The parents of a toddler are distraught that he has been diagnosed with autism. When providing care for the child and his parents, the nurse understands that autism is thought to be caused by what?
A) Immunizations containing mercury
B) Impaired attachment in infancy
C) Genetic factors
D) Perinatal hypoxia
Ans: C
Approximately 70% of idiopathic autism cases appear to be an inherited form of an affective disorder. Studies also suggest that autism is caused by interactions of multiple genes. The disorder is not caused by immunizations. Neither impaired attachment nor perinatal hypoxia has been identified as an etiologic factor.
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The nurse is instructing a patient who is experiencing diarrhea associated with a microorganism not to use an antidiarrheal medication. The patient asks, "Why can't I take something to stop the diarrhea?" How should the nurse respond to this patient?
1. "Antidiarrheal medication slows down the elimination of the microorganism causing the diarrhea." 2. "Antibiotics are always used to treat the microorganisms but antibiotics may worsen diarrhea." 3. "The potassium you are taking will help to slow down the diarrhea." 4. "Your physician does not like to use antidiarrheal medications."
When is a treatment considered medically futile?
a. When it won't cure a patient b. When a patient is very old c. When it cannot benefit a terminally ill person d. When it is not cost-effective
During labor, a woman's bladder should be assessed at least every 2 hours because:
a. An empty bladder suggests kidney failure. b. Bladder fullness indicates adequate hydration. c. A full bladder may interfere with labor progress. d. The woman may be unable to tell whether the bladder is full.
A nurse is teaching a group of nursing students about antihistamines. Which statement by a student indicates an understanding of the mechanism of action of the antihistamines?
a. "Antihistamines block H1 receptors to prevent actions of histamine at these sites." b. "Antihistamines block release of histamine from mast cells and basophils." c. "H1 antagonists can bind to H1 receptors, H2 receptors, and muscarinic receptors." d. "First-generation antihistamines are more selective than second-generation antihistamines."