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Pyrexia of Unknown Origin (P.U.O) Quiz

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Questions and Answers

What is the normal range for body temperature?

35.5-36.4°C

38.5-39.4°C

36.5-37.4°C (correct)

37.5-38.5°C

According to Petersdorf and Beeson, how is pyrexia of unknown origin (PUO) defined?

Temperature greater than 39.0°C on several occasions, accompanied by more than 4 weeks of illness, and failure to reach a diagnosis after 2 weeks of in-patient investigation.

Temperature greater than 38.3°C on several occasions, accompanied by more than 3 weeks of illness, and failure to reach a diagnosis after 1 week of in-patient investigation. (correct)

Temperature greater than 38.0°C on several occasions, accompanied by more than 3 weeks of illness, and failure to reach a diagnosis after 1 week of in-patient investigation.

Temperature greater than 37.5°C on several occasions, accompanied by more than 2 weeks of illness, and failure to reach a diagnosis after 2 weeks of in-patient investigation.

What is the term for an abnormally high body temperature ranging from 37.5 - 38°C?

Hypothermia

Hyperpyrexia

Normothermia

Low grade fever (correct)

What are some physiological causes of fever?

After meals, after vigorous exercise (B) Signup and view all the answers

What is the main marker associated with fever?

Inflammation and severity (B) Signup and view all the answers

What is the term for the elevation of body temperature for more than three weeks (38.3°C or more) with no definite diagnosis made after initial investigations?

Pyrexia of unknown origin (PUO) (B) Signup and view all the answers

According to Petersdorf and Beeson, how is pyrexia of unknown origin (PUO) defined?

Temperature greater than 38.3°C on several occasions, accompanied by more than 3 weeks of illness, and failure to reach a diagnosis after 1 week of in-patient investigation (B) Signup and view all the answers

What are some common causes of fever mentioned in the text?

Infections, Neoplasms, Auto-immune diseases (B) Signup and view all the answers

What is the normal range for body temperature?

36.5-37.4°C (A) Signup and view all the answers

What are some physiological causes of fever mentioned in the text?

After meals, After vigorous exercise (D) Signup and view all the answers

Study Notes

Body Temperature and Fever

The normal range for body temperature is not explicitly stated, but a temperature above 37.5°C is considered abnormal.

Fever Classification

Pyrexia is an abnormally high body temperature, ranging from 37.5°C to 38°C.
Hyperpyrexia refers to an extremely high body temperature, above 41.5°C.

Pyrexia of Unknown Origin (PUO)

According to Petersdorf and Beeson, PUO is defined as an elevation of body temperature above 38.3°C for more than three weeks with no definite diagnosis made after initial investigations.

Physiological Causes of Fever

Some physiological causes of fever include:
- Infections
- Inflammatory reactions
- Tissue damage or necrosis
- Immune-mediated reactions

Markers of Fever

The main marker associated with fever is an elevated white blood cell count (leukocytosis).

Causes of Fever

Some common causes of fever mentioned in the text include:
- Infections
- Inflammatory reactions

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Description

Test your knowledge on Pyrexia of Unknown Origin (P.U.O) with this quiz by Dr. Hasan Sedeek Mahmoud. Explore the definition, causes, and diagnostic workup for PUO cases while learning from a renowned expert in Tropical Medicine and Gastroenterology.