HESI RN
HESI Fundamentals Practice Test
1. The healthcare provider plans to administer diazepam, 4 mg IV push, to a client with severe anxiety. How many milliliters should the healthcare provider administer? (Round to the nearest tenth.)
- A. 0.2 mL
- B. 0.8 mL
- C. 1.25 mL
- D. 2.0 mL
Correct answer: B
Rationale: To calculate the volume to administer, use the formula (1 mL × 4 mg) / 5 mg = 0.8 mL. The healthcare provider should administer 0.8 mL of diazepam for a dosage of 4 mg IV push. Choice A is incorrect because it results from an incorrect calculation. Choices C and D are incorrect as they do not align with the correct calculation based on the provided dosage.
2. The healthcare provider is assessing a client with a diagnosis of pneumonia. Which assessment finding is most concerning?
- A. Coarse crackles in the lungs.
- B. Fever of 101.2°F (38.4°C).
- C. Productive cough with yellow sputum.
- D. Respiratory rate of 28 breaths per minute.
Correct answer: D
Rationale: A respiratory rate of 28 breaths per minute (D) is most concerning because it indicates respiratory distress and requires immediate intervention. While coarse crackles (A), fever (B), and productive cough (C) are common findings in pneumonia, a high respiratory rate signifies a more severe condition that needs prompt attention to prevent respiratory failure. Monitoring the respiratory rate is crucial in assessing the severity of respiratory distress in pneumonia, as it can rapidly progress to respiratory failure if not managed promptly.
3. The healthcare provider is caring for a client diagnosed with type 2 diabetes mellitus. Which intervention should the healthcare provider implement to assess the client’s glycemic control?
- A. Monitor fasting blood glucose levels
- B. Check urine for ketones
- C. Evaluate hemoglobin A1c levels
- D. Assess the client’s dietary intake
Correct answer: C
Rationale: Evaluating hemoglobin A1c levels is the most appropriate intervention to assess glycemic control in a client with type 2 diabetes mellitus. Hemoglobin A1c levels reflect the average blood glucose control over the past 2-3 months, providing valuable information for monitoring and managing diabetes. Monitoring fasting blood glucose levels (Choice A) is important for daily management but does not provide a long-term view like hemoglobin A1c. Checking urine for ketones (Choice B) is more relevant for assessing diabetic ketoacidosis. Assessing dietary intake (Choice D) is crucial for overall diabetes management but does not directly assess glycemic control.
4. By rolling contaminated gloves inside-out, the healthcare professional is affecting which step in the chain of infection?
- A. Mode of transmission
- B. Portal of entry
- C. Reservoir
- D. Portal of exit
Correct answer: A
Rationale: When contaminated gloves are rolled inside-out, they are serving as a mode of transmission by carrying pathogens from the reservoir's portal of exit to a new portal of entry. This action increases the risk of transmitting infections from one person to another, emphasizing the importance of proper glove removal techniques to prevent the spread of pathogens. Choices B, C, and D are incorrect in this context. Portal of entry refers to the route through which a pathogen enters a susceptible host, reservoir is the habitat where the pathogen lives, grows, and multiplies, and portal of exit is the path through which a pathogen leaves its host.
5. Why is it most important to start intravenous infusions in the upper extremities rather than the lower extremities of adults?
- A. Superficial veins are more easily found in the feet and ankles.
- B. A decreased flow rate could lead to thrombosis formation.
- C. It is more challenging to move a cannulated extremity when using the leg or foot.
- D. Veins in the feet and ankles are located deep, making the procedure more painful.
Correct answer: B
Rationale: The most critical reason for initiating intravenous infusions in the upper extremities of adults is to reduce the risk of thrombosis (B). Venous return is typically better in the upper extremities, decreasing the likelihood of thrombus formation, which could be life-threatening if dislodged. Although superficial veins are easily found in the feet and ankles (A), this is not the primary reason for choosing the upper extremities. Handling a leg or foot with an IV (C) is not significantly more challenging than handling an arm or hand. The depth of veins in the feet and ankles (D) does not primarily determine the site for IV placement.
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