What are some risk factors for developing breast cancer?
What will be an ideal response?
Some of the risk factors for developing breast cancer are: (1) early onset of menses and late menopause; (2) first pregnancy late in life or no pregnancies at all; (3) familial history of breast cancer; (4) postmenopausal hormone replacement.
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During surgery, general anesthesia inhibits the ________, causing unconsciousness in the patient
A) Basal nuclei B) Limbic system C) Hypothalamus D) Reticular system
Dendritic cells serve as antigen-presenting cells
Indicate whether this statement is true or false.
Define interferons
A) Interferons are small proteins released by virus-infected cells that trigger the production of antiviral proteins. B) Interferons are phagocytic white blood cells that attack virus-infected cells. C) Interferons are circulating proteins that assist antibodies in the destruction of pathogens. D) Interferons are chemicals that induce fever to accelerate tissue metabolism and defenses. E) Interferons are circulating proteins that bind specific antigens as part of the adaptive immune response.
When the diaphragm contracts, _______.
A. it rises in the thoracic cavity B. it flattens out and it rises in the thoracic cavity C. it flattens out D. it lifts the rib cage