The nurse is teaching the parent of a child with allergic rhinitis about the disorder. Which statement indicates the parent understands the information?
1. "The only way to avoid these symptoms is to completely avoid the trigger."
2. "Since this has occurred only once, I can be sure it will not be a common problem for my child."
3. "It may not always be necessary for my child to take allergy medications to avoid these symptoms."
4. "Because my child has so many different triggers, antihistamines will not be effective in controlling symptoms."
3
Rationale 1: It may be impossible to completely avoid all the allergens that produce the sensitivity.
Rationale 2: There is no way to be certain the symptoms will not recur just because it is the first episode.
Rationale 3: It is possible for patients to outgrow allergies as the immune system becomes less sensitive to the trigger.
Rationale 4: There is no indication that allergy to several substances makes antihistamines ineffective.
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When a neuron is stimulated and causes depolarization of the nerve, what occurs?
A) Calcium rushes into the cell. B) Sodium rushes into the cell. C) Potassium rushes into the cell. D) Sodium and potassium are actively pumped out to the cell.
The nurse is assessing a patient diagnosed with myasthenia gravis. Which symptom would the nurse expect to assess?
a. Ptosis b. Tremors of the hands during voluntary movement c. Dizziness on sudden movement of the head d. Postural hypotension
In a client with delirium the nurse knows that the manifestation that is inconsistent with the DSM-IV criteria is
a. change in cognition not accounted for by a pre-existing or evolving dementia. b. development of mental status changes over several months. c. disturbance of consciousness; reduced ability to focus, sustain, or shift attention. d. tendency to fluctuate attention and orientation during the course of the day.
A client demonstrates a positive Romberg's sign with eyes closed, but not with eyes open, during the course of the neurologic examination. What conclusion can the nurse make from this observation?
A. The client has difficulty with proprioception. B. The client has a peripheral motor disorder. C. The client has a cerebellar lesion. D. The client has pronator drift.