Medicine and Health Sciences Commons^™

Does Low-Level Arsenic Exposure Predict Blood Pressure In Children?, Tania Angelica Mayorga

Open Access Theses & Dissertations

Background & Significance: Inorganic arsenic is a heavy metal naturally found in soil and human exposure to this heavy metal causes adverse effects. Exposure risks are particularly high in developing children. Arsenic is mainly found in bedrock. It is also a by-product of smelting, it is used in cement production, and historically is has been found in crop pesticides. Among other ill-effects, arsenic exposure in humans can cause respiratory diseases, peripheral neuropathy and liver fibrosis. In particular arsenic has been shown in many studies to be a contributing factor in the risk for hypertension in adults however no studies have …

Monolingual And Bilingual Intervention Outcomes In A Bilingual Child With Autism, Victoria Alexander

Open Access Theses & Dissertations

Background: When treating bilingual children with autism spectrum disorder (ASD), the language of intervention has been a controversial topic among professionals. There is limited research on the treatment of bilingual children with ASD.

Purpose: To extend the limited research on the use of language of intervention in bilingual children with ASD. This study compared a monolingual English treatment and a bilingual English-Spanish treatment, to examine which one was more efficient.

Methods: A single-subject alternating treatment design with a baseline was used to compare the efficacy of two treatment conditions in increasing language skills in a bilingual child with ASD. The …

Comparison Of Blood Lead Levels Between Children In An Urban Setting And Children In A Rural Setting, Juan Manuel Alvarez

Open Access Theses & Dissertations

Environmental heavy metal exposure is a public health problem that is of great concern because it is highly toxic for children. The urban setting in downtown El Paso is historically known to be contaminated through various sources of contamination of heavy metals. The goal of this study was to compare whether children in a historically contaminated urban downtown area had significantly increased levels of lead exposure as compared to children in a demographically similar rural area approximately 20 miles north of the urban center, while controlling for gender and age. Cadmium and mercury were also measured for comparison purposes. It …