Problem: A charge nurse is teaching a newly licensed nurse how to recognize manifestations of decreased oxygenation in a client. Which of the following statements by the newly nurse indicates an understanding of the teaching? a. a client using thoracic breathing is experiencing a lack of oxygen b. a pulse oximeter reading of 95% indicated respiratory distress c. clubbing of the fingers indicates a chronic state of impaired perfusion d. a pinkish hue on the cheeks of a client with light skin tone indicates they are struggling to breath