Which of the following reagents is used to determine the concentration of serum inorganic phosphate?

The Bird® Mark 7AA regulates gas pressure using:

I. single-stage reducing valves II. magnetic attraction and gas pressure across a diaphragm III. needle valves IV. differential pressure transducers A) I and II B) II and III C) I, II, and III D) I, II, III, and IV

Which of the following statements about mice and rats is true?

A) Mice are primarily nocturnal. B) Rats have poor swimming skills. C) Mice have superior detailed vision. D) Rats have 24 teeth.