Answer to Question 1
ANS: 3
Although all the options are related to causes of skin injury in older adults, the hypodermis de-creases in size with age, and so the older client has little subcutaneous padding over bony promi-nences; thus they are more prone to skin breakdown.
Answer to Question 2
ANS: 3
Although it is a sensory organ for pain, temperature, and touch and synthesizes vitamin D, its primary role is that of a protective barrier against disease-causing organisms.