In which sleep stage(s) would sleep spindles appear?

When examining a patient's foot, you should assess the interdigital spaces for signs of tinea pedis and educate the patient regarding appropriate foot care to prevent:

A. trench foot. B. fungal infections. C. candidiasis. D. xerosis.

Hydrocolloid dressings are:

A. associated with hypogranulation. B. nonadhesive. C. permeable to stool and urine. D. impermeable to water and bacteria.