Final answer:
The best approach regarding supplemental oxygen for a patient with sickle cell anemia experiencing chest pain and shortness of breath, but with a pulse oximetry reading of 100%, is to do nothing; no supplemental oxygen is necessary.
Step-by-step explanation:
The best approach regarding supplemental oxygen for a patient with sickle cell anemia experiencing chest pain and shortness of breath, but with a pulse oximetry reading of 100%, is A. do nothing; no supplemental oxygen is necessary.
Although the patient is showing symptoms of respiratory distress, the oxygen saturation level is normal, indicating that the oxygen supply to the tissues is adequate without supplemental oxygen.