抗微生物製劑感受性試驗所配製的細菌濁度0.5 McFarland standard，其濃度為何？
1.5 × \mathrm{10}^{7} CFU/mL
\mathrm{10}^{7}
1.5 × \mathrm{10}^{8} CFU/mL
\mathrm{10}^{8}
1.5 × \mathrm{10}^{9} CFU/mL
\mathrm{10}^{9}
1.5 × \mathrm{10}^{10} CFU/mL
\mathrm{10}^{10}
