What is the function of vitamin A acid (tretinoin [Retin-A]) in the treatment of acne vulgaris? (Select all that apply.)
a. It kills bacteria in follicles.
b. It loosens pore plugs.
c. It stabilizes hormone levels.
d. It decreases scarring.
e. It prevents occurrence of comedomes.
f. It stimulates the immune system.
ANS: B, E
Vitamin A acid (Retin-A, tretinoin) loosens pore plugs and prevents occurrence of new comedones. Antibiotics kill bacteria; estrogen therapy stabilizes hormone levels; and dermabrasion can treat scarring.
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Which of the following is a correct use of abbreviations and symbols with client documentation?
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Which of the following is a correct step in removing and cleaning a hearing aid?
a. Clean only the external surfaces, not the canal portion. b. Clean the top part of the canal portion of the device. c. Insert a wax loop or toothpick into the hearing aid itself. d. Remove the battery before taking the hearing aid from the ear.
A patient with a current history of drug abuse is admitted to the unit. The next morning the patient begins to display abstinence syndrome. The nurse anticipates signs and symptoms consistent with which of the following conditions?
a. Toxicity b. Psychologic dependence c. Physical dependence d. Drug tolerance