HESI LPN
CAT Exam Practice
1. The nurse is assessing a client with Addison's disease who is weak, dizzy, disoriented, and has dry oral mucous membranes, poor skin turgor, and sunken eyes. Vital signs are blood pressure 94/44, heart rate 123 beats/minute, respiration 22 breaths/minute. Which intervention should the nurse implement first?
- A. Assess extremity strength and resistance
- B. Report a sodium level of 132 mEq/L or mmol/L (SI units)
- C. Measure and record the cardiac QRS complex
- D. Check current finger stick glucose
Correct answer: D
Rationale: The client’s symptoms suggest possible adrenal crisis or hypoglycemia. Checking glucose is a priority to rule out hypoglycemia, which requires immediate intervention. The client is presenting with symptoms indicative of hypoglycemia, which can be life-threatening if not promptly addressed. Assessing extremity strength, reporting sodium levels, or measuring the cardiac QRS complex are not the most urgent actions in this scenario.
2. When assessing a client with acute asthma, the nurse is most likely to obtain which finding?
- A. Pursed lip breathing and clubbing of fingers
- B. Fever and a high-pitched inspiratory stridor
- C. A short expiratory phase and hemoptysis
- D. Cough and musical breath sounds on expiration
Correct answer: D
Rationale: When assessing a client with acute asthma, a cough and wheezing or musical breath sounds on expiration are typical findings. Pursed lip breathing and clubbing of fingers (choice A) are not common in acute asthma but could be seen in chronic respiratory conditions. Fever and high-pitched inspiratory stridor (choice B) are more indicative of croup or epiglottitis. A short expiratory phase and hemoptysis (choice C) are not typical findings in acute asthma.
3. An older male was recently admitted to the rehabilitation unit with unilateral neglect syndrome as a result of a cerebrovascular accident (CVA). Which action should the nurse include in the plan of care?
- A. Provide additional light in the room to promote sensory stimulation
- B. Teach the client to turn his head from side to side for visual scanning
- C. Place a clock and calendar in the room to improve orientation
- D. Use hand and arm gestures to improve communication and comprehension
Correct answer: B
Rationale: Teaching the client to turn his head from side to side for visual scanning is essential in addressing unilateral neglect syndrome caused by a cerebrovascular accident. This action helps improve visual awareness and assists the client in overcoming the neglect of one side of the body. Providing additional light for sensory stimulation (Choice A) may not directly address the issue of unilateral neglect. Placing a clock and calendar in the room (Choice C) may be helpful for orientation but does not specifically target unilateral neglect. Using hand and arm gestures for communication (Choice D) may aid in communication but does not directly address the visual scanning deficits associated with unilateral neglect syndrome.
4. 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.
5. The nurse should explain to a client with lung cancer that pleurodesis is performed to achieve which expected outcome?
- A. Debulk tumor to maintain patency of air passages
- B. Relieve empyema after pneumonectomy
- C. Prevent the formation of effusion fluid
- D. Remove fluid from the intrapleural space
Correct answer: C
Rationale: The correct answer is C. Pleurodesis is a procedure used to prevent the re-accumulation of pleural effusion by creating adhesion between the pleurae. This helps prevent the formation of effusion fluid. Choices A, B, and D are incorrect because pleurodesis is not performed to debulk tumors, relieve empyema after pneumonectomy, or remove fluid from the intrapleural space. Understanding the purpose of pleurodesis is essential in providing accurate patient education and care.
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