What occurs in an allergic reaction when histamine binds to receptors on local sensory nerve endings?
A. Sodium channels are activated, causing pain and swelling.
B. Vasoconstriction in the local area causes erythema.
C. Vasoconstriction in the local area causes histaminic cephalgia.
D. Itch-specific fibers are stimulated, causing itching and pain.
Answer: D
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The nurse explains that with the exposure to an antigen, the initiator of the inflammatory response is the presence of histamine, which is released by the:
1. neutrophils. 2. eosinophils. 3. basophils. 4. monocytes.
A client with presbyopia asks her nurse about corrective lenses. Which is the nurse's best response?
a. "This type of problem cannot be helped with corrective lenses." b. "Corrective lenses are needed for both near and distance vision." c. "Corrective lenses can be used for reading and close work." d. "Corrective lenses are needed for distance only."
A psychiatric aide asks, "Can you give me some examples of how we provide structure for patients?" The nurse should offer which suggestions? Select all that apply
a. Set limits on destructive behavior. b. Direct a patient to go to a quiet place. c. Sit with a withdrawn, isolated patient. d. Distract a patient who is hallucinating. e. Help a patient contemplate needed change.
The patient has quit smoking and has been smoke free for the past 2 years. Of the following stages, which best fits her current stage of change?
a. Contemplation b. Preparation c. Action d. Maintenance