ATI RN
ATI Pathophysiology Exam 2
1. A patient is receiving oral nystatin suspension for a fungal infection of the mouth. Which of the following adverse effects is most likely to be experienced with this form of nystatin?
- A. Local irritation
- B. Burning
- C. Nausea
- D. Urinary urgency
Correct answer: A
Rationale: The correct answer is A: Local irritation. When using oral nystatin suspension for a fungal infection of the mouth, local irritation is the most likely adverse effect that a patient may experience. Nystatin is generally well-tolerated, but some patients may develop local irritation, such as mouth or throat irritation. Choices B, C, and D are less likely adverse effects of oral nystatin suspension. Burning, nausea, and urinary urgency are not commonly associated with nystatin use for a fungal infection of the mouth.
2. Which disorder is caused by a Staphylococcus aureus organism producing a toxin leading to exfoliation and large blister formation?
- A. Herpes simplex I virus
- B. Bullous impetigo
- C. Necrotizing fasciitis
- D. Cellulitis
Correct answer: B
Rationale: Bullous impetigo is the correct answer because it is caused by a Staphylococcus aureus toxin that leads to exfoliation and the formation of large blisters. Herpes simplex I virus (Choice A) causes cold sores and is not associated with exfoliation and blister formation. Necrotizing fasciitis (Choice C) is a severe skin infection involving the deeper layers of skin and subcutaneous tissues, typically caused by bacteria such as Streptococcus or Clostridium species, not Staphylococcus aureus. Cellulitis (Choice D) is a common bacterial skin infection, but it does not involve exfoliation and blister formation as seen in bullous impetigo.
3. A 21-year-old male is brought to the ED following a night of partying in his fraternity. His friends found him 'asleep' and couldn't get him to respond. They cannot recall how many alcoholic beverages he drank the night before. While educating a student nurse and the man's friends, the nurse begins by explaining that alcohol is:
- A. A water-soluble compound that is easily absorbed by the gastric lining of the stomach.
- B. Very lipid-soluble and rapidly crosses the blood–brain barrier.
- C. Able to reverse the transport of some substances to remove them from the brain.
- D. Very likely to cause sedation and therefore the client just needs to sleep it off.
Correct answer: B
Rationale: The correct answer is B. Alcohol is very lipid-soluble and rapidly crosses the blood–brain barrier, leading to its effects on the central nervous system and causing symptoms like sedation and unconsciousness. Choice A is incorrect because alcohol is not water-soluble; it is lipid-soluble. Choice C is incorrect as alcohol does not reverse the transport of substances from the brain. Choice D is incorrect as sedation from alcohol is not a reason to just 'sleep it off' in cases of alcohol poisoning, which can be life-threatening and requires medical attention.
4. Helicobacter pylori (H. pylori) often causes which of the following?
- A. Colon cancer
- B. Hiatal hernia
- C. Peptic ulcer disease
- D. Esophageal varices
Correct answer: C
Rationale: Helicobacter pylori is a bacterium known to cause peptic ulcer disease by weakening the protective lining of the stomach and duodenum, leading to inflammation and ulcers. While chronic H. pylori infection is a risk factor for stomach cancer, it is not directly linked to colon cancer (Choice A), hiatal hernia (Choice B), or esophageal varices (Choice D). Therefore, the correct answer is C.
5. A 30-year-old female has suffered a third-degree burn to her hand after spilling hot oil in a kitchen accident. Which teaching point by a member of her care team is most appropriate?
- A. Your hand will likely heal without the need for a skin graft.
- B. You might experience a loss of sensation in your hand after it heals.
- C. Be sure to keep your hand elevated to reduce swelling.
- D. We will need to monitor you for infection as your hand heals.
Correct answer: D
Rationale: In third-degree burns, infection is a major concern due to the extensive damage to the skin. Monitoring for infection is crucial. Choice A is incorrect because third-degree burns often require skin grafts due to the severity of the injury. Choice B is incorrect as loss of sensation is more common in nerve damage and not necessarily in burns. Choice C is incorrect because while elevation can help with swelling in minor burns, it is not the most critical concern in third-degree burns.
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