Which should the nurse anticipate to be prescribed for the primary treatment of mastoiditis?
A. Corticosteroid
B. Wax softener
C. Antifungal agent
D. Antibiotic
Answer: D
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An older adult with a gastrostomy tube has difficulty using the dominant hand. Which of the following should the nurse provide to prevent complications of the gastrostomy tube?
a. Use foam swabs to brush the teeth. b. Provide oral care every 4 hours. c. Supply a soft tooth brush and floss. d. Position the patient at 90 degrees for tube feedings.
A student is trying to understand the possible reasons that a genetic abnormality might exist in an individual. Which of the following reasons is most plausible?
A) DNA has combined with several types of protein and a small amount of RNA. B) Histones have exerted control on the folding of DNA strands. C) DNA has blocked genetic transcription by preventing access of nucleotides to the DNA surface. D) Chromatin has maintained its stable structure during the DNA replication process.
A nurse performs an Allen test before performing the arterial stick for an arterial blood gas. What does this test assess?
a. Respiratory function b. Tidal volume c. Concentration of oxygen d. Perfusion of the hand
When auscultating the S2 heart sound, the nurse understands that this heart sound:
a. Represents the beginning of systole. b. Represents the closure of the aortic and pulmonic valves. c. Is usually followed by the S3 heart sound. d. May be heard as a split sound on exhalation in clients under age 40.