NR 283/ NR283 (New 2026 Update) Pathophysiology
Exam 3 Testbank |Verified Questions & Answers|
Grade A| 100% Correct (Verified Solutions)-
Chamberlain
1. What is the primary function of erythrocytes in the human body?
□ A. Immune response
□ B. Tissue oxygenation
□ C. Nutrient transport
□ D. Waste removal
Answer: B. Tissue oxygenation
2. Which property of erythrocytes allows them to change shape to pass through various sized
vessels?
□ A. High hemoglobin content
□ B. Reversible deformation
□ C. Biconcave shape
□ D. Elastic membrane
Answer: B. Reversible deformation
3. What is the lifespan of an erythrocyte in the human body?
□ A. 120 days
□ B. 60 days □ C.
90 days □ D. 150
days
Answer: A. 120 days
4. What hormone is responsible for stimulating the production of erythrocytes?
□ A. Erythrocyte factor
1
,□ B. Erythropoietin
□ C. Hemoglobin
□ D. Oxygenase
Answer: B. Erythropoietin
5. Where is erythropoietin produced in the body?
□ A. Liver
□ B. Bone marrow
□ C. Spleen □ D.
Kidneys
Answer: D. Kidneys
6. How many oxygen molecules can one hemoglobin molecule carry?
□ A. 2 □
B. 3 □ C. 4
□ D. 5
Answer: C. 4
7. What characteristic of erythrocytes contributes to their optimal gas transport capability?
□ A. Biconcave shape
□ B. Flexible membrane
□ C. High surface area
□ D. Low density
Answer: A. Biconcave shape
8. What is the primary component of erythrocytes that gives them their color?
□ A. Myoglobin
□ B. Chlorophyll
□ C. Hemoglobin
□ D. Collagen
Answer: C. Hemoglobin
9. What is the primary indication for the use of Epogen (epoetin alpha)?
2
,□ A. To treat vitamin B12 deficiency
B. To decrease the need for red blood cell transfusion in anemia due to chronic
□
kidney disease
□ C. To increase the production of erythrocytes in healthy individuals □ D. To
manage acute blood loss
Answer: B. To decrease the need for red blood cell transfusion in anemia due to chronic kidney
disease
10. Which type of anemia is specifically caused by a deficiency of intrinsic factor?
□ A. Pernicious anemia
□ B. Iron deficiency anemia
□ C. Folate deficiency anemia
□ D. Hemolytic anemia
Answer: A. Pernicious anemia
11. What is a common cause of pernicious anemia?
□ A. Genetic absence of intrinsic factor
□ B. Excessive iron intake
□ C. Acute blood loss
□ D. Chronic kidney disease
Answer: A. Genetic absence of intrinsic factor
12. Which symptom is associated with a decrease in hemoglobin levels in anemia?
□ A. Elevated blood pressure
□ B. Increased appetite
□ C. Weakness and fatigue □ D.
Improved concentration
Answer: C. Weakness and fatigue
13. Folate deficiency anemia is commonly seen in which group of individuals?
□ A. Individuals with chronic kidney disease
□ B. Those with a history of smoking
3
, □ C. Alcoholics and malnourished people
□ D. Patients undergoing dialysis
Answer: C. Alcoholics and malnourished people
14. What is the role of folate in the body related to erythrocytes?
□ A. It increases the production of hemoglobin
□ B. It helps in the absorption of vitamin B12
□ C. It is necessary for DNA synthesis of erythrocytes
□ D. It prevents the destruction of erythrocytes
Answer: C. It is necessary for DNA synthesis of erythrocytes
15. What can lead to the development of pernicious anemia over time?
□ A. Immediate blood loss
□ B. Excessive folate intake
□ C. Genetic factors affecting intrinsic factor production
□ D. Rapid erythrocyte destruction
Answer: C. Genetic factors affecting intrinsic factor production
16. Which of the following is NOT a cause of anemia?
□ A. Impaired erythrocyte production
□ B. Acute or chronic blood loss
□ C. Increased destruction of erythrocytes
□ D. Excessive vitamin D intake
Answer: D. Excessive vitamin D intake
17. What is a potential consequence of having a vitamin B12 deficiency?
□ A. Increased red blood cell production
□ B. Development of pernicious anemia
□ C. Improved absorption of folate □ D.
Decreased risk of chronic diseases
Answer: B. Development of pernicious anemia
4
Exam 3 Testbank |Verified Questions & Answers|
Grade A| 100% Correct (Verified Solutions)-
Chamberlain
1. What is the primary function of erythrocytes in the human body?
□ A. Immune response
□ B. Tissue oxygenation
□ C. Nutrient transport
□ D. Waste removal
Answer: B. Tissue oxygenation
2. Which property of erythrocytes allows them to change shape to pass through various sized
vessels?
□ A. High hemoglobin content
□ B. Reversible deformation
□ C. Biconcave shape
□ D. Elastic membrane
Answer: B. Reversible deformation
3. What is the lifespan of an erythrocyte in the human body?
□ A. 120 days
□ B. 60 days □ C.
90 days □ D. 150
days
Answer: A. 120 days
4. What hormone is responsible for stimulating the production of erythrocytes?
□ A. Erythrocyte factor
1
,□ B. Erythropoietin
□ C. Hemoglobin
□ D. Oxygenase
Answer: B. Erythropoietin
5. Where is erythropoietin produced in the body?
□ A. Liver
□ B. Bone marrow
□ C. Spleen □ D.
Kidneys
Answer: D. Kidneys
6. How many oxygen molecules can one hemoglobin molecule carry?
□ A. 2 □
B. 3 □ C. 4
□ D. 5
Answer: C. 4
7. What characteristic of erythrocytes contributes to their optimal gas transport capability?
□ A. Biconcave shape
□ B. Flexible membrane
□ C. High surface area
□ D. Low density
Answer: A. Biconcave shape
8. What is the primary component of erythrocytes that gives them their color?
□ A. Myoglobin
□ B. Chlorophyll
□ C. Hemoglobin
□ D. Collagen
Answer: C. Hemoglobin
9. What is the primary indication for the use of Epogen (epoetin alpha)?
2
,□ A. To treat vitamin B12 deficiency
B. To decrease the need for red blood cell transfusion in anemia due to chronic
□
kidney disease
□ C. To increase the production of erythrocytes in healthy individuals □ D. To
manage acute blood loss
Answer: B. To decrease the need for red blood cell transfusion in anemia due to chronic kidney
disease
10. Which type of anemia is specifically caused by a deficiency of intrinsic factor?
□ A. Pernicious anemia
□ B. Iron deficiency anemia
□ C. Folate deficiency anemia
□ D. Hemolytic anemia
Answer: A. Pernicious anemia
11. What is a common cause of pernicious anemia?
□ A. Genetic absence of intrinsic factor
□ B. Excessive iron intake
□ C. Acute blood loss
□ D. Chronic kidney disease
Answer: A. Genetic absence of intrinsic factor
12. Which symptom is associated with a decrease in hemoglobin levels in anemia?
□ A. Elevated blood pressure
□ B. Increased appetite
□ C. Weakness and fatigue □ D.
Improved concentration
Answer: C. Weakness and fatigue
13. Folate deficiency anemia is commonly seen in which group of individuals?
□ A. Individuals with chronic kidney disease
□ B. Those with a history of smoking
3
, □ C. Alcoholics and malnourished people
□ D. Patients undergoing dialysis
Answer: C. Alcoholics and malnourished people
14. What is the role of folate in the body related to erythrocytes?
□ A. It increases the production of hemoglobin
□ B. It helps in the absorption of vitamin B12
□ C. It is necessary for DNA synthesis of erythrocytes
□ D. It prevents the destruction of erythrocytes
Answer: C. It is necessary for DNA synthesis of erythrocytes
15. What can lead to the development of pernicious anemia over time?
□ A. Immediate blood loss
□ B. Excessive folate intake
□ C. Genetic factors affecting intrinsic factor production
□ D. Rapid erythrocyte destruction
Answer: C. Genetic factors affecting intrinsic factor production
16. Which of the following is NOT a cause of anemia?
□ A. Impaired erythrocyte production
□ B. Acute or chronic blood loss
□ C. Increased destruction of erythrocytes
□ D. Excessive vitamin D intake
Answer: D. Excessive vitamin D intake
17. What is a potential consequence of having a vitamin B12 deficiency?
□ A. Increased red blood cell production
□ B. Development of pernicious anemia
□ C. Improved absorption of folate □ D.
Decreased risk of chronic diseases
Answer: B. Development of pernicious anemia
4
