Answer to Question 1
2. Down syndrome
3. Exposure to gasoline
5. Cancer therapy
Rationale:
A higher incidence of leukemia is associated with Down syndrome, exposure to gasoline, and treatment for cancer. High-fat diets are not a risk factor for leukemia. A lack of exercise is not a risk factor for leukemia.
Answer to Question 2
B
The cannula should not be taped to the patient's face. The nasal prongs should not be lubricated before inserting them into the patient's nares. The nurse should position the prongs into the nares with the curves pointing toward the floor of the nostrils for comfort and ideal oxygen delivery.