HESI LPN
HESI CAT Exam
1. Which techniques should be used to administer an intradermal (ID) injection for a Mantoux test to screen for tuberculosis (TB)? Select all that apply.
- A. Observe for an intradermal bleed after the antigen is injected
- B. Select an ID site using the volar surface of the forearm
- C. Use a 26 or 27-gauge needle with a length of 1/4 to 5/8 inches on a 1 ml calibrated syringe
- D. Ensure that the needle is inserted into the skin with the bevel up
Correct answer: A
Rationale: Observing for an intradermal bleed after the antigen is injected is a proper technique for an ID injection. This is important to confirm the correct placement of the injection. Choice B is correct because the recommended site for an ID injection for a Mantoux test is the volar surface of the forearm. Choice C is incorrect because the standard needle size for an ID injection is usually 26 or 27 gauge with a length of 1/4 to 5/8 inches, not 25 gauge with a length of 1/2 inch. Choice D is incorrect because the needle should be inserted into the skin with the bevel facing up, not down.
2. While teaching a young male adult to use an inhaler for his newly diagnosed asthma, the client stares into the distance and appears to be concentrating on something other than the lesson the nurse is presenting. What action should the nurse take?
- A. Remind the client of the importance of using a rescue inhaler for asthma management
- B. Leave the client alone to process his thoughts about the inhaler
- C. Ask the client what he is thinking about at that moment
- D. Pause and inquire if the client has any questions or needs clarification
Correct answer: C
Rationale: In this scenario, the most appropriate action for the nurse to take is to ask the client what he is thinking about at that moment. By doing so, the nurse can understand the client's concerns or distractions, which can then be addressed effectively during the teaching session. Option A is incorrect as it assumes the client is not paying attention due to forgetfulness about the importance of the inhaler, which may not be the case. Option B is incorrect because leaving the client alone without addressing the issue does not facilitate effective learning. Option D, although closer, does not directly address the client's distraction and may not uncover the underlying issue causing the lack of focus.
3. In Duchenne muscular dystrophy, if a child has a Gower sign, what behavior should the nurse expect the child to exhibit?
- A. Stands from sitting on the floor by using hands to walk up legs
- B. Exhibits muscular atrophy of upper and lower extremities
- C. Is unable to stand because of contractures of both hips
- D. Walks with an unsteady gait and slaps feet on the floor
Correct answer: A
Rationale: The Gower sign is a characteristic finding in Duchenne muscular dystrophy where a child uses hands to walk up the legs when standing from a sitting position due to proximal muscle weakness. This behavior is indicative of the child trying to compensate for weak hip and thigh muscles. Choices B, C, and D are incorrect because they do not describe the specific behavior associated with the Gower sign. Muscular atrophy, contractures of both hips, and an unsteady gait with foot slapping are not directly related to the Gower sign.
4. The nurse plans to collect a 24-hour urine specimen for a creatinine clearance test. Which instruction should the nurse provide to the adult male client?
- A. Urinate at the specified time, discard this urine, and collect all subsequent urine over the next 24 hours.
- B. Cleanse around the meatus, discard the first portion of voiding, and collect the rest in a sterile bottle.
- C. For the next 24 hours, notify the nurse when the bladder is full, and the nurse will collect catheterized specimens.
- D. Urinate immediately into a urinal, and the lab will collect the specimen every 6 hours for the next 24 hours.
Correct answer: A
Rationale: The correct instruction for the adult male client to follow when collecting a 24-hour urine specimen for a creatinine clearance test is to urinate at the specified time, discard this urine, and collect all subsequent urine over the next 24 hours. This method ensures proper collection for an accurate creatinine clearance measurement. Choice B is incorrect as it describes a different procedure for a clean-catch urine sample, not suitable for creatinine clearance. Choice C is incorrect as it suggests catheterization, which is not typically done for a creatinine clearance test, and it is not necessary for this procedure. Choice D is incorrect as it does not follow the standard procedure for a 24-hour urine collection for creatinine clearance; the urine should be collected continuously over 24 hours, not at specified intervals.
5. A male client with hypertension, who received new antihypertensive prescriptions at his last visit returns to the clinic two weeks later to evaluate his blood pressure (BP). His BP is 158/106 mmHg and he admits that he has not been taking the prescribed medication because the drugs make him feel bad. In explaining the need for hypertension control, the nurse should stress that an elevated BP places the client at risk for which pathophysiological condition?
- A. Stroke secondary to hemorrhage
- B. Acute kidney injury due to glomerular damage
- C. Heart block due to myocardial damage
- D. Blindness secondary to cataracts
Correct answer: A
Rationale: The correct answer is A: Stroke secondary to hemorrhage. Hypertension increases the risk of stroke due to the stress and damage it causes to blood vessels, which can lead to hemorrhage. Choice B is incorrect because acute kidney injury is more commonly associated with chronic uncontrolled hypertension, not acute elevations. Choice C is incorrect as heart block is not a direct consequence of hypertension. Choice D is incorrect as hypertension does not directly cause cataracts leading to blindness.
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