The clinical thermometer differs from other mercury-in-glass thermometers because it has
I. a constriction
II. a wide range
III. a short range
IV. a narrow bore.
Which of the above are correct?
Correct features of a clinical thermometer (that differ from ordinary mercury-in-glass thermometers):
- I. A constriction — Yes (the kink just above the bulb prevents mercury from falling back on its own after removal from the body).
- III. A short range — Yes (typically 35°C to 42°C or 43°C, suitable only for human body temperature).
Thus, only I and III are correct for what makes the clinical thermometer different.
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