21. Which of the following measurements is a semi-quantitative one?
A. a blood pressure of 120/80 mmHg
B. a blood glucose level of + + +
C. a state of anxiety measure of “calm”
D. the patient’s name is Tim Cruise

22. A baby’s mass measurement is 3.8 kg ± 0.05 kg. What is the absolute error inthe measurement?
A. ± 0.05 ÷ 3.8
B. ± (0.05 ÷ 3.8) × 100 %
C. ± 0.05 kg
D. 0.05 kg

23. 1 ml of water has a mass of 1.00 g. Which of the following sets of 3 measurementsof the mass of 1 ml of water is the most precise set?
A. 0.98 g, 1.00 g, 1.02 g
B. 0.99 g, 0.99 g, 0.99 g
C. 1.00 g, 1.01 g, 1.02 g
D. 0.99 g, 0.99 g, 1.00 g

Answer rating: 100% (QA)

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