ATI LPN
Quiz Questions Hematologic System Questions
Question 1 of 5
A nurse has presented an educational program to a community group on Lyme disease. What statement by a participant indicates the need to review the material?
Correct Answer: C
Rationale: Rationale: Choice C is the correct answer because it states an incorrect fact about Lyme disease. Lyme disease, if left untreated, is not usually fatal. It can lead to serious complications but is rarely fatal. This indicates a need for review. Choices A, B, and D are incorrect as they provide accurate information about Lyme disease prevention, symptoms, and treatment duration, respectively.
Question 2 of 5
Molecules that can react with antibodies but cannot induce an immune reaction by themselves are called:
Correct Answer: C
Rationale: The correct answer is C: Haptens. Haptens are molecules that can react with antibodies but cannot induce an immune response on their own. They need to bind to a larger carrier molecule to trigger an immune reaction. Antigens (A) are molecules that can induce an immune response. Immunoglobulins (B) are antibodies produced by the immune system. Immunogens (D) are substances capable of inducing an immune response by themselves. Therefore, haptens best fit the description provided in the question.
Question 3 of 5
Which interventions apply in the care of a client at high risk for an allergic response to a latex allergy?
Correct Answer: A
Rationale: The correct answer is A: Use nonlatex gloves. This intervention is crucial in preventing an allergic response in a client with a latex allergy. Latex gloves are a common source of exposure to latex allergens, so using nonlatex gloves reduces the risk of triggering an allergic reaction. Explanation: 1. Latex gloves contain latex proteins that can cause allergic reactions in sensitive individuals. 2. By using nonlatex gloves, the risk of direct contact with latex allergens is minimized. 3. This intervention is a practical and effective measure to protect the client from exposure to latex. 4. It is a proactive approach to prevent potential allergic responses and promote client safety. Summary of other choices: B: Placing the client in a private room only does not directly address the risk of latex exposure. C: Using a blood pressure cuff from an electronic device only is not specific to preventing latex exposure. D: Avoiding medication vials with rubber stoppers is important but does not directly address the use of latex
Question 4 of 5
The nurse is caring for a client who has been taking a sulfonamide and should monitor for signs and symptoms of which adverse effects of the medication?
Correct Answer: C
Rationale: The correct answer is C: Bone marrow suppression. Sulfonamides are known to cause hematologic adverse effects, such as bone marrow suppression leading to decreased production of blood cells. This can manifest as anemia, leukopenia, or thrombocytopenia. Monitoring for signs and symptoms of bone marrow suppression, such as fatigue, pallor, easy bruising, and increased susceptibility to infections, is crucial. Explanation of other choices: A: Ototoxicity - Sulfonamides do not typically cause ototoxicity. B: Nephrotoxicity - While sulfonamides can cause kidney damage in some cases, bone marrow suppression is a more common adverse effect. D: Increased white blood cell (WBC) count - Sulfonamides do not typically lead to an increase in WBC count; instead, they are more likely to cause a decrease due to bone marrow suppression.
Question 5 of 5
A 38-year-old woman with fever, confusion, Hb 8.7 g/dL, platelets 25,000/µL, fragmented RBCs, renal failure. Most likely pathogenesis?
Correct Answer: C
Rationale: The correct answer is C: Failure to cleave von Willebrand factor multimers. This patient's presentation is consistent with thrombotic thrombocytopenic purpura (TTP), caused by a deficiency of ADAMTS13 leading to the accumulation of ultra-large von Willebrand factor multimers. This results in platelet aggregation, microthrombi formation, hemolytic anemia, and renal failure. A is incorrect because DIC typically presents with bleeding manifestations. B is incorrect as antiplatelet antibodies would not lead to the specific findings in this case. D is incorrect as verotoxin-induced endothelial damage is associated with hemolytic uremic syndrome, which typically presents with bloody diarrhea.