What is the normal oral temperature of an adult?

Appeared in: AIIMS Bhopal NO - 2018 (Shift-1st)

Explanation

The average normal oral temperature for a healthy adult is considered to be 98.6°F (37°C).
This value serves as a standard baseline for assessing a patient's health status.
Body temperature naturally fluctuates throughout the day, typically being lowest in the early morning and highest in the late afternoon.
A normal oral temperature range is generally considered to be between 97.7°F and 99.5°F (36.5°C to 37.5°C).

Option A: A temperature of 91.5°F is significantly below the normal range and indicates moderate to severe hypothermia, a medical emergency.
Option B: A temperature of 90.6°F is well below the normal range and is a sign of severe hypothermia.
Option D: A temperature of 90.0°F indicates severe, life-threatening hypothermia. At this temperature, vital bodily functions begin to shut down.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Normal Body Temperature in Adults as background academic context rather than a clinical decision trigger.
Accurate temperature measurement is a critical nursing assessment for detecting fever (pyrexia) or hypothermia.
Fever can be a sign of infection, inflammation, or other disease processes, prompting further investigation and treatment.
Hypothermia is a medical emergency requiring immediate rewarming interventions to prevent cardiac arrest and death.

How to Approach the Question

Identify the core question: The question asks for the 'normal oral temperature' in an adult.
This is a factual recall question. Access your knowledge of standard vital sign parameters.
Evaluate the options provided. Note that three options are very low (around 90-91°F) and one is in the high 90s.
Recall that temperatures in the low 90s are indicative of hypothermia, not normal body temperature.
Select the option that represents the well-established average normal body temperature, which is 98.6°F.

Concept Tested & Keywords

QBbZAMt6Mk8DoGt50SYiQS

E6 Nursing Fundamentals Taylor p. 118-120

E6 Physiology Ganong 27e Vol 1 Part 2 p. 96-98

E6 Medicine Harrison 22e Part 1 p. 175-177

Practise the full AIIMS Bhopal NO - 2018 (Shift-1st)

Attempt every question from this paper in a timed mock, then review the full solution for each one.