A nurse was reading PPD tests 24 hours after another nurse had administered them. Which of the following findings would cause the nurse to interpret the test as positive?
a. 15 mm of erythema in a client with HIV infection
b. 5 mm of induration in an immigrant from a country where TB is endemic
c. A 5-mm ruptured pustule with purulent drainage in a homeless client
d. 10 mm of swelling and increased firmness in a client recently released from a correctional facility
ANS: D
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A client on antiarrhythmic drug therapy complains of nausea, vomiting, abdominal pain, diarrhea, and a ringing sensation in the ears. Which of the following drugs should the nurse consider as the possible cause?
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What is the minimum number of variables in a canonical analysis?
a. 2 b. 3 c. 4 d. 5
A nurse is caring for an infant after a surgical procedure. After ensuring that the ordered dose is appropriate for the infant's age and weight, the nurse administers a narcotic analgesic intravenously
When assessing the infant 15 minutes later, the nurse notes respirations of 22 breaths per minute and a heart rate of 110 beats per minute. The infant is asleep in the parent's arms and does not awaken when vital signs are assessed. The nurse understands that these findings are the result of: a. an allergic reaction to the medication. b. immaturity of the blood-brain barrier in the infant. c. toxic effects of the narcotic, requiring naloxone (Narcan) as an antidote. d. unexpected side effects of medications in infants.