24. 40 units
= 20 units
1 ml
X ml
40 X = 20
X = 0.5 ml
(paras 2-2, 2-3, 2-18d)
25. 10,000 units = 2000 units
1 ml
X ml
10,000 X = 2000
X = 0.2 ml (paras 2-2, 2-3, 2-18c)
26. 250 mg = 350 mg
1.5 ml
X ml
250 X = 525
X = 2.1 ml
(paras 2-2, 2-3, 2-18b)
27. (a)
333 mg = 0.25 gm
1 ml
X ml
(b)
1 gm
= 0.25 gm
1000 mg
X mg
X = 250 mg
(c)
333 mg = 250 mg
1 ml
X ml
333 X = 250
X = 0.8 ml
(paras 2-2, 2-3, 2-10, 2-18b)
28. (a)
1 gm = 750 mg
2.5 ml
X ml
(b)
1 gm
= X gm
1000 mg
750 mg
1000 X = 750
X = .75 gm
MD0904
2-48