HESI LPN
Medical Surgical HESI
1. While planning care for a client with carpal tunnel syndrome, the nurse identifies a collaborative problem of pain. What is the etiology of this problem?
- A. Irritation of nerve endings
- B. Diminished blood flow
- C. Ischemic tissue changes
- D. Compression of a nerve
Correct answer: D
Rationale: The correct answer is D: Compression of a nerve. In carpal tunnel syndrome, pain arises from the compression of the median nerve within the carpal tunnel. This compression leads to symptoms such as pain, numbness, and tingling in the hand and arm. Choices A, B, and C are incorrect because carpal tunnel syndrome pain is primarily caused by the physical compression of the nerve, rather than irritation of nerve endings, diminished blood flow, or ischemic tissue changes.
2. Which pathology is associated with an asthma condition?
- A. Chronic dilation and inflammation of the bronchi.
- B. Recurrent spasms of the airways accompanied by edema and mucus production.
- C. Progressive loss of lung function due to destruction of alveolar walls.
- D. Infection of the lung parenchyma.
Correct answer: B
Rationale: The correct answer is B: Recurrent spasms of the airways accompanied by edema and mucus production. Asthma is characterized by bronchospasms, inflammation, swelling of the airways, and increased mucus production. This leads to airway constriction, making it difficult to breathe. Choices A, C, and D do not represent the typical pathology seen in asthma. Chronic dilation and inflammation of the bronchi (Choice A) is more characteristic of bronchiectasis, progressive loss of lung function due to destruction of alveolar walls (Choice C) is seen in conditions like emphysema, and infection of the lung parenchyma (Choice D) is more related to conditions like pneumonia.
3. A client admitted to a surgical unit is being evaluated for an intestinal obstruction. The HCP prescribes an NG tube to be inserted and placed on intermittent low wall suction. Which intervention should the nurse implement to facilitate proper tube placement?
- A. Soak the NG tube in warm water
- B. Insert the tube with the client's head tilted back
- C. Apply suction while inserting the tube
- D. Elevate the head of the bed 60 to 90 degrees
Correct answer: D
Rationale: Elevating the head of the bed 60 to 90 degrees is the correct intervention to facilitate proper placement of the NG tube. This position helps to use gravity to guide the tube smoothly into the gastrointestinal tract. Soaking the NG tube in warm water (Choice A) is not necessary for proper placement. Inserting the tube with the client's head tilted back (Choice B) can cause discomfort and may lead to improper placement. Applying suction while inserting the tube (Choice C) is not recommended as it can cause trauma to the nasal passages and esophagus.
4. In planning care for a postoperative client with hypovolemic shock, which problem is most important to include in the plan of care?
- A. Risk for infection.
- B. Risk for falls.
- C. Impaired skin integrity.
- D. Activity intolerance.
Correct answer: B
Rationale: The correct answer is B: Risk for falls. In a postoperative client with hypovolemic shock, the most crucial problem to address is the risk for falls. Hypovolemic shock can result in dizziness and weakness, making the client prone to falling. Preventing falls is essential to avoid further injury or complications. Choices A, C, and D are not the top priority in this scenario. While infection, impaired skin integrity, and activity intolerance are important concerns, preventing falls takes precedence due to the immediate risk of injury associated with hypovolemic shock.
5. How are type IV hypersensitivity reactions different from all other types (I, II, or III) of hypersensitivity reactions?
- A. They involve antigen-antibody complexes.
- B. They are mediated by T cells and do not involve antibodies.
- C. They result in immediate allergic reactions.
- D. They are the least severe form of hypersensitivity.
Correct answer: B
Rationale: Type IV hypersensitivity reactions are mediated by T cells and cytokine release, leading to delayed reactions, unlike types I, II, and III, which involve antibodies. Choice A is incorrect because type IV reactions do not involve antigen-antibody complexes. Choice C is incorrect as type IV reactions do not result in immediate allergic reactions. Choice D is incorrect as type IV reactions are not the least severe form of hypersensitivity; in fact, they are known to cause significant tissue damage and inflammation.
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