IGNOU PB. Bsc. Nsg. Entrance-2025
Nursing Foundation
Medium
The nurse measures a patient's temperature as $102^{\circ}\mathrm{F}$ is equivalent in Celsius scale to:
Appeared in: IGNOU PB. Bsc. Nsg. Entrance-2025
Explanation
- The conversion from Fahrenheit (°F) to Celsius (°C) uses the formula: °C = (°F - 32) × 5/9.
- Applying the formula to the given temperature: (102 - 32) × 5/9 = 70 × 5/9 = 38.89 °C.
- When rounded to one decimal place, 38.89 °C becomes 38.9 °C, which is the correct equivalent.
Why Other Options Were Wrong
- Option B: This value is incorrect. Using the reverse formula (°F = °C × 9/5 + 32), 39.7 °C is approximately 103.5 °F, which is higher than the given temperature.
- Option C: This value is incorrect. 40.1 °C is approximately 104.2 °F, a significantly higher fever than the one measured.
- Option D: This value is dangerously high and incorrect. 47 °C is equivalent to 116.6 °F, a temperature that is not compatible with human life.
Related Visual
Clinical Relevance
- Nursing practice connection: Knowing Temperature conversion from Fahrenheit to Celsius helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
- Accurate temperature conversion is a fundamental nursing skill for assessment, documentation, and communication within the healthcare team.
- A temperature of 102°F (38.9°C) signifies a moderate fever (pyrexia), indicating an inflammatory or infectious process that requires monitoring and potential intervention.
- Nursing interventions for fever may include administering antipyretics as ordered, providing hydration, and using cooling measures if the temperature becomes dangerously high (hyperpyrexia).
How to Approach the Question
- Identify the core task: The question asks for a direct conversion between two measurement scales (Fahrenheit to Celsius).
- Recall the correct formula for the conversion: °C = (°F - 32) × 5/9.
- Substitute the given value into the formula: °C = (102 - 32) × 5/9.
- Perform the calculation step-by-step: First, subtract 32 from 102 to get 70. Then, multiply 70 by 5/9 to get 38.89.
- Compare the calculated result with the given options and select the closest one, rounding as necessary.
Concept Tested & Keywords
- Concept Tested: Temperature conversion from Fahrenheit to Celsius.
- Stem keywords: patient's temperature, 102°F, Celsius scale
- Lead-in keywords: equivalent to
- Clinical cues: 102°F temperature (moderate fever)
- Negative lead-in flag: false
Question ID
Qii_9dxkUqDJEbP6y_DHJF
Reference Book
E6 Nursing Fundamentals Taylor p. 118-120
E6 Nursing Fundamentals Potter Perry 12e Part 3 p. 11-13
E6 Medicine Harrison 22e Part 1 p. 175-177
Practise the full IGNOU PB. Bsc. Nsg. Entrance-2025
Attempt every question from this paper in a timed mock, then review the full solution for each one.
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