NURS 6030 EXAM 2 QUESTIONS WITH COMPLETE SOLUTION.
benign tumor - (answer)encapsulated new growth of well differentiated cells.
malignant tumor - (answer)poorly differentiated cells with the ability to metastasize.
tumor suppressor genes - (answer)a gene whose product inhibits cell division, thereby preventing
uncontrolled cell growth.
oncogenes - (answer)dominantly expressed, mutated gene that gives a cell growth or survival
advantage.
proto-oncogenes - (answer)the corresponding normal cellular genes that are responsible for normal cell
growth and division.
cancer is often the result of... - (answer)activation of proto-oncogenes to oncogenes and inactivation of
tumor suppressor genes.
characteristics of a cancer cell - (answer)uncontrolled replication.
DNA damage does not stop cell division or stimulate apoptosis.
grows and divides without growth factors.
Both copies of a tumor suppressor gene must be inactivated by mutation in order to contribute to
cancer development, true or false? - (answer)true.
the Philadelphia chromosome is associated with which type of cancer? - (answer)leukemia.
epithelium - (answer)bodies first barrier; mechanical and chemical (flora).
skin and mucous membranes; if these barriers are compromised than infection is likely.
microbiome - (answer)found on skin and in digestive tract.
, NURS 6030 EXAM 2 QUESTIONS WITH COMPLETE SOLUTION.
functions to digest nutrients, produce vitamin k, inhibit bacterial growth.
100 trillion bacteria (2-5 lbs), strains differ btwn people.
virulence - (answer)potential for an organism to produce disease.
pathogens - (answer)virulent organisms.
saprophytes - (answer)harmless organisms.
opportunistic - (answer)organisms that cause disease in immunocompromised hosts.
prions - (answer)protein particles that lack a genome.
transmissible, slowly progressive, neurodegenerative diseases.
resistant to enzymes that would normally break down proteins.
their replication isn't understood.
prion diseases cause... - (answer)progressive nerve degeneration via amyloid plaques in the brain.
will slowly spread through NS, no treatment known.
virus structures don't contain... - (answer)organelles.
virus lifecycle includes... - (answer)attachment, penetration, un-coating, replication, assembly & release
of new virions, potential latency, potential oncogenesis.
influenza virus - (answer)two surface proteins can shift their antigens to make new, virulent strains.
antigenic shift occurs yearly.
AIDS affects... - (answer)lymphoid areas and cells first, then CD4 cells decline.
benign tumor - (answer)encapsulated new growth of well differentiated cells.
malignant tumor - (answer)poorly differentiated cells with the ability to metastasize.
tumor suppressor genes - (answer)a gene whose product inhibits cell division, thereby preventing
uncontrolled cell growth.
oncogenes - (answer)dominantly expressed, mutated gene that gives a cell growth or survival
advantage.
proto-oncogenes - (answer)the corresponding normal cellular genes that are responsible for normal cell
growth and division.
cancer is often the result of... - (answer)activation of proto-oncogenes to oncogenes and inactivation of
tumor suppressor genes.
characteristics of a cancer cell - (answer)uncontrolled replication.
DNA damage does not stop cell division or stimulate apoptosis.
grows and divides without growth factors.
Both copies of a tumor suppressor gene must be inactivated by mutation in order to contribute to
cancer development, true or false? - (answer)true.
the Philadelphia chromosome is associated with which type of cancer? - (answer)leukemia.
epithelium - (answer)bodies first barrier; mechanical and chemical (flora).
skin and mucous membranes; if these barriers are compromised than infection is likely.
microbiome - (answer)found on skin and in digestive tract.
, NURS 6030 EXAM 2 QUESTIONS WITH COMPLETE SOLUTION.
functions to digest nutrients, produce vitamin k, inhibit bacterial growth.
100 trillion bacteria (2-5 lbs), strains differ btwn people.
virulence - (answer)potential for an organism to produce disease.
pathogens - (answer)virulent organisms.
saprophytes - (answer)harmless organisms.
opportunistic - (answer)organisms that cause disease in immunocompromised hosts.
prions - (answer)protein particles that lack a genome.
transmissible, slowly progressive, neurodegenerative diseases.
resistant to enzymes that would normally break down proteins.
their replication isn't understood.
prion diseases cause... - (answer)progressive nerve degeneration via amyloid plaques in the brain.
will slowly spread through NS, no treatment known.
virus structures don't contain... - (answer)organelles.
virus lifecycle includes... - (answer)attachment, penetration, un-coating, replication, assembly & release
of new virions, potential latency, potential oncogenesis.
influenza virus - (answer)two surface proteins can shift their antigens to make new, virulent strains.
antigenic shift occurs yearly.
AIDS affects... - (answer)lymphoid areas and cells first, then CD4 cells decline.
