An occupational health nurse is interpreting the results of a tuberculin skin test for a group of clients who received the test 48 hr ago. Which of the following clients should the nurse identify as having a positive test result?
A client whose injection site is scabbed
A client whose injection site is firm and measures 3 mm (0.1 in)
A client whose injection site has an elevated area measuring 15 mm (0.6 in)
A client whose injection site is ecchymotic
The Correct Answer is C
Choice A Reason:
A client whose injection site is scabbed is incorrect. Scabbing at the injection site does not provide information about the presence or absence of induration. It doesn't contribute to interpreting the test result directly.
Choice B Reason:
A client whose injection site is firm and measures 3 mm (0.1 in) is incorrect. A measurement of 3 mm of induration is generally considered a negative result for most individuals, including those without any risk factors for tuberculosis (TB).
Choice C Reason:
A client whose injection site has an elevated area measuring 15 mm (0.6 is correct. An area of induration measuring 15 mm or more is considered positive in individuals with no known risk factors for TB.
Choice D Reason:
A client whose injection site is ecchymotic is incorrect. Ecchymosis (bruising) at the injection site is not relevant to the interpretation of the tuberculin skin test. It does not contribute to determining a positive or negative result.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A Reason:
“Twill increase vitamin C intake by drinking orange juice." Reason why it might not indicate an understanding: Citrus juices like orange juice can exacerbate GERD symptoms due to their acidity. Increasing intake might worsen reflux symptoms for many individuals with GERD.
Choice B Reason:
“Will eat six small meals each day." This statement indicates an understanding. Eating smaller, more frequent meals instead of three large meals can help reduce pressure on the lower esophageal sphincter (LES), minimizing the likelihood of stomach contents flowing back into the esophagus, which commonly triggers GERD symptoms.
Choice C Reason:
"I will lie down for 30 minutes after each meal." Reason why it might not indicate an understanding: Lying down after meals can worsen GERD symptoms. Remaining upright or at least sitting upright for a few hours after meals helps prevent reflux by allowing gravity to assist in keeping stomach contents from moving up into the esophagus.
Choice D Reason:
“Will sleep flat on my back at night." Reason why it might not indicate an understanding: Sleeping flat on the back can aggravate GERD symptoms as it allows stomach acid to flow more easily into the esophagus. Sleeping with the head elevated (using pillows or an adjustable bed) is recommended to reduce nighttime reflux.
Correct Answer is ["A"]
Explanation
a. Have the client wear a surgical mask during transport. This is the appropriate intervention to prevent the spread of the influenza virus when the client needs to be transported within the healthcare facility. Influenza is primarily spread through respiratory droplets, so wearing a surgical mask helps to contain these droplets.
b. Wear an N95 mask while providing care to the client. An N95 mask is generally not required for influenza. Standard precautions, including wearing a surgical mask when within close proximity to the client, are usually sufficient.
c. Administer an influenza immunization to the client. It is not appropriate to administer the influenza vaccine to a client who is already infected with the influenza virus.
d. Place the client in a negative airflow room. Negative airflow rooms are typically reserved for airborne diseases such as tuberculosis. Influenza, which spreads via droplets, does not require this level of isolation.
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