NR 507 Week 4 Midterm Exam
NR 507: Advanced Pathophysiology
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,Question 1.Question : Which substance has been shown to increase the risk of cancer
when used in combination with tobacco smoking?
Student Alcohol
Answer:
Steroids
Antihistamines
Antidepressants
Instructor Alcohol interacts with smoke, increasing the risk of malignant tumors, possibly
Explanation: 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.
Points Received: 2 of 2
Comments:
Question 2.Question : Which term is used to describe a muscle cell showing a reduced
ability to form new muscle while appearing highly disorganized?
Student Dysplasia
Answer:
Hyperplasia
Myoplasia
Anaplasia
Instructor Anaplasia is defined as the loss of cellular differentiation, irregularities of the
Explanation: 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.
Points Received: 2 of 2
Comments:
Question 3.Question : What is the final stage of the infectious process?
Student Colonization
Answer:
Invasion
Multiplication
Spread
Instructor From the perspective of the microorganisms that cause disease, the infectious
Explanation: process undergoes four separate stages of progression: (1) colonization, (2)
invasion, (3) multiplication, and (4) spread.
Points Received: 2 of 2
Comments:
, Question 4.Question : What is the most common cause of insufficient erythropoiesis in
children?
Student Folic acid deficiency
Answer:
Iron deficiency
Hemoglobin abnormality
Erythrocyte abnormality
Instructor Similar to the anemias of adulthood, ineffective erythropoiesis or premature
Explanation: 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.
Points Received: 2 of 2
Comments:
Question 5.Question : Which statement is true concerning the IgM?
Student Answer: 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.
Instructor Typically, IgM is produced first (primary immune response), followed
Explanation: by IgG against the same antigen. The other options are not true
statements regarding IgM.
Points Received: 2 of 2
Comments:
Question 6.Question : Where in the respiratory tract do the majority of foreign objects
aspirated by children finally lodge?
Student Trachea
Answer:
Left lung
Bronchus
Bronchioles
Instructor Approximately 75% of aspirated foreign bodies lodge in a bronchus. The other
Explanation: options are not locations where children aspirate the majority of foreign
objects.
Points Received: 2 of 2
Comments:
Question 7.Question : What is the role of caretaker genes?
Student Answer: Maintenance of genomic integrity
Proliferation of cancer cells
NR 507: Advanced Pathophysiology
Verified And Correct Answers
Best document for Exam
Secure Better Grades
,Question 1.Question : Which substance has been shown to increase the risk of cancer
when used in combination with tobacco smoking?
Student Alcohol
Answer:
Steroids
Antihistamines
Antidepressants
Instructor Alcohol interacts with smoke, increasing the risk of malignant tumors, possibly
Explanation: 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.
Points Received: 2 of 2
Comments:
Question 2.Question : Which term is used to describe a muscle cell showing a reduced
ability to form new muscle while appearing highly disorganized?
Student Dysplasia
Answer:
Hyperplasia
Myoplasia
Anaplasia
Instructor Anaplasia is defined as the loss of cellular differentiation, irregularities of the
Explanation: 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.
Points Received: 2 of 2
Comments:
Question 3.Question : What is the final stage of the infectious process?
Student Colonization
Answer:
Invasion
Multiplication
Spread
Instructor From the perspective of the microorganisms that cause disease, the infectious
Explanation: process undergoes four separate stages of progression: (1) colonization, (2)
invasion, (3) multiplication, and (4) spread.
Points Received: 2 of 2
Comments:
, Question 4.Question : What is the most common cause of insufficient erythropoiesis in
children?
Student Folic acid deficiency
Answer:
Iron deficiency
Hemoglobin abnormality
Erythrocyte abnormality
Instructor Similar to the anemias of adulthood, ineffective erythropoiesis or premature
Explanation: 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.
Points Received: 2 of 2
Comments:
Question 5.Question : Which statement is true concerning the IgM?
Student Answer: 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.
Instructor Typically, IgM is produced first (primary immune response), followed
Explanation: by IgG against the same antigen. The other options are not true
statements regarding IgM.
Points Received: 2 of 2
Comments:
Question 6.Question : Where in the respiratory tract do the majority of foreign objects
aspirated by children finally lodge?
Student Trachea
Answer:
Left lung
Bronchus
Bronchioles
Instructor Approximately 75% of aspirated foreign bodies lodge in a bronchus. The other
Explanation: options are not locations where children aspirate the majority of foreign
objects.
Points Received: 2 of 2
Comments:
Question 7.Question : What is the role of caretaker genes?
Student Answer: Maintenance of genomic integrity
Proliferation of cancer cells
