B and D would be the answers i think
<span>Nurse should immediately refer to the doctor if there is any side effects occured to the person due to the use of corticosteroid.Because corticosteroid carry a risk of side effects even though it is good for relief for inflammed areas.</span>
The phosphate group binds to the deoxyribose (sugar) of the next group.
Brainlest answer is always appreciated ( ͡ ͜ʖ ͡ )