The nurse is preparing a presentation depicting the various ways pathogens are spread around. The nurse will illustrate that pathogens passed around via insects is referred to as which mechanism?
Airborne.
Vehicle.
Vector.
Contact.
The Correct Answer is C
Choice A reason: Airborne transmission involves pathogens spread through respiratory droplets, not insects. Insect-borne pathogens are vector transmission, making this incorrect, as it misidentifies the mechanism for diseases like malaria spread by mosquitoes in the nurse’s presentation on pathogen spread.
Choice B reason: Vehicle transmission involves contaminated objects or food, not insects. Pathogens spread by insects are via vector transmission, making this incorrect, as it does not describe the role of insects in pathogen spread in the nurse’s presentation on transmission mechanisms.
Choice C reason: Vector transmission occurs when insects like mosquitoes carry pathogens between hosts, a key mechanism for diseases like dengue. This aligns with infectious disease principles, making it the correct term for the nurse to illustrate in the presentation on how pathogens are spread.
Choice D reason: Contact transmission involves direct touch or surfaces, not insects. Vector transmission correctly describes insect-borne spread, making this incorrect, as it does not apply to the role of insects in pathogen transmission in the nurse’s educational presentation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: For a 75-lb child (34 kg), the daily dose range is 1122-1632 mg (33-48 mg/kg). Divided by 4, each dose is 280.5-408 mg. 280 mg is slightly below the minimum, making this borderline and incorrect compared to a dose within the safe therapeutic range for administration.
Choice B reason: A 75-lb child weighs 34 kg (75 ÷ 2.2). The daily dose range is 1122-1632 mg (33-48 mg/kg), so per dose (÷4) is 280.5-408 mg. 375 mg falls within this range, aligning with pediatric pharmacology, making it the correct dosage to administer per dose.
Choice C reason: For a 75-lb child (34 kg), the daily dose range is 1122-1632 mg (33-48 mg/kg), with each dose (÷4) being 280.5-408 mg. 408 mg is at the maximum but within range, making this correct but less optimal than 375 mg, which is safer within the therapeutic window.
Choice D reason: A 75-lb child (34 kg) requires 1122-1632 mg daily (33-48 mg/kg), so each dose (÷4) is 280.5-408 mg. 250 mg is below the minimum, risking underdosing, making this incorrect compared to 375 mg, which is safely within the therapeutic range for the child.
Correct Answer is C
Explanation
Choice A reason: Placing the probe on the chest is not a standard pulse oximetry site and yields inaccurate readings. Explaining the device’s purpose addresses the caregiver’s concern, making this ineffective and incorrect compared to educating about the sensor’s role in monitoring the infant’s oxygen levels.
Choice B reason: Pulse oximetry measures oxygen saturation, not respiratory retractions, which are observed visually. Explaining its true purpose reassures the caregiver, making this inaccurate and incorrect compared to clarifying the device’s function to address concerns about the sensor’s use on the infant.
Choice C reason: Explaining that pulse oximetry measures oxygen saturation clarifies its importance, reassuring the caregiver about its necessity and addressing tightness concerns. This aligns with pediatric nursing education principles, making it the prioritized response to ensure compliance with monitoring the infant’s respiratory status.
Choice D reason: Checking the probe site every 8 hours prevents skin issues but doesn’t address the caregiver’s concern about tightness. Explaining the device’s purpose promotes understanding, making this secondary and incorrect compared to educating to maintain the sensor’s use on the infant.
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