A 15-year-old patient presents to the clinic with this rash transmitted.
They report spending time hiking in wooded areas two weeks ago.
Identify what arachnid caused this rash, and what is the name of the disease that can be.
A tick caused the rash, and the disease is Lyme disease.
A spider caused the rash, and the disease is Rocky Mountain spotted fever.
A mite caused the rash, and the disease is scabies.
A chigger caused the rash, and the disease is chigger dermatitis.
The Correct Answer is A
Choice A rationale
A tick is the arachnid responsible for transmitting Lyme disease. The characteristic rash associated with Lyme disease is erythema migrans, often described as a "bull's-eye" rash, which can appear days to weeks after a bite from an infected blacklegged tick (Ixodes scapularis or Ixodes pacificus). Spending time in wooded areas increases the risk of tick exposure.
Choice B rationale
Spiders are arachnids, but they are not the primary vector for Rocky Mountain spotted fever. Rocky Mountain spotted fever is caused by the bacterium Rickettsia rickettsii and is transmitted to humans through the bite of infected American dog ticks (Dermacentor variabilis) or Rocky Mountain wood ticks (Dermacentor andersoni). The rash associated with this disease typically starts on the wrists and ankles and spreads centrally.
Choice C rationale
Mites are arachnids, and certain types cause scabies, a contagious skin infestation characterized by intense itching and a pimple-like rash due to the burrowing of the Sarcoptes scabiei mite into the skin. While hiking in wooded areas could potentially lead to exposure to some types of mites, the rash of scabies has a distinct presentation and transmission pattern different from Lyme disease.
Choice D rationale
Chiggers are also mites (arachnids) that can be found in wooded areas. Their bites cause chigger dermatitis, characterized by intensely itchy red welts or bumps where the larvae have attached to the skin. While the history of hiking is relevant to potential exposure to chiggers, the rash and the associated disease are distinct from the erythema migrans rash of Lyme disease. .
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Monitoring for signs of infection is crucial in children with spina bifida due to the potential for meningitis and urinary tract infections related to neurological deficits and potential openings in the spinal cord. Normal white blood cell count ranges from 4,500 to 11,000 per microliter, and fever, redness, swelling, or purulent drainage would indicate infection.
Choice B rationale
Encouraging mobility is important to promote development and prevent complications like contractures. However, in the immediate postoperative period or with significant neurological impairment, maintaining skin integrity takes precedence to prevent infection and further complications.
Choice C rationale
Providing nutritional support is essential for growth and development in children with spina bifida, who may have feeding difficulties or increased metabolic needs. Adequate nutrition supports overall health, but preventing skin breakdown in areas prone to pressure is a more immediate concern.
Choice D rationale
Maintaining skin integrity is the most important intervention because children with spina bifida often have sensory and motor deficits that make them susceptible to pressure ulcers, especially over bony prominences and the surgical site if a myelomeningocele repair has occurred. Skin breakdown can lead to serious infections and complications.
Correct Answer is C
Explanation
Choice C rationale
Scoliosis screening typically begins around age 10 to coincide with the onset of the adolescent growth spurt, when the curvature of the spine is most likely to progress. Early detection during this period allows for timely intervention and management to prevent severe spinal deformities.
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