Measurement, Errors, Data and Unit Conversion
How many milligrams are there in 1 μg?
0.001
1000
0.1
1000 000
0.001
1 mg = 103 × 1 μg, so one thousandth of a milligram is the same as one microgram.
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Given that 1 mmHg = 0.133 kPa, how can a systolic BP measurement of 120 mmHg be converted to a measurement in kPa?A. Divide 120 by 0.133
B. Multiply 120 by 0.133
C. Divide 0.133 by 120
D. Add 0.133–120
How many micrograms are there in 0.25 g?
A. 250
B. 25,000
C. 250,000
D. 25,000,000
What is meant when a person’s mass is stated as 73.6 kg? That:
A. The mass is closer to 73.6 than it is to 73.7 or 73.5.
B. The mass is closer to 73.6 than to any other value.
C. The mass is between 73.5 and 73.7.
D. The mass is 73.6 ±0.1 kg.
How many micrograms are there in 1 mg?
A. 0.001
B. 0.1
C. 100
D. 1000
What is the result of converting 650 μg to mg?
A. 0.650
B. 6.50
C. 65
D. 65,000
What is 1.25 g converted to micrograms?
A. 125
B. 1250
C. 12,500
D. 1,250,000
A clinical thermometer is used to measure someone’s body temperature to be 101oF (Fahrenheit). When this temperature is converted to degrees Celsius using the conversion formula, T(°C) = (T(°F) – 32) × 5/9, what is the correct value?
A. −6.5
B. 38.3
C. 82
D. 124
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