Barbara Cannin, an 18-year-old female, came to see her physician, Dr. Cordoba. She had something in her eye, and it was irritating her. Nothing she did could get it out. Dr. Cordoba took a problem-focused history and examined the area. He then applied a topical anesthetic and removed the foreign body from the superficial conjunctiva of her eye. Code the removal of the foreign body only.

Aresearcher lyses a cell that contains nucleic acid molecules and capsomeres of tobacco mosaic virus (tmv). the cell contents are left in a covered test tube overnight. the next day this mixture is sprayed on tobacco plants. we expect that the plants would ) develop some but not all of the symptoms of the tmv infectionb) develop the typical symptoms of tmv infectionc) not show any disease symptomsd) become infected, but the sap from these plants would be unable to infect other plants