NURS 530 EXAM 2 CONTENT
QUESTIONS AND ANSWERS WITH
VERIFIED SOLUTIONS 100%
CORRECT UPDATE 2026
what fundamental property of t and b lymphocytes gives a body the capacity to
recognize millions of different antigens? the property of:
a. clonal expansion
b. cytokine expressions
c. tissue homing
d. somatic gene rearrangement - CORRECT ANSWES -- d. somatic gene
rearrangement
which immune system activity tends to increase with increasing age?
a. antibody secretion from response to immunizations
b. killing of virus-infected and cancerous cells
c. bone marrow formation of naive lymphocytes
d. cytokine secretion by macrophages and other cells - CORRECT ANSWES -- d.
cytokine secretion by macrophages and other cells
what is an important difference between benign and malignant tumors?
a. invasiveness
b. rate of cell growth within the tumor
c. size of tumor
d. a difference in the tissue of origin - CORRECT ANSWES -- a. invasiveness
true or false: with appropriate lifestyle choices it is possible to eliminate exposure to
carcinogens - CORRECT ANSWES -- false
how are cancer cells able to avoid senescence?
a. spontaneous apoptosis
b. increased amounts of telomerase
c. contain an enzyme keeping the chromosomes short
d. avoid necrosis in response to cell injury - CORRECT ANSWES -- b. they have
increased amounts of telomerase
, which of the following is not an age related risk factor for cancer?
a. years of exposure
b. replicative senescence
c. chronic inflammation
d. immunosenescence - CORRECT ANSWES -- b. replicative senescence
true or false: most cancers result from sporadic mutations that activate proton-
oncogenes - CORRECT ANSWES -- true
which protein synthesis is promoted when cells are damaged and the levels of p53
increase?
a. cyclin d
b. cyclin-dependent kinase 1
c. p21
d. cyclin a - CORRECT ANSWES -- c. p21
to continue to proliferate, cancer cells must be able to evade this form of cell death
a. apoptosis
b. necrosis
c. autolysis
d. autophagy - CORRECT ANSWES -- a. apoptosis
which of the following are the hallmarks of cancer?
a. uncontrolled proliferative signaling
b. genomic instability and telomerase activity
c. apoptosis and immune destruction evasion
d. evasion of growth suppressors and angiogenesis promotion
e. all of the the above - CORRECT ANSWES -- e. all of the above
what is a significant factor in the life span of a red blood cell?
a. transport of carbon dioxide to the lungs for removal
b. lack of organelles increasing volume available for hemoglobin
c. small size and membrane flexibility to easily flow through small capillaries
d. high concentration of hemoglobin to deliver oxygen - CORRECT ANSWES -- b. lack
of organelles increasing volume available for hemoglobin
following a gastrectomy, a pt c/o lightheadedness, fatigue, exercise intolerance. pt
appears pale and hgb levels are low. which of the following tests would most likely
differentiate between b12 deficiency and iron deficiency in this case?
a. ferritin
QUESTIONS AND ANSWERS WITH
VERIFIED SOLUTIONS 100%
CORRECT UPDATE 2026
what fundamental property of t and b lymphocytes gives a body the capacity to
recognize millions of different antigens? the property of:
a. clonal expansion
b. cytokine expressions
c. tissue homing
d. somatic gene rearrangement - CORRECT ANSWES -- d. somatic gene
rearrangement
which immune system activity tends to increase with increasing age?
a. antibody secretion from response to immunizations
b. killing of virus-infected and cancerous cells
c. bone marrow formation of naive lymphocytes
d. cytokine secretion by macrophages and other cells - CORRECT ANSWES -- d.
cytokine secretion by macrophages and other cells
what is an important difference between benign and malignant tumors?
a. invasiveness
b. rate of cell growth within the tumor
c. size of tumor
d. a difference in the tissue of origin - CORRECT ANSWES -- a. invasiveness
true or false: with appropriate lifestyle choices it is possible to eliminate exposure to
carcinogens - CORRECT ANSWES -- false
how are cancer cells able to avoid senescence?
a. spontaneous apoptosis
b. increased amounts of telomerase
c. contain an enzyme keeping the chromosomes short
d. avoid necrosis in response to cell injury - CORRECT ANSWES -- b. they have
increased amounts of telomerase
, which of the following is not an age related risk factor for cancer?
a. years of exposure
b. replicative senescence
c. chronic inflammation
d. immunosenescence - CORRECT ANSWES -- b. replicative senescence
true or false: most cancers result from sporadic mutations that activate proton-
oncogenes - CORRECT ANSWES -- true
which protein synthesis is promoted when cells are damaged and the levels of p53
increase?
a. cyclin d
b. cyclin-dependent kinase 1
c. p21
d. cyclin a - CORRECT ANSWES -- c. p21
to continue to proliferate, cancer cells must be able to evade this form of cell death
a. apoptosis
b. necrosis
c. autolysis
d. autophagy - CORRECT ANSWES -- a. apoptosis
which of the following are the hallmarks of cancer?
a. uncontrolled proliferative signaling
b. genomic instability and telomerase activity
c. apoptosis and immune destruction evasion
d. evasion of growth suppressors and angiogenesis promotion
e. all of the the above - CORRECT ANSWES -- e. all of the above
what is a significant factor in the life span of a red blood cell?
a. transport of carbon dioxide to the lungs for removal
b. lack of organelles increasing volume available for hemoglobin
c. small size and membrane flexibility to easily flow through small capillaries
d. high concentration of hemoglobin to deliver oxygen - CORRECT ANSWES -- b. lack
of organelles increasing volume available for hemoglobin
following a gastrectomy, a pt c/o lightheadedness, fatigue, exercise intolerance. pt
appears pale and hgb levels are low. which of the following tests would most likely
differentiate between b12 deficiency and iron deficiency in this case?
a. ferritin
