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 D
Explanation
Choice A Reason:
Age 45 years is incorrect. While age is a significant factor in osteoporosis risk, 45 years old isn't inherently considered a high-risk age for developing osteoporosis. However, bone density tends to decrease gradually with age, and after menopause in women, there's a more significant decline due to hormonal changes.
Choice B Reason:
Regular aerobic exercise is incorrect. Regular exercise, particularly weight-bearing and muscle-strengthening activities, is typically beneficial for bone health. It can help maintain or improve bone density and strength, reducing the risk of osteoporosis. Therefore, regular aerobic exercise is generally considered a protective factor against osteoporosis, rather than a risk factor.
Choice C Reason:
Uses NSAIDs for pain relief is incorrect. While long-term use of certain medications, such as glucocorticoids (steroids), can increase the risk of osteoporosis due to their impact on bone density, the use of NSAIDs (nonsteroidal anti-inflammatory drugs) for pain relief isn't directly linked to osteoporosis as a significant risk factor. However, chronic use of certain medications might have implications for bone health and should be assessed on an individual basis.
Choice D Reason:
Smoking is a known risk factor for osteoporosis. It can have detrimental effects on bone health by interfering with the body's ability to absorb calcium, decreasing estrogen levels, and impairing bone-forming cells. Consequently, smokers have a higher risk of developing osteoporosis compared to non-smokers.
Correct Answer is A
Explanation
Choice A Reason:
Older adults are at increased risk for falls due to decreased vision, balance issues, and decreased reaction time. Placing white or brightly colored tape on the edges of stairs enhances visibility, reducing the risk of missteps and falls.
Choice B Reason:
Placing area rugs on wooden floors is not appropriate. Area rugs on wooden floors can pose a tripping hazard, especially for older adults who might have mobility issues. They can easily slip or trip on loose rugs. Securing rugs with non-slip backing or removing them entirely is a better safety measure.
Choice C Reason:
Running wires and cords under carpeting is not appropriate. Running wires and cords under carpeting can create tripping hazards and increase the risk of electrical issues, including potential overheating and fire hazards. It's safer to secure cords along walls or use cord covers to prevent tripping and reduce potential electrical hazards
Choice D Reason:
Heating systems should be inspected annually to prevent carbon monoxide poisoning and fire hazards. An annual inspection is recommended, especially for older adults who may have impaired smell or cognition, making them less likely to detect gas leaks or heating malfunctions.
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