Answer to Question 1
B
Feedback:
The nurse should change central line dressings every 24 hours, if using gauze, and every 72 hours, if using a transparent dressing (e.g., Tegaderm). The nurse should also monitor for signs and symptoms of infection at the site: redness, pain, elevated white blood cell count, and temperature. The nurse should use Luer-Lok or click-lock connectors, or tape connections securely.
Answer to Question 2
A
Feedback:
Humulin N is an intermediate-acting insulin; Humulin R is a regular, short-acting insulin; and ultralente and glargine (Lantus) are long-acting insulins.