chamberlain college of nursing nr507 week 4 midterm exam version 3
60 qa nr 507 week 4 midterm exam new 2021 advanced pathophysiology
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NR 507 MIDTERM EXAM
, NR 507 WEEK 4 MIDTERM EXAM
Question 1. Which substance has been shown to increase the risk of cancer
when used in combination with tobacco smoking?
Alcohol
Steroids
Antihistamines
Antidepressants
Explanation: Alcohol interacts with smoke, increasing the risk of malignant tumors, possibly
by acting as a solvent for the carcinogenic chemicals in smoke products. No
current research supports the remaining options as having an increased effect on
the incidence of cancer when used in combination with tobacco smoking.
Question 2. Which term is used to describe a muscle cell showing a reduced
ability to form new muscle while appearing highly disorganized?
Dysplasia
Hyperplasia
Myoplasia
Anaplasia
Explanation: Anaplasia is defined as the loss of cellular differentiation, irregularities of the
, size and shape of the nucleus, and the loss of normal tissue structure. In clinical
specimens, anaplasia is recognized by a loss of organization and a significant
increase in nuclear size with evidence of ongoing proliferation. The remaining
options refer to specific changes in the cell.
Question 3. What is the final stage of the infectious process?
Colonization
Invasion
Multiplication
Spread
Explanation: From the perspective of the microorganisms that cause disease, the infectious
process undergoes four separate stages of progression: (1) colonization, (2)
invasion, (3) multiplication, and (4) spread.
Question 4. What is the most common cause of insufficient erythropoiesis in
children?
Folic acid deficiency
Iron deficiency
, Hemoglobin abnormality
Erythrocyte abnormality
Explanation: Similar to the anemias of adulthood, ineffective erythropoiesis or premature
destruction of erythrocytes causes the anemias of childhood. The most
common cause of insufficient erythropoiesis is iron deficiency. The other
options may be causes but are not common ones.
Question 5. Which statement is true concerning the IgM?
IgM is the first antibody produced during the initial response
to an antigen.
IgM mediates many common allergic responses.
IgM is the most abundant class of immunoglobulins.
IgM is capable of crossing the human placenta.
Explanation: Typically, IgM is produced first (primary immune response), followed
by IgG against the same antigen. The other options are not true
statements regarding IgM.
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