Sudden fall of temperature is called: : mcq given below:
Sudden fall of temperature is called: :
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🌡️ Sudden Fall of Body Temperature
✅ Answer: (a) Crisis
📖 What is Crisis?
Crisis refers to a sudden and rapid fall in body temperature, usually returning to normal within a few hours.
👉 It commonly occurs during the recovery phase of certain infectious diseases, such as pneumonia, after effective treatment.
🩺 Why is Option (a) Correct?
A sudden drop in fever is known as a crisis.
- ✔ Temperature falls rapidly
- ✔ May occur within a few hours
- ✔ Patient may sweat profusely during recovery
❌ Why Other Options Are Wrong?
(b) Lysis
❌ Lysis means a gradual fall in body temperature over several days—not a sudden fall.
(c) Relapse
❌ Relapse means the return of disease symptoms after apparent recovery.
(d) Quotidian
❌ Quotidian fever is a fever pattern that recurs every day, commonly seen in some infections.
📝 Common Fever Terms
| Term | Meaning |
|---|---|
| Crisis | Sudden fall of body temperature |
| Lysis | Gradual fall of body temperature |
| Relapse | Recurrence of disease after recovery |
| Quotidian Fever | Fever occurring once every day |
⚡ Crisis = Crash → Temperature drops suddenly.
🐢 Lysis = Lazy → Temperature drops slowly.
📌 Exam Tip: One of the most frequently asked nursing questions is the difference between crisis (rapid fall in temperature) and lysis (gradual fall in temperature). Remember: Rapid = Crisis, Gradual = Lysis.
Concept clarity • Easy recall • Nursing success