To find the heart rate from an ECG strip of a patient with a normal sinus rhythm, the nurse counts 20 small boxes between two R waves. The heart rate would be:
A) 75 beats/min
B) 80 beats/min
C) 60 beats/min
D) 140 beats/min
Ans: A
Feedback: The calculation to determine the heart rate on an ECG strip counting the number of small boxes between R waves is 1500 divided by the number of R waves (1500 divided by 20 equals 75).
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The nurse recognizes that feedback loops
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Which action will the nurse take first when a patient is seen in the outpatient clinic with neck pain?
a. Provide information about therapeutic neck exercises. b. Ask about numbness or tingling of the hands and arms. c. Suggest that the patient alternate the use of heat and cold to the neck to treat the pain. d. Teach about the use of nonsteroidal antiinflammatory drugs such as ibuprofen (Advil).
For which child would nonopioid analgesics be recommended?
A) A child with juvenile arthritis B) A child with end-stage cancer C) A child with a broken arm D) A child with severe postoperative pain