QUESTION 5:

  1. How do the data in the table below influence your interpretation of the frequency frequency comparisons in the survey? See model answer
  2. What explanations might there be for any patterns of birth defects? See model answer
Location Diagnosis
99th Street Congenital deafness
Reflux of ureters
Cleft palate, heart defects
Club foot
Wet Area Prolapsed mitral valve
Hydronephrosis
Three ears (1 case)
Turned down ears
Absent kidney
Hydrocephalus
Club foot
Web toes (3 cases)
Dry Area Inverted testicle
Absent teeth
Extra toe
Ureteral obstruction
Disaccharide deficiency
No diaphragm
Retarded, eye and teeth defects
North of Colbin Boulevard Hypospadias
Deformed kidney
Incomplete lip
Hydrocephalus
Down syndrome
Diaphragmatic hernia
Immature lungs
Hip dysplasia

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


Answer 1:

There was not a clear cut pattern of birth defects noted with the exception of Web Toes.
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Answer 2:

It turned out that the cases of web toes were restricted to one family and are presumably a familial genetic phenomenon not associated with the canal wastes.
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Postgraduate Diploma in Occupational Health (DOH) - Modules 3: Occupational Medicine & Toxicology (Basic) by Profs Mohamed Jeebhay and Rodney Ehrlich, Health Sciences UCT is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 2.5 South Africa License. Major contributors: Mohamed Jeebhay, Rodney Ehrlich, Jonny Myers, Leslie London, Sophie Kisting, Rajen Naidoo, Saloshni Naidoo. Source available from here. For any updates to the material, or more permissions beyond the scope of this license, please email healthoer@uct.ac.za or visit www.healthedu.uct.ac.za. Last updated Jan 2007.
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