a nurse is preparing to insert an iv catheter into a clients arm prior to initiating iv fluid therapy which of the following interventions should the

HESI LPN

HESI Fundamental Practice Exam

1. A healthcare professional is preparing to insert an IV catheter into a client’s arm prior to initiating IV fluid therapy. Which of the following interventions should the healthcare professional implement to prevent infection?

A. Thread the catheter up to the hub
B. Use a sterile technique throughout the procedure
C. Clean the insertion site with alcohol only
D. Use gloves but not a mask during the procedure

Correct answer: B

Rationale: Using a sterile technique throughout the procedure is essential to prevent infection when inserting an IV catheter. This includes maintaining aseptic conditions, using sterile equipment, and following proper hand hygiene practices. Choice A is incorrect because threading the catheter up to the hub does not specifically address infection prevention. Choice C is incorrect as cleaning the insertion site with alcohol only may not provide adequate disinfection, as it is essential to use an antiseptic solution to reduce microbial load. Choice D is incorrect as wearing gloves alone is not sufficient protection against infection; a mask should also be worn to prevent the spread of microorganisms through respiratory secretions.

2. When initiating cardiopulmonary resuscitation (CPR), what assessment finding must the healthcare provider confirm before beginning chest compressions?

A. Absence of a pulse
B. Presence of a pulse
C. Respiratory rate
D. Blood pressure

Correct answer: A

Rationale: The correct answer is A: Absence of a pulse. Prior to initiating chest compressions during CPR, it is essential to confirm the absence of a pulse. Chest compressions are indicated when there is no detectable pulse as it signifies cardiac arrest. Checking for a pulse is a critical step to ensure that CPR is performed on individuals who truly require it. Choices B, C, and D are incorrect because focusing on the presence of a pulse, respiratory rate, or blood pressure before starting chest compressions can delay life-saving interventions in a person experiencing cardiac arrest.

3. A patient uses an in-the-canal hearing aid. Which assessment is a priority?

A. Eyeglass usage
B. Cerumen buildup
C. Type of physical exercise
D. Excessive moisture problems

Correct answer: B

Rationale: When a patient uses an in-the-canal hearing aid, cerumen buildup is a critical issue that needs to be regularly assessed. Cerumen can easily block the sound passage and affect the functionality of the hearing aid. Assessing and managing cerumen buildup is a priority to ensure the proper functioning of the hearing aid. Eyeglass usage, type of physical exercise, and excessive moisture problems are not directly related to the specific issue of cerumen buildup in in-the-canal hearing aids, making them lower priority assessments in this context.

4. The nurse is assessing a 17-year-old female client with bulimia. Which of the following laboratory reports would the nurse anticipate?

A. Increased serum glucose
B. Decreased albumin
C. Decreased potassium
D. Increased sodium retention

Correct answer: C

Rationale: The correct answer is C, 'Decreased potassium.' Clients with bulimia often have decreased potassium levels due to frequent vomiting, which causes a loss of this essential electrolyte. This loss can lead to various complications such as cardiac arrhythmias. Option A, 'Increased serum glucose,' is not typically associated with bulimia. Option B, 'Decreased albumin,' is more related to malnutrition or liver disease rather than bulimia. Option D, 'Increased sodium retention,' is not a common finding in clients with bulimia; instead, they may experience electrolyte imbalances like hyponatremia due to purging behaviors.

5. A nurse is preparing to administer ketorolac 0.5 mg/kg IV bolus every 6 hr to a school-age child who weighs 66 lb. The available ketorolac injection is 30 mg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

A. 0.5 mL
B. 1 mL
C. 1.5 mL
D. 2 mL

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.