________ Is a Genetic Mutation That Significantly Increases the Risk

question 46

Multiple Choice

________ is a genetic mutation that significantly increases the risk of breast cancer.

• A)HCG
• B)CEA
• C)BRCA1
• D)PSA

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Definitions:

Medial Lemniscal Tract

A pathway in the central nervous system that conveys sensations of fine touch and proprioception from the body to the brain.

Fasciculus Gracilis

A bundle of nerve fibers in the spinal cord that carries sensory information from the lower part of the body to the brain.

Secondary Receptors

Proteins or cellular components that detect signals or substances released by primary receptors and further propagate cellular response.

Receptor Potential

The change in electrical potential across a sensory receptor's membrane that occurs in response to a stimulus, leading to the generation of a nerve impulse.