatric patients. It reinforces your understanding of how to detect early warning signs of deterioration, prioritize nursing interventions, and support clinical decision-making in acute and chronic care settings.

In addition to core measurements, the resource explores influencing factors such as medication effects, stress response, infection, fluid volume status, and chronic conditions. You’ll also review correct techniques for taking and documenting vital signs, ensuring compliance with safety protocols and patient confidentiality standards.

This preparation material goes beyond rote memorization by integrating clinical case scenarios that mimic real-life nursing situations. These questions challenge you to apply theoretical knowledge in practical contexts, helping you build the critical thinking skills needed to answer application-level items on the NCLEX.

Essential topics include orthostatic hypotension, febrile responses, abnormal respiratory patterns (e.g., Cheyne-Stokes, Kussmaul breathing), pulse deficit assessment, and interpreting changes in SpO₂ readings. Additional emphasis is placed on patient safety, infection control, communication during assessment, and accurate documentation in the medical record.

Whether you’re a nursing student preparing for the NCLEX or a working nurse reviewing essential competencies, these NCLEX Vital Signs Exam Practice Questions and Answers provide a reliable and thorough foundation in one of the most frequently tested areas of the exam. Strengthen your assessment skills, improve test performance, and enhance your ability to deliver high-quality care.

Sample Questions and Answers

What is the normal range for adult blood pressure?

a) 90/60 mmHg – 120/80 mmHg
b) 100/70 mmHg – 140/90 mmHg
c) 120/80 mmHg – 160/100 mmHg
d) 140/90 mmHg – 180/110 mmHg

Answer: a) 90/60 mmHg – 120/80 mmHg

A temperature of 38.3°C (101°F) is considered:

a) Hypothermia
b) Hyperthermia
c) Normal body temperature
d) Mild fever

Answer: b) Hyperthermia

Which of the following is the best method to measure a patient’s core body temperature?

a) Oral thermometer
b) Axillary thermometer
c) Rectal thermometer
d) Temporal artery thermometer

Answer: c) Rectal thermometer

What is considered a normal adult respiratory rate?

a) 10-15 breaths per minute
b) 12-20 breaths per minute
c) 15-30 breaths per minute
d) 20-25 breaths per minute

Answer: b) 12-20 breaths per minute

Which of the following is a normal pulse rate for an adult?

a) 40-60 beats per minute
b) 60-100 beats per minute
c) 50-80 beats per minute
d) 80-120 beats per minute

Answer: b) 60-100 beats per minute

What is the most accurate method for measuring body temperature in infants?

a) Oral
b) Axillary
c) Rectal
d) Temporal artery

Answer: c) Rectal

A nurse is measuring a patient’s blood pressure. What is the first sound heard when the cuff is deflated?

a) Diastolic pressure
b) Systolic pressure
c) Korotkoff sound
d) Pulse pressure

Answer: b) Systolic pressure

What is the normal range for an adult heart rate?

a) 50-60 beats per minute
b) 60-100 beats per minute
c) 70-80 beats per minute
d) 80-120 beats per minute

Answer: b) 60-100 beats per minute

When checking a patient’s pulse, the nurse notices it is irregular. What should the nurse do next?

a) Count the pulse for 15 seconds and multiply by 4
b) Count the pulse for 30 seconds and multiply by 2
c) Check for other vital signs
d) Count the pulse for a full minute

Answer: d) Count the pulse for a full minute

What is the first action the nurse should take if a patient’s oxygen saturation drops below 90%?

a) Administer oxygen as ordered
b) Notify the healthcare provider
c) Recheck the oxygen saturation
d) Check the patient’s respiratory rate

Answer: a) Administer oxygen as ordered

Which factor can cause an increase in respiratory rate?

a) Fever
b) Hypotension
c) Dehydration
d) Bradycardia

Answer: a) Fever

What is a common cause of low blood pressure (hypotension)?

a) Blood loss
b) Pain
c) Fever
d) Anxiety

Answer: a) Blood loss

What is the normal adult axillary temperature range?

a) 36.1°C – 37.2°C
b) 37.2°C – 38.0°C
c) 36.5°C – 37.5°C
d) 37.5°C – 38.5°C

Answer: c) 36.5°C – 37.5°C

A nurse is assessing a patient’s pulse. Which of the following should the nurse assess in addition to rate?

a) Rhythm
b) Respiratory rate
c) Temperature
d) Blood pressure

Answer: a) Rhythm

What is the most accurate site to measure the temperature in a febrile child?

a) Oral
b) Rectal
c) Temporal artery
d) Axillary

Answer: b) Rectal

A patient’s pulse is 120 beats per minute. This would be classified as:

a) Bradycardia
b) Normal
c) Tachycardia
d) Arrhythmia

Answer: c) Tachycardia

What is the normal range for adult oxygen saturation (SpO2)?

a) 85% – 90%
b) 92% – 100%
c) 75% – 85%
d) 90% – 94%

Answer: b) 92% – 100%

What does a change in the quality of a pulse indicate?

a) The patient is under stress
b) A potential circulatory issue
c) Dehydration
d) Fever

Answer: b) A potential circulatory issue

What is the normal range for an adult temperature taken orally?

a) 35.5°C – 37.5°C
b) 36.5°C – 38.0°C
c) 37.0°C – 38.5°C
d) 36.0°C – 37.0°C

Answer: a) 35.5°C – 37.5°C

Which of the following can cause an elevated heart rate?

a) Rest
b) Hypothermia
c) Anxiety
d) Sleeping

Answer: c) Anxiety

A nurse measures a patient’s blood pressure as 150/90 mmHg. This would be classified as:

a) Normal
b) Elevated
c) Hypertension Stage 1
d) Hypertension Stage 2

Answer: c) Hypertension Stage 1

When assessing a patient’s pulse, the nurse finds it weak and thready. What could this indicate?

a) Decreased blood volume
b) Fever
c) Normal response
d) Increased blood pressure

Answer: a) Decreased blood volume

A temperature of 39.4°C (103°F) would indicate:

a) Hypothermia
b) Normal body temperature
c) Low-grade fever
d) High-grade fever

Answer: d) High-grade fever

What should the nurse do if a patient has a sudden drop in blood pressure upon standing?

a) Increase fluid intake
b) Help the patient lie down
c) Administer medication
d) Check the patient’s heart rate

Answer: b) Help the patient lie down

The nurse notes a patient’s respiratory rate is 30 breaths per minute. This would be classified as:

a) Bradypnea
b) Normal
c) Tachypnea
d) Apnea

Answer: c) Tachypnea

What is the most accurate method of assessing oxygen saturation?

a) Pulse oximeter
b) Arterial blood gas (ABG)
c) Capnography
d) SpO2 meter

Answer: b) Arterial blood gas (ABG)

A patient has a systolic blood pressure of 180 mmHg. This is indicative of:

a) Hypotension
b) Prehypertension
c) Stage 1 Hypertension
d) Stage 2 Hypertension

Answer: d) Stage 2 Hypertension

The nurse is assessing a patient’s pulse rate. Which of the following is most important?

a) Duration of the pulse
b) Strength of the pulse
c) Rate and rhythm of the pulse
d) The location of the pulse

Answer: c) Rate and rhythm of the pulse

What is the term for the difference between the systolic and diastolic pressures?

a) Pulse rate
b) Pulse pressure
c) Blood pressure gradient
d) Circulatory volume

Answer: b) Pulse pressure

A patient has a fever of 38.9°C (102°F). What is the appropriate nursing action?

a) Apply ice packs to the patient
b) Administer antipyretic medication as prescribed
c) Monitor the temperature only
d) Restrict fluid intake

Answer: b) Administer antipyretic medication as prescribed

 

Which of the following vital signs is most commonly used to assess circulatory function?

a) Blood pressure
b) Heart rate
c) Temperature
d) Respiratory rate

Answer: a) Blood pressure

Which of the following would most likely cause an increase in blood pressure?

a) Dehydration
b) Medication adherence
c) Physical activity
d) Relaxation

Answer: c) Physical activity

A patient’s temperature is 35.0°C (95°F). This is indicative of:

a) Normal temperature
b) Hypothermia
c) Fever
d) Hyperthermia

Answer: b) Hypothermia

A nurse is taking a patient’s blood pressure. What should be the nurse’s action if the patient is sitting in a chair with their legs crossed?

a) Proceed with the measurement as usual
b) Ask the patient to stand
c) Have the patient uncross their legs
d) Measure the blood pressure while standing

Answer: c) Have the patient uncross their legs

What is the first action the nurse should take if a patient’s temperature reaches 40°C (104°F)?

a) Apply ice packs to the patient
b) Administer an antipyretic
c) Notify the healthcare provider
d) Increase fluid intake

Answer: b) Administer an antipyretic

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