This brief 10 item screen takes about 3 minutes to administer,  It includes components requiring intact short and long term memory attention and orientation. 

One point is allocated for each correct response. A score of <8/10 is suggestive of significant cognitive deficit, although further and more formal tests are necessary to confirm the diagnosis.  Results areaffected by language and cultural background. Its advantage is its brevity.

Hodkinson, HM (1972). "Evaluation of a mental test score for assessment of mental impairment in the elderly.".Age and Ageing 1 (4): 233-8.