HESI RN
HESI Med Surg Hematological system Questions
Extract:
Question 1 of 5
The nurse recognizes that patients with von Willebrand disease are at risk for prolonged bleeding times for which reason?
Correct Answer: D
Rationale: Von Willebrand disease involves variable factor VIII deficiencies and platelet dysfunction, leading to prolonged bleeding times due to impaired clot formation.
Question 2 of 5
In which type of water would a submersion injury cause the patient's fluid to be drawn from the vascular space into the alveoli, impairing alveolar ventilation and resulting in hypoxia?
Correct Answer: B
Rationale: Hypertonic saltwater draws fluid into the alveoli due to its higher solute concentration, impairing ventilation and causing hypoxia.
Question 3 of 5
After noting that a patient with leukemia has thrombocytopenia, which action will the nurse plan to take?
Correct Answer: C
Rationale: Inspecting the skin for bruising or petechiae is specific to thrombocytopenia, as petechiae are small, red or purple dots that appear on the skin when platelet count is low, indicating a bleeding tendency.
Question 4 of 5
A patient reports leg pain that awakens the patient at night. The patient reports that the same pain develops in the legs when they are elevated and disappears when the legs are dangled. Which condition would the nurse suspect?
Correct Answer: A
Rationale: Peripheral arterial disease causes leg pain worsened by elevation and relieved by dangling, due to reduced blood flow from arterial narrowing.
Question 5 of 5
The nurse suspects that a patient has polycythemia vera based on which finding in the patient's laboratory reports? Select all that apply.
Correct Answer: C,D
Rationale: Increased hemoglobin and red blood cell levels are hallmark features of polycythemia vera, characterized by excessive red blood cell production.