Overview / Hemat Questions / Question 18
Question 18
Drug A inhibits the enzymes at both sites 1 and 2, but acts more on site 2 than site 1. Drug B is activated by the enzyme at site 3, and blocks purine synthesis at site 4. Drug C directly inhibits the enzyme at site 5. The drugs A / B / C are: Answer
- Methotrexate / 6-Mercapto purine / Hydroxyurea
- 5-Fluorouracil / 6-Mercaptopurine / Cytarabine
- Pemetrexed / 6-Mercaptopurine / Hydroxyurea
- Methotrexate / Cytarabine / Hydroxyurea
- 5-Fluorouracil / Cytarabine / Gemcitabine
- Pemetrexed / Cytarabine / Hydroxyurea