The nurse is providing teaching to a mother of a 4-year-old child about prevention of communicable disease. Which of the following is important to include in her teaching.
vaccination is the only way to protect against infection
handwashing has little effect on preventing infections
a child with an infection may be contagious during the prodromal period
intact skin creates a portal of entry for infection
The Correct Answer is C
Communicable diseases in early childhood spread through direct contact, droplets, or fomites, with transmission often occurring before full clinical symptom manifestation. The prodromal period represents early nonspecific symptom onset when pathogen shedding is high, increasing infectivity despite mild or absent overt clinical signs.
Rationale:
A. Vaccination is a major preventive measure but not the only method of protection. Hygiene practices, isolation, environmental sanitation, and herd immunity also significantly reduce transmission risk. This statement is incorrect because it overstates vaccination as the sole protective strategy.
B. Handwashing is one of the most effective interventions for reducing fomite transmission of pathogens. It removes transient microorganisms from hands, significantly decreasing infection spread in pediatric populations. This statement is incorrect as it contradicts established infection control principles.
C. The prodromal phase is characterized by early nonspecific symptoms such as malaise or low-grade fever, during which viral shedding is often highest. Children can transmit infections before definitive symptoms appear, making this period critical for infection control awareness and isolation practices.
D. Intact skin acts as a primary physical barrier against microbial entry, preventing pathogens from penetrating underlying tissues. Infection typically requires a break in skin integrity or mucosal exposure, so intact skin does not serve as a portal of entry, making this statement incorrect.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Child abuse assessment requires careful evaluation of injury patterns, developmental consistency, and mechanism plausibility. Non-accidental trauma often presents with patterned, clustered, or location-specific bruising inconsistent with accidental mechanisms such as falls, especially in protected body regions.
Rationale:
A. A caregiver being anxious for medical attention is not a specific indicator of abuse. Parental anxiety may reflect concern, guilt, or situational stress but is not diagnostically associated with non-accidental trauma without corroborating physical findings.
B. Frequent emergency visits labeled as “accident prone” may reflect normal childhood activity patterns or poor supervision, but it is nonspecific and can be seen in both abusive and non-abusive environments. It alone does not strongly suggest intentional injury.
C. Bruises on the head, arms, and legs can occur in a true fall down stairs, as these are exposed bony areas commonly injured in accidental trauma. The distribution described is consistent with a plausible mechanism and is not highly specific for abuse.
D. Clustered bruising on the torso, back, or buttocks is highly suspicious for non-accidental injury because these are protected areas unlikely to be injured in accidental falls. Patterned bruises in these regions strongly suggest inflicted trauma and warrant further investigation.
Correct Answer is {"dropdown-group-1":"A","dropdown-group-2":"A","dropdown-group-3":"A"}
Explanation
Pediatric medication administration demands absolute precision, as even minor calculation errors can lead to severe adverse outcomes. Nurses must systematically verify every prescription by converting the child's weight to kilograms, establishing the safe dosage range (SDR) based on clinical drug references, and ensuring the ordered dose falls within those parameters before calculating the fluid volume for administration.
Rationale:
• 2–4 mg per dose: The child weighs 44 lb, which converts to 20 kg (44 ÷ 2.2 = 20 kg). The safe dosage range is 100–200 mcg/kg/dose.
Minimum dose: 100 mcg × 20 kg = 2,000 mcg = 2 mg
Maximum dose: 200 mcg × 20 kg = 4,000 mcg = 4 mg
Therefore, the safe dosage range is 2–4 mg per dose.
• Yes: The prescribed dose is 3 mg orally every 4 hours as needed. Since 3 mg falls within the safe dosage range of 2–4 mg per dose, the order is considered safe for administration.
• 1.5 mL: The medication concentration is 2 mg per 1 mL. Using dimensional analysis:
3 mg ordered × (1 mL ÷ 2 mg) = 1.5 mL. The nurse should administer 1.5 mL of liquid morphine.
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