When teaching parents about home safety, what should you tell them is the main way in which infant's explore their environment?
Remaining in one area and observing their surroundings
Putting everything in their mouth.
Isolated play.
Being curious about new people and places.
The Correct Answer is B
Infants primarily explore their environment through oral sensory stimulation, driven by immature cognitive development and dominant sensorimotor behavior. This stage involves learning via taste, touch, and mouthing as part of early sensorimotor exploration and neurodevelopmental adaptation.
Rationale:
A. Remaining in one area and observing surroundings reflects passive visual engagement but is not the primary exploratory behavior. Infants actively interact with objects rather than solely observing, making this option incorrect as the main method of exploration.
B. Putting objects in the mouth is the primary mode of sensory exploration in infancy. This oral stage allows infants to investigate texture, shape, and taste, but also increases risk of aspiration and poisoning, making home safety education essential.
C. Isolated play is not characteristic of normal infant development. Infants require social and sensory interaction for cognitive growth. Isolation does not represent exploratory behavior and therefore is not a correct description of how infants learn about their environment.
D. Curiosity about people and places emerges later in development but does not define infant exploration. While social recognition develops, infants primarily rely on oral-motor exploration rather than cognitive curiosity about unfamiliar environments or individuals.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Toddlers experience separation anxiety, limited cognitive understanding of time, and heightened fear of bodily harm during hospitalization. Painful procedures should be structured to reduce environmental associations with routine care areas and minimize anticipatory distress and procedural conditioning.
Rationale:
A. Telling the child the procedure will not hurt is inappropriate because toddlers rely on concrete thinking and quickly learn to distrust caregivers if pain occurs. This increases anxiety and reduces future cooperation with healthcare providers.
B. Having the parent leave increases separation anxiety, which is already a major stressor in toddlers. Parental presence provides security and reduces distress during painful procedures, improving cooperation and emotional regulation.
C. Performing painful procedures in a separate treatment room helps prevent negative environmental association with the child’s room. This reduces conditioned fear responses and allows the child to perceive the bedside space as safe and comforting.
D. Telling a toddler the day before is ineffective due to limited time perception. Toddlers cannot meaningfully process delayed events, leading to prolonged anxiety without improving understanding or cooperation during the actual procedure.
Correct Answer is ["4.5\u201322.5"]
Explanation
Step 1: Identify formula
Safe dose range = Weight in kg × Recommended dose range
Step 2: Convert pounds to kilograms
= 10 lb ÷ 2.2
= 4.5 kg
Step 3: Calculate low dose range
= 4.5 kg × 1 mcg/kg/day
= 4.5 mcg/day
Step 4: Calculate high dose range
= 4.5 kg × 5 mcg/kg/day
= 22.5 mcg/day
Step 5: Final answer
Low dose = 4.5 mcg/day
High dose = 22.5 mcg/day
Final Answer: 4.5–22.5 mcg/day
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