HESI RN
HESI Med Surg Hematological system Questions
Extract:
Question 1 of 5
The blood pressure (BP) of a 71-year-old patient admitted with pneumonia is 160/70 mm Hg. Which age-related change contributes to this finding?
Correct Answer: D
Rationale: Loss of elasticity in arterial vessels due to aging causes increased systolic blood pressure, as seen in the 160/70 mm Hg reading.
Question 2 of 5
Which explanation will the nurse give a patient with non-Hodgkin lymphoma about the purpose of a planned lumbar puncture?
Correct Answer: D
Rationale: A lumbar puncture in non-Hodgkin lymphoma is used to detect central nervous system involvement by examining cerebrospinal fluid for lymphoma cells.
Question 3 of 5
Which goal is a primary objective for a patient who has chronic heart failure (HF)?
Correct Answer: A
Rationale: Maximizing cardiac output is a primary goal for patients with chronic heart failure (HF) because it helps improve tissue perfusion and oxygen delivery to meet the body's demands. It is a crucial aspect of managing heart failure and preventing further complications.
Question 4 of 5
Which rationale supports the nurse's assessment of a patient's magnesium level?
Correct Answer: C
Rationale: Magnesium plays a crucial role in neuromuscular excitability and contractility. Abnormal magnesium levels can lead to neuromuscular symptoms such as muscle weakness, tremors, and spasms, and affect cardiac function.
Question 5 of 5
The nurse is teaching a patient about the administration of liquid iron supplements. Which response by the patient indicates the need for additional teaching?
Correct Answer: C
Rationale: Taking iron supplements with meals decreases absorption, indicating a need for further teaching; iron should be taken on an empty stomach or with vitamin C.