ATI LPN
Medical Surgical ATI Proctored Exam
1. A client with a history of deep vein thrombosis (DVT) is receiving warfarin (Coumadin). Which laboratory value indicates a therapeutic effect of the medication?
- A. INR of 2.5.
- B. PTT of 45 seconds.
- C. Hemoglobin of 12 g/dL.
- D. Platelet count of 150,000/mm³.
Correct answer: A
Rationale: An INR (International Normalized Ratio) of 2.5 indicates a therapeutic level for clients receiving warfarin (Coumadin) to prevent thromboembolism. It is essential to monitor INR levels regularly when on warfarin therapy to ensure that the blood's ability to clot is within the desired range to prevent both clotting and excessive bleeding.
2. When working with a client who has chronic constipation, what should be included in client teaching to promote normal bowel function?
- A. Use glycerin suppositories on a regular basis
- B. Limit physical activity in order to promote bowel peristalsis
- C. Consume high-residue, high-fiber foods
- D. Resist the urge to defecate until the urge becomes intense
Correct answer: C
Rationale: Consuming high-residue, high-fiber foods is essential in promoting normal bowel function and preventing constipation. These foods help add bulk to the stool, making it easier to pass and preventing constipation. Glycerin suppositories may provide short-term relief but are not a long-term solution for chronic constipation. Physical activity actually helps promote bowel peristalsis, so limiting it would not be beneficial. Delaying defecation can lead to stool hardening and worsening constipation.
3. A 70-year-old woman presents with fatigue, anorexia, and weight loss. She has noticed darkening of her skin, particularly in sun-exposed areas. Laboratory tests reveal hyponatremia, hyperkalemia, and low cortisol levels. What is the most likely diagnosis?
- A. Cushing's syndrome
- B. Addison's disease
- C. Hypothyroidism
- D. Pheochromocytoma
Correct answer: B
Rationale: The combination of symptoms such as fatigue, anorexia, weight loss, hyperpigmentation of the skin, along with hyponatremia, hyperkalemia, and low cortisol levels, points towards Addison's disease. This condition is characterized by adrenal insufficiency, leading to a deficiency in cortisol and aldosterone production.
4. The mental health nurse observes that a female client with delusional disorder carries some of her belongings with her because she believes that others are trying to steal them. Which nursing action will promote trust?
- A. Explain that distrust is related to feeling anxious.
- B. Initiate short, frequent contacts with the client.
- C. Explain that these beliefs are related to her illness.
- D. Offer to keep the belongings at the nurse's desk.
Correct answer: B
Rationale: Initiating short, frequent contacts with the client is the most appropriate action to promote trust. This approach helps build trust and rapport, addressing the client's need for security. By maintaining regular contact, the nurse can provide reassurance and support, which can help alleviate the client's anxiety related to her delusional beliefs. Choice A does not directly address the client's need for trust and security. Choice C focuses on the client's illness but does not actively address building trust. Choice D, offering to keep the belongings at the nurse's desk, may not be well-received by the client and could potentially worsen her anxiety and distrust.
5. A patient with an anxiety disorder is prescribed alprazolam. What is the primary action of this medication?
- A. Increase energy levels
- B. Induce sedation
- C. Elevate mood
- D. Reduce anxiety
Correct answer: D
Rationale: Alprazolam is a benzodiazepine that primarily works by reducing anxiety. It achieves this by enhancing the inhibitory effects of the neurotransmitter GABA in the brain, which leads to a calming effect on the individual. Therefore, the primary action of alprazolam is to decrease anxiety levels rather than increase energy, induce sedation, or elevate mood.
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