HESI LPN
CAT Exam Practice
1. Which intervention should the nurse include in a long-term plan of care for a client with Chronic Obstructive Pulmonary Disease (COPD)?
- A. Reduce risk factors for infection
- B. Administer high-flow oxygen during sleep
- C. Limit fluid intake to reduce secretions
- D. Use diaphragmatic breathing to achieve better exhalation
Correct answer: D
Rationale: The correct answer is D. Diaphragmatic breathing is a beneficial intervention for clients with COPD as it helps improve breathing efficiency and manage symptoms by promoting better air exchange in the lungs. It aids in achieving better exhalation, reducing air trapping, and enhancing overall lung function. Choices A, B, and C are incorrect. While reducing risk factors for infection is important for overall health, it is not a specific long-term intervention for COPD. Administering high-flow oxygen during sleep may be necessary in some cases but is not typically a long-term strategy for managing COPD. Limiting fluid intake to reduce secretions is not recommended as hydration is essential for individuals with COPD to maintain optimal respiratory function and prevent complications like mucus plugs.
2. 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.
3. A female client tells the clinic nurse that she has doubts about binge eating but cannot make herself vomit after meals. Which action by the nurse provides data to support the suspected diagnosis of bulimia?
- A. Ask the client to complete a food diary for the last 3 days
- B. Review the client’s lab data to determine her TSH, T3, and T4 levels
- C. Interview the client about her use of laxatives and diuretics
- D. Encourage the client to describe her daily exercise regimen
Correct answer: C
Rationale: Inquiring about laxative and diuretic use helps confirm bulimia as these are common behaviors associated with the disorder. Asking the client to complete a food diary (Choice A) may provide information on eating patterns but does not directly support the diagnosis of bulimia. Reviewing lab data (Choice B) for thyroid function is not specific to bulimia. Encouraging the client to describe her exercise regimen (Choice D) may be relevant for overall health assessment but does not specifically address bulimia symptoms.
4. The nurse is demonstrating wound care to a client following abdominal surgery. In what order should the nurse teach the technique?
- A. Remove old dressing using clean gloves. Discard gloves with old dressing
- B. Moisten sterile gauze with normal saline. Clean wound from least contaminated area to most contaminated area
- C. Apply sterile gauze dressing to wound area
- D. Secure dressing with tape
Correct answer: A
Rationale: The correct order ensures proper aseptic technique and wound care to prevent infection. The first step is to remove the old dressing using clean gloves to prevent contamination. Discarding the gloves with the old dressing helps maintain cleanliness. Choices B, C, and D are incorrect because cleaning the wound, applying a new dressing, and securing it should come after removing the old dressing to maintain asepsis and prevent infection.
5. A male client with angina pectoris is being discharged from the hospital. What instructions should the nurse plan to include in the discharge teaching?
- A. Engage in physical exercise before eating to help decrease cholesterol levels.
- B. Avoid walking briskly in cold weather to prevent a decrease in cardiac output.
- C. Keep nitroglycerin in a light-colored plastic bottle and readily available.
- D. Avoid all isometric exercises, but walk regularly.
Correct answer: C
Rationale: The correct answer is to keep nitroglycerin in a light-colored container and readily available. Nitroglycerin should be protected from light to maintain its effectiveness. Option A is incorrect because physical exercise immediately before eating can trigger angina. Option B is incorrect as cold weather can exacerbate angina symptoms. Option D is incorrect as isometric exercises can increase the workload on the heart, which is not recommended for individuals with angina.
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