HESI LPN
CAT Exam Practice Test
1. While changing a client’s chest tube dressing, the nurse notes a crackling sensation when gentle pressure is applied to the skin at the insertion site. What is the best action for the nurse to take?
- A. Apply a pressure dressing around the chest tube insertion site
- B. Assess the client for allergies to topical cleaning agents
- C. Measure the area of swelling and crackling
- D. Administer an oral antihistamine per PRN protocol
Correct answer: A
Rationale: A crackling sensation indicates subcutaneous emphysema, caused by air trapped under the skin. Applying a pressure dressing around the chest tube insertion site can help manage the issue by preventing further air leakage into the tissues. Choice B is incorrect because the crackling sensation is not related to allergies. Choice C is incorrect as measuring the area does not address the underlying cause. Choice D is incorrect as administering an oral antihistamine is not indicated for subcutaneous emphysema.
2. A 70-year-old client is admitted to the hospital after 24 hours of acute diarrhea. To determine fluid status, which initial data is most important for the nurse to obtain?
- A. Usual and current weight
- B. Color and amount of urine
- C. Number and frequency of stools
- D. Intake and output 24 hours prior to admission
Correct answer: A
Rationale: The correct answer is A: Usual and current weight. Weight changes are the most direct indicator of fluid status in a patient with acute diarrhea. Monitoring weight loss or gain can provide crucial information about fluid balance. Option B, color and amount of urine, though important for assessing renal function, is not as direct an indicator of fluid status as weight. Option C, number and frequency of stools, is relevant for assessing the severity of diarrhea but does not provide direct information on fluid status. Option D, intake and output 24 hours prior to admission, does not reflect the current fluid status and may not be accurate in a rapidly changing condition like acute diarrhea.
3. After receiving a report on an inpatient acute care unit, which client should the nurse assess first?
- A. The client with bowel obstruction due to a volvulus who is experiencing abdominal rigidity
- B. The client who had surgery yesterday and is experiencing a paralytic ileus with absent bowel sounds
- C. The client with an obstruction of the large intestine who is experiencing abdominal distention
- D. The client with a small bowel obstruction who has a nasogastric tube that is draining greenish fluid
Correct answer: A
Rationale: The correct answer is A. Abdominal rigidity in a client with bowel obstruction due to a volvulus indicates possible complications and requires immediate assessment. Choice B is incorrect because although a paralytic ileus with absent bowel sounds is concerning, abdominal rigidity in a client with a volvulus takes priority. Choice C is incorrect as abdominal distention, though indicative of an obstruction, is not as urgent as the sign of abdominal rigidity. Choice D is incorrect as the drainage of greenish fluid from a nasogastric tube in a client with a small bowel obstruction, while concerning, does not present as immediate a threat as the abdominal rigidity in a client with a volvulus.
4. After undergoing an uncomplicated gastric bypass surgery, a client is experiencing difficulty managing their diet. What dietary instruction is most important for the nurse to explain to the client?
- A. Chew food slowly and thoroughly before attempting to swallow
- B. Plan volume-controlled evenly spaced meals throughout the day
- C. Sip fluid slowly with each meal and between meals
- D. Eliminate or reduce intake of fatty and gas-forming foods
Correct answer: A
Rationale: The correct answer is A. Thoroughly chewing food is crucial for clients who have undergone gastric bypass surgery to aid in digestion and prevent complications. Proper chewing helps break down food into smaller particles, making it easier for the digestive system to process. This instruction is essential to prevent issues such as food blockages or inadequate nutrient absorption. Choices B and C are also important for post-gastric bypass clients to maintain proper nutrition and hydration, but they are not as critical as ensuring thorough chewing. Choice D addresses dietary concerns but is not as immediately crucial as ensuring the client chews food properly to support digestion and prevent complications.
5. Two weeks following a Billroth II (gastrojejunostomy), a client develops nausea, diarrhea, and diaphoresis after every meal. When the nurse develops a teaching plan for this client, which expected outcome statement is the most relevant?
- A. Describes a schedule for antacid use in combination with other prescribed medications
- B. Selects a pattern of small meals interspersed with fluid intake
- C. Commits to engaging in a variety of stress reduction techniques
- D. Expresses a commitment to decrease nicotine intake
Correct answer: B
Rationale: The symptoms described are indicative of dumping syndrome, a common complication following a Billroth II procedure. Dumping syndrome presents with symptoms such as nausea, diarrhea, and diaphoresis after meals. To manage these symptoms effectively, the client should opt for small, frequent meals and avoid consuming fluids along with meals. Choice A is inaccurate because antacid use does not directly address the symptoms of dumping syndrome. Choice C is irrelevant as stress reduction techniques are not the primary intervention for dumping syndrome. Choice D is unrelated to the symptoms experienced by the client, making it an inappropriate choice.
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