The most common cause of cellular injury is oxygen deficiency, or:

A 70-year-old male complains of shortness of breath. During your assessment, you note that he has bilateral hearing aids. When you ask him questions related to his chief complaint, he does not answer you. You can hear a whistling sound coming from his hearing aids. You should:

A. recognize that the batteries in his hearing aids are probably depleted. B. remove his hearing aids, turn up the volume, and replace them in his ears. C. try repositioning the hearing aid or remove it and turn down the volume. D. remove both of his hearing aids and use pencil and paper to communicate.

The cat's tongue has several functions and is lined with knobs called ____________________

Fill in the blank(s) with correct word