Tanisha Was Just Diagnosed with an Aggressive Form of Breast

question 34

Multiple Choice

Tanisha was just diagnosed with an aggressive form of breast cancer called Her-2/neu.The cancer started because

• A) she has a deletion in the BRCA1 gene that is found in African-American and Ashkenazi Jewish women.
• B) her affected breast cells have many extra receptors for epidermal growth factor, and so they receive too many signals to divide.
• C) her affected cells have extra genes for epidermal growth factor, sending signals for the cells to divide too frequently.
• D) a translocation occurred between chromosomes 7 and 8, generating and activating a breast-specific oncogene.
• E) fusion proteins dot the surfaces of her affected breast cells, which attract carcinogens.

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Definitions:

Battle

is a combat between two or more armed forces or combatants, typically involving physical violence and strategy.

Olfactory Receptors

Specialized neurons in the nasal cavity that are responsible for the detection of odor molecules, leading to the sense of smell.

Gas Leak

The escape of gas, typically from a pipeline or container, into an area where it might pose a risk or danger.

Alerting

The process of quickly bringing to conscious attention any stimuli that signal a change in the environment, enabling an individual to prepare to respond.