Carol, age 68, was brought to the emergency department by her husband when she was having difficulty breathing. She had also developed a cough and fever, and her husband noticed that her symptoms seemed to occur suddenly. Based on the information available, you assess Carol for pneumonia. Which of the following assessment results would indicate Carol may have pneumonia? Select all that apply.

- Hyperresonance of some lung fields with percussion
- Crackles
- Whispered sounds clear and distinct over some lung fields
- Increased tactile fremitus
- Lack of accessory muscle involvement in breathing