HESI RN
HESI Med Surg Hematological system Questions
Extract:
Question 1 of 5
Which phrase describes the function of a buffer?
Correct Answer: C
Rationale: Buffers convert strong acids to weak acids by neutralizing them, helping maintain stable pH in bodily fluids.
Question 2 of 5
The nurse provides education regarding daily activities to a patient with thrombocytopenia. Which activity identified by the patient indicates understanding of the teaching?
Correct Answer: B
Rationale: Shaving using an electric razor reduces the risk of cuts and bleeding, appropriate for a patient with thrombocytopenia due to low platelet counts.
Question 3 of 5
Which component forms an adhesive bridge between platelets and vascular subendothelial structures in the clotting process?
Correct Answer: C
Rationale: Von Willebrand factor forms an adhesive bridge between platelets and vascular subendothelial structures, crucial for hemostasis at sites of vascular injury.
Question 4 of 5
The nurse notes that a patient has a smooth and shiny tongue surface. The nurse would attribute these findings to which condition?
Correct Answer: C
Rationale: Pernicious anemia causes glossitis, leading to a smooth and shiny tongue surface due to vitamin B12 deficiency.
Question 5 of 5
A patient's blood pressure (BP) reading is 142/91 mm Hg. How would the nurse classify the BP?
Correct Answer: C
Rationale: A BP of 142/91 mm Hg is classified as stage 1 hypertension, with systolic 140-159 mm Hg or diastolic 90-99 mm Hg.