For the client who has sustained tracheobronchial trauma, which assessment finding alerts the nurse to the possibility of tracheal lacerations?
A. Hypertympanic sound on affected side
B. Subcutaneous emphysema over the trachea
C. Hypotension and decreased capillary refill
D. Deviation of the trachea to the affected side
B
Lacerations of the trachea cause massive air leaks, which manifest as extensive subcutaneous emphysema and air in the mediastinum.
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The nurse is performing a mental status examination when caring for a patient with a neurocognitive disorder (NCD). The patient's spouse asks why a mental status examination is necessary. How will the nurse respond?
1. "The mental status exam is the only way to assess the cognitive decline of a patient with early stage Alzheimer disease." 2. "The mental status exam is used to assess depression in a patient with early stage Alzheimer disease." 3. "The mental status exam will reveal slow and progressive cognitive decline of a patient with early stage Alzheimer disease." 4. "The status exam will reveal rapid and dramatic changes in cognition of a patient with early stage Alzheimer disease."
The client who is recovering from hepatitis A infection asks the nurse whether he should take the hepatitis A vaccine to avoid contracting this disease again. What is the nurse's best re-sponse?
A. "Yes, because now you are more susceptible to this infection." B. "Yes, because hepatitis A is widespread and considered to be a sexual transmitted disease." C. "No, your liver and immune system are too impaired at this time to respond ap-propriately to a vaccination for hepatitis." D. "No, this infection has done the same thing a vaccination would and your immune system now makes antibodies against hepatitis A."
The pediatric nurse working with patients with hematological disorders knows that the function of white blood cells is to:
A) maintain hemostasis. B) transport hemoglobin. C) provide vascular repair. D) mediate the immune system.
Which circumstance will call for the use of analysis of variance (ANOVA)?
a. A researcher wishes to compare differences in means between four groups b. A researcher wishes to compare the difference in variance between two groups c. A researcher wishes to compare the difference in variance among four groups d. A researcher wishes to compare the difference in correlation between two groups.