Research Comparing Rates of Major Depressive Disorder with Seasonal Pattern

question 42

Multiple Choice

Research comparing rates of Major depressive disorder with seasonal pattern in Canada and Iceland has demonstrated that 

• A)all populations living at high latitudes are equally likely to experience the condition. 
• B) more Canadians experience the condition than Icelanders, suggesting that Icelanders may have developed some genetic protections against the condition.​ 
• C) more Icelanders experience the condition than Canadians, suggesting that Canadians may have developed some genetic protections against the condition.​ 
• D) native Icelanders or Canadians were unlikely to experience the condition, but people who immigrate to those countries are extremely vulnerable to the condition.​

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Definitions:

Osteocytes

Mature bone cells that maintain the mineral content of the bone and help to regulate calcium and phosphate concentrations.

Maintenance Cells

Cells that perform routine repair and maintenance tasks within tissues, keeping them healthy and functional.

Osteochondral Progenitor Cells

Cells that have the potential to differentiate into osteoblasts or chondrocytes, contributing to bone and cartilage formation respectively.

Osteoblasts

Cells responsible for bone formation, secreting the matrix for bone and playing a central role in bone remodeling and repair.