ATI RN
The Hematologic System ATI Questions
Question 1 of 5
Which of the following is a key feature of Factor XIII?
Correct Answer: A
Rationale: Factor XIII has a long half-life of about 10 days, allowing it to play a crucial role in stabilizing fibrin clots. This extended lifespan contributes to the maintenance of clot integrity over time. The other choices are incorrect because Factor XIII is not an activator of thrombin (B), its levels are low in newborns and gradually increase (C), and it is not part of the contact activation system (D).
Question 2 of 5
A 16-year-old female presents to the emergency room with a new complaint of chest pain. When performing a review of systems and physical examination, which of the following would substantially decrease your suspicion for a diagnosis of pulmonary embolism?
Correct Answer: C
Rationale: The correct answer is C: Rib tenderness. Rib tenderness is a symptom more commonly associated with musculoskeletal issues rather than pulmonary embolism. Pulmonary embolism typically presents with symptoms such as chest pain, shortness of breath, and sometimes cough. Fever is not a typical symptom of pulmonary embolism. Shortness of breath is a common symptom but not specific enough to substantially decrease suspicion for pulmonary embolism.
Question 3 of 5
You are caring for a patient with a large localized Ewing sarcoma of the soft tissues of the arm. The surgeon believes that the tumor can be resected without amputation but asks whether you can give some chemotherapy to shrink the tumor before surgery. Which of the following would you tell the surgeon?
Correct Answer: B
Rationale: The correct answer is B because starting chemotherapy before resection at week 12 can help shrink the tumor, making it more manageable for surgery. A is incorrect because preoperative chemotherapy can improve outcomes. C is incorrect because radiotherapy may not be necessary if the tumor is completely resected. D is incorrect because radiotherapy may still be necessary even if the tumor is resected before chemotherapy.
Question 4 of 5
A nurse is assessing a dark-skinned client for pallor. What nursing assessment is best to assess for pallor in this client?
Correct Answer: A
Rationale: The correct answer is A: Assess the conjunctiva of the eye. Pallor is difficult to detect in dark-skinned individuals due to the lack of contrast. The conjunctiva of the eye provides a reliable area to assess for pallor as it is mucous membrane with blood vessels that can show changes in color. It is not accurate to assess for pallor by having the patient open the hand widely (B) as skin color on hands may vary. Looking at the roof of the mouth (C) may not accurately reflect pallor. Palpating for areas of mild swelling (D) does not assess for pallor, but rather for edema.
Question 5 of 5
A client is having a radioisotopic imaging scan. What action by the nurse is most important?
Correct Answer: D
Rationale: The correct answer is D because educating the client about the procedure is crucial for informed consent, cooperation, and reducing anxiety. This empowers the client to participate actively in their care. Assessing for shellfish allergies (A) is irrelevant unless a specific contrast agent is used. Placing the client on radiation precautions (B) is unnecessary for radioisotopic imaging. Sedating the client (C) may not be indicated and should be avoided if possible. Teaching the client about the procedure (D) addresses the immediate need and supports client safety and understanding.