Nokea
Which event causes the kidney to produce erythropoietin?
- A. Decreased erythrocytes
- B. Decreased oxygen levels
- C. Extensive systemic infection
- D. Excessive circulating clotting factor
Correct Answer: B
Rationale: When oxygen levels are low, the kidney produces a hormone known as erythropoietin.
You may also like to solve these questions
When reinforcing instructions for the patient taking an oral liquid iron preparation, which should the nurse include?
- A. Information relative to taking the iron with milk
- B. Information relative to the bowel movement color changing to dark red
- C. Information relative to taking preparation through a straw to prevent staining of teeth
- D. Information relative to taking a drug with meals or a snack
Correct Answer: C
Rationale: Liquid iron preparations should be drunk through a straw to prevent tooth staining. All oral iron preparations should be taken before meals. Dairy products interfere with the absorption of iron.
The hematopoietic stem cell transplant (Bone marrow transplant) is used for a patient with which disease?
- A. Iron deficiency anemia
- B. Aplastic anemia
- C. Leukemia
- D. Pernicious anemia
- E. Myelodysplastic syndrome
Correct Answer: B,C,E
Rationale: Bone marrow transplant may be used for aplastic anemia, leukemia and myelodysplastic syndrome. It is not used for iron deficiency anemia or pernicious anemia.
A patient has been diagnosed with pernicious anemia. When reinforcing instructions, the nurse explains this disorder results from which process?
- A. Poor nutritional intake of iron
- B. Lack of the intrinsic factor
- C. Blood loss due to hemorrhage
- D. Excess production of red blood cells
Correct Answer: B
Rationale: With pernicious anemia, the body lacks the intrinsic factor. Iron deficiency anemia is caused by poor nutritional iron intake. Blood loss associated anemia is due to hemorrhage. Pernicious anemia is not associated with excess production of red blood cells.
Which does the elevation in the eosinophil count to 10% indicate?
- A. Anemia
- B. Allergy
- C. Infection
- D. Hypoxia
Correct Answer: B
Rationale: Normal values of eosinophils are 1% to 4%. An elevation to 10% would indicate the presence of an allergic reaction.
Which is the first step in the process of hemostasis?
- A. Prothrombin converts to thrombin
- B. Formation of thrombin
- C. Formation of fibrin
- D. Trapping of RBC and platelets
- E. Clot
- F. Release of thromboplastin from platelets
Correct Answer: F
Rationale: Thromboplastin is released from the platelets, which acts with calcium to form thrombin; fibrin is formed, which traps red cells and platelets to make the clot.