shield suggests protective intervention in imminent danger or actual attack. shielded her eyes from the sun with her hand; guard implies protecting with vigilance and force against expected danger. White House entrances are well guarded; safeguard implies taking precautionary protective measures against merely possible danger
The test, called the Montreal Cognitive Assessment, or Moca, is a 10-minute screening exam meant to highlight possible problems with thinking and memory. But it is by no means definitive, nor even diagnostic, experts pointed out. Screening tests like these cannot rule out declines in reasoning or memory, or difficulties with planning or judgment.
How does a cognitive ability test work? Cognitive ability tests are made up of a series of multiple-choice questions designed to give an accurate intellectual profile of the person answering them. Although some tests might focus on a single category, such as numerical reasoning or verbal reasoning, many include a mix of these, along with spatial, mechanical and abstract reasoning.