A nurse is educating a group of parents about potential causes of autism spectrum disorder (ASD). Which of the following responses should the nurse make?
"ASD can be caused by consuming gluten and casein, which are found in wheat and dairy products, respectively."
"Vaccinations, especially the MMR vaccine, have been proven to be a leading cause of autism in children."
"ASD is primarily caused by poor parenting and a lack of nurturing in early childhood."
"The exact causes of autism spectrum disorder are not fully understood, but it is believed to be related to a combination of genetic and environmental factors."
The Correct Answer is D
A. Dietary factors, such as gluten and casein, have not been proven to cause ASD, though some interventions may help manage symptoms.
B. Vaccinations, including MMR, have been extensively studied and do not cause autism; this is a widely debunked myth.
C. Poor parenting or lack of nurturing is not a cause of ASD; blaming caregivers is both inaccurate and harmful.
D. The exact causes of ASD remain unknown, but research supports a combination of genetic susceptibility and environmental influences (e.g., prenatal factors, perinatal complications) contributing to the development of the disorder. This statement provides the most accurate and evidence-based explanation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Confusion involves disorientation or difficulty understanding surroundings, not fixed false beliefs.
B. Inappropriate guilt is a symptom of depression but does not involve false beliefs about external control.
C. Delusions are fixed, false beliefs that are not based in reality, such as thinking a government agency is trying to capture the person. This is a paranoid delusion, often seen in psychotic disorders or severe depression with psychotic features.
D. Mania is characterized by elevated mood, hyperactivity, and impulsive behavior, not paranoid or persecutory thoughts.
Correct Answer is ["1.7"]
Explanation
Ordered dose: 125 mg
Available concentration: 75 mg/mL
Step 1: Use the formula
mL to administer = Desired dose ÷ Available dose per mL
mL to administer = 125 ÷ 75 ≈ 1.6667
Step 2: Round to the nearest tenth
1.6667 → 1.7 mL
Final Answer: 1.7 mL
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