a 35 year old female is diagnosed with vitamin b12 deficiency anemia pernicious anemia how should the nurse respond when the patient asks what causes
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Nursing Elites

ATI RN

ATI Pathophysiology

1. A 35-year-old female is diagnosed with vitamin B12 deficiency anemia (pernicious anemia). How should the nurse respond when the patient asks what causes pernicious anemia? A decrease in ______ is the most likely cause.

Correct answer: C

Rationale: Pernicious anemia is primarily caused by a decrease in intrinsic factor. Intrinsic factor is a protein produced by the stomach that is necessary for the absorption of vitamin B12 in the intestines. Without intrinsic factor, vitamin B12 cannot be absorbed properly, leading to anemia. Ferritin is a protein that stores iron in the body and is not directly related to pernicious anemia. Gastric enzymes play a role in digestion but are not the primary cause of pernicious anemia. Erythropoietin is a hormone produced by the kidneys to stimulate red blood cell production and is not linked to pernicious anemia.

2. A client has been admitted to the hospital with symptoms of Guillain-Barré syndrome. Which aspect of the client's condition would require priority monitoring?

Correct answer: B

Rationale: In Guillain-Barré syndrome, respiratory muscle weakness can lead to respiratory compromise, making it crucial to prioritize monitoring for signs of respiratory distress. Monitoring oxygen saturation levels is important but is secondary to assessing for respiratory compromise in this condition. Changes in consciousness and monitoring blood pressure closely are not typically the priority in Guillain-Barré syndrome.

3. A 1-year-old child will receive her scheduled MMR vaccination shortly. The nurse should teach the child's parents that she may develop what possible adverse effect related to the administration of this vaccine?

Correct answer: A

Rationale: The correct answer is A: Cough and fever. After receiving the MMR vaccine, some children may experience mild adverse effects such as a low-grade fever and a mild cough. These symptoms are normal reactions to the vaccine and indicate that the child's immune system is responding appropriately. Choices B, C, and D are incorrect because pallor and listlessness, serum sickness, nausea, and vomiting are not common adverse effects associated with the MMR vaccine in children.

4. When a patient asks the nurse what hypersensitivity is, how should the nurse respond? Hypersensitivity is best defined as:

Correct answer: C

Rationale: Hypersensitivity is correctly defined as an excessive or inappropriate response of the immune system to a sensitizing antigen. This response leads to tissue damage or other clinical manifestations. Choice A is incorrect as hypersensitivity involves an exaggerated, not a reduced, immune response. Choice B is incorrect because hypersensitivity is not a normal immune response to an infectious agent but rather an exaggerated one. Choice D is incorrect as it refers to desensitization, which is the opposite of hypersensitivity.

5. Where are most body fluids located?

Correct answer: B

Rationale: Most body fluids are located within cells in the intracellular space. While the extracellular space also contains body fluids, the majority is found within the cells. Intravascular space refers to fluids within blood vessels, and transcellular space includes fluids in compartments like cerebrospinal, pleural, and peritoneal cavities.

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