Tyrone's a nurse at the hospital. One of his patients has lung cancer, while the other patient has AIDS. Which of the following procedures should Tyrone practice?
a. Tyrone should wear gloves when caring for the patient with lung cancer, but not for the patient with aids
b. Tyrone doesn't have to wear gloves when caring for the patient with lung cancer, but should with the patient with aids
c. both the patient with lung cancer and the patient with aids
d. neither the patient with lung cancer nor the patient with aids