HESI LPN
HESI CAT Exam 2022
1. After 2 days of treatment for dehydration, a child continues to vomit and have diarrhea. Normal saline is infusing, and the child’s urine output is 50ml/hour. During morning assessment, the nurse determines that the child is lethargic and difficult to arouse. Which action should the nurse implement?
- A. Perform a finger stick glucose test
- B. Increase the IV fluid flow rate
- C. Review 24-hour intake and output
- D. Obtain arterial blood gases
Correct answer: A
Rationale: Lethargy and difficulty arousing may indicate hypoglycemia, which should be assessed before other actions. Performing a finger stick glucose test is crucial to evaluate the child's blood sugar levels and address hypoglycemia promptly. Increasing the IV fluid flow rate is not indicated without knowing the glucose status. Reviewing 24-hour intake and output is important but not the priority when lethargy and difficulty arousing are present. Obtaining arterial blood gases is not the primary assessment needed in this situation.
2. A woman with an anxiety disorder calls her obstetrician’s office and tells the nurse of increased anxiety since the normal vaginal delivery of her son three weeks ago. Since she is breastfeeding, she stopped taking her antianxiety medications, but thinks she may need to start taking them again because of her increased anxiety. What response is best for the nurse to provide this woman?
- A. Describe the safety of certain antianxiety medications during breastfeeding
- B. Encourage her to consider stress-relieving alternatives, such as deep breathing exercises
- C. Inform her that some antianxiety medications are safe to take while breastfeeding
- D. Explain that anxiety is a common response for the mother of a 3-week-old
Correct answer: C
Rationale: The correct answer is C. Some antianxiety medications are considered safe for use while breastfeeding, and the nurse should provide this information to alleviate the woman's concerns. Choice A has been corrected to focus on the safety of certain antianxiety medications during breastfeeding, which is more accurate. Choice B suggests stress-relieving alternatives, which may help but do not address the need for antianxiety medication if required. Choice D is incorrect because it minimizes the woman's concerns by dismissing her increased anxiety as a normal response.
3. The nurse is planning to assess a client's oxygen saturation to determine if additional oxygen is needed via nasal cannula. The client has bilateral below-the-knee amputations and weak, thread pedal pulses. What action should the nurse take?
- A. Document that an accurate oxygen saturation reading cannot be obtained
- B. Elevate the client's hands for five minutes prior to obtaining a reading from the finger
- C. Increase the oxygen based on the client's breathing patterns and lung sounds
- D. Place the oximeter clip on the earlobe to obtain the oxygen saturation reading
Correct answer: D
Rationale: Placing the oximeter clip on the earlobe is appropriate for clients with poor peripheral circulation, such as those with weak and thread pedal pulses due to bilateral below-the-knee amputations. This placement can provide a more accurate reading of oxygen saturation in such clients. Choice A is incorrect because alternative methods, such as earlobe placement, can be used to obtain accurate readings. Choice B is unnecessary and not related to obtaining an accurate oxygen saturation reading. Choice C is incorrect because increasing oxygen without assessing the oxygen saturation level first can be detrimental and is not based on evidence-based practice.
4. The client who had a below-the-knee (BKA) amputation is being prepared for discharge to home. Which recommendation should the nurse provide this client?
- A. Inspect skin for redness
- B. Use a residual limb shrinker
- C. Apply alcohol to the stump after bathing
- D. Wash the stump with soap and water
Correct answer: D
Rationale: The correct recommendation for a client with a below-the-knee amputation preparing for discharge is to wash the stump with soap and water. This helps maintain cleanliness and prevent infection. Inspecting the skin for redness is important to monitor for signs of infection, but it is not a specific recommendation for a BKA amputation. Using a residual limb shrinker can aid in shaping and reducing swelling in the residual limb but is not usually done immediately after a BKA amputation. Applying alcohol to the stump after bathing is not recommended as it can lead to skin irritation and dryness.
5. Identify the placement of the stapes footplate into the bony labyrinth.
- A. Fenestra vestibuli
- B. Fenestra cochleae
- C. Tympanic membrane
- D. Round window
Correct answer: A
Rationale: The correct answer is A: Fenestra vestibuli. The stapes footplate is placed into the fenestra vestibuli of the bony labyrinth. This structure is also known as the oval window and is located at the junction of the middle ear and inner ear. Choice B, Fenestra cochleae, is incorrect as this opening is also known as the round window and is located near the base of the cochlea. Choice C, Tympanic membrane, is incorrect as it is also known as the eardrum and separates the external ear from the middle ear. Choice D, Round window, is incorrect as it is the opening covered by the secondary tympanic membrane and is important for the dissipation of sound waves in the cochlea.
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