A Modified CRM Is Performed on a Patient with a Left

question 8

Multiple Choice

A modified CRM is performed on a patient with a left posterior vertical canal impairment.Upon sitting up at the end of the maneuver the therapist notices rotary transient nystagmus in the opposite direction from the original nystagmus.What could be an explanation for this phenomenon?

• A)Contralateral canal stimulation
• B)Decreased patient ability to fixate to inhibit eye movements
• C)Cervico-ocular reflex responses to the maneuver
• D)Some of the otoconia may have fallen back into the canal

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Definitions:

Epigenetic Study

Research focused on changes in gene expression caused by mechanisms other than changes in the DNA sequence itself.

Genetic Mapping

Identifying the exact position and chemical structure of particular genes within a chromosome.

Polygenic Study

Research aimed at understanding traits or conditions that are influenced by multiple genes, in contrast to those determined by a single gene.

Survival Problem

A situation or scenario where an individual or group must overcome obstacles to remain alive, often used in psychology to study decision-making.