Practice HESI Fundamentals Exam

Correct Answer: A

Rationale: To calculate the dose, first convert the weight from pounds to kilograms. The child weighs 66 lb, which is approximately 30 kg. The prescribed dose is 0.5 mg/kg, so for a 30 kg child, the dose would be 0.5 mg/kg x 30 kg = 15 mg. Since the available ketorolac injection is 30 mg/mL, the nurse should administer 15 mg � 30 mg/mL = 0.5 mL per dose. Therefore, choice A (0.5 mL) is the correct answer. Choices B, C, and D are incorrect as they do not accurately calculate the correct dose based on the child's weight and the concentration of the ketorolac injection.

Correct Answer: A

Rationale: The correct nursing action to prevent injury to a client's eye during the administration of eye drops is to hold the tip of the container above the conjunctival sac. This technique helps to prevent direct contact between the container and the eye, reducing the risk of injury. Rinsing the eye with saline before administration (Choice B) is not a standard practice and may not necessarily prevent injury. Placing the client in a supine position (Choice C) is not directly related to preventing eye injury during eye drop administration. Pressing gently on the lower eyelid to open the eye (Choice D) is not recommended as it can potentially cause injury or discomfort to the client.

Correct Answer: C

Rationale: Shortness of breath in a client with a history of hypertension is a critical assessment finding as it may indicate heart failure, pulmonary edema, or other severe complications. The development of shortness of breath suggests that the client's condition may be rapidly deteriorating and requires immediate medical attention. Elevated blood pressure (150/90 mmHg) is concerning but not as acute as the potential complications associated with shortness of breath. An irregular heart rate and headache can also be symptoms of hypertension, but in this scenario, shortness of breath poses a higher risk of severe cardiovascular or respiratory issues.

Correct Answer: B

Rationale: Cleaning the perineal area with antiseptic solution daily is essential to prevent infection when caring for a client with an indwelling urinary catheter. This practice helps reduce the risk of introducing pathogens into the urinary tract. Ensuring the catheter tubing is free of kinks (Choice A) is important for maintaining proper urine flow but is not directly related to preventing infection. Irrigating the catheter with normal saline every shift (Choice C) is not a routine practice and can increase the risk of introducing pathogens. Securing the catheter to the client's leg (Choice D) is important for stability but does not directly prevent infection.

Correct Answer: B

Rationale: In a client with moderate persistent asthma experiencing a drop in peak flow and chest tightness post-operatively, the first action the nurse should take is to administer the PRN dose of Albuterol. Albuterol is a short-acting bronchodilator that helps relieve bronchospasm and improve breathing. Notifying the healthcare provider (choice A) can be done after initiating immediate treatment with Albuterol. Applying oxygen (choice C) may be necessary but addressing the bronchospasm with Albuterol is the priority. Repeating the peak flow reading (choice D) can be considered after administering Albuterol to assess the response to treatment.