Answer to Question 1
Genes and heredity high heritability; 40-60 of children with ADHD have parents with ADHD; polygenic model many genes are implicated in ADHD
Physiological portions of the brain are implicated (frontal lobes, anterior cingulated cortex, corpus callosum, temporal lobes, and striatal regions); neurotransmitters (dopamine and serotonin); atypical processing; pre- and postnatal complications and low birth weight; sleep disturbances
Psychological weaknesses in executive functioning such as vigilance, working memory, and planning; hot EF dysfunction and cool EF dysfunction; sluggish cognitive tempo; temperament, personality, and age are also factors
Family and environmental no link between family factors causing ADHD but may maintain or exacerbate ADHD; parental beliefs about ADHD can contribute to a destructive cycle of negative interpretations and blame as well as harsh parenting; maternal smoking, alcohol use, and exposure to stress; lead exposure
Answer to Question 2
C
Eudicot leaf development and structure.
Identify the structures shown below by filling in the blanks.
The posted octane rating in most high-altitude areas shows regular at 85 instead of the usual 87.
A new drug development time line with the four phases of drug approval.
The U.S. military uses its own marking system to identify explosive hazards (left), chemical hazards ...
Rising sea level: Some areas will be affected by a rise of just 40 cm