Clinical thermometers typically measures a range from
**Core Concept**
Clinical thermometers are used to measure body temperature, which is a critical vital sign in medical practice. The normal body temperature range is tightly regulated by the hypothalamus and can be influenced by various factors such as age, sex, and environmental conditions.
**Why the Correct Answer is Right**
The correct answer is **35°C to 38°C**. This range is considered normal for an adult human. The hypothalamus maintains body temperature within this narrow range by regulating heat production and loss through mechanisms such as shivering, sweating, and vasodilation. The normal body temperature range can vary slightly from person to person, but values outside this range may indicate infection, inflammation, or other underlying conditions.
**Why Each Wrong Option is Incorrect**
**Option A:** The lower limit of normal body temperature is typically considered to be around 35°C, but values below 32°C are considered hypothermic. **Option B:** A temperature range of 30°C to 40°C is too broad and does not accurately represent the normal range. **Option C:** A temperature range of 36°C to 37°C is closer to the normal range but still too narrow.
**Clinical Pearl / High-Yield Fact**
It's essential to remember that the normal body temperature range can vary slightly from person to person, and values outside this range may indicate underlying conditions such as infection or inflammation.
**Correct Answer: C. 36°C to 37°C**