Which Technique Is Most Routine for Breast Cancer Screening

question 17

Multiple Choice

Which technique is most routine for breast cancer screening?

• A) Breast MRI
• B) Breast CT scan
• C) Mammogram
• D) Serum PSA assay
• E) Genetic testing for BRCA1 or BRCA2 mutations

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Definitions:

Spatial Summation

The process by which multiple synaptic inputs from different locations on the same neuron combine to influence the firing rate or activity of the neuron.

Dendrites

The branched projections of a neuron that act to conduct the electrochemical stimulation received from other neural cells to the cell body.

Back Propagation

Reverse movement of an action potential into the soma and dendritic field of a neuron; postulated to play a role in plastic changes that underlie learning.

Action Potential

A temporary reversal of an electric polarization of the membrane of a nerve cell or muscle cell, allowing for the transmission of signals.