ATI RN
Pathophysiology Practice Questions
1. A 30-year-old woman presents with joint pain, a malar rash, and photosensitivity. Which of the following is the most likely diagnosis?
- A. Rheumatoid arthritis
- B. Systemic lupus erythematosus
- C. Psoriatic arthritis
- D. Dermatomyositis
Correct answer: B
Rationale: The correct answer is B: Systemic lupus erythematosus. Joint pain, a malar rash, and photosensitivity are classic symptoms of systemic lupus erythematosus. Choice A, Rheumatoid arthritis, is incorrect as it typically presents with symmetric joint involvement and morning stiffness. Psoriatic arthritis (Choice C) is characterized by joint pain associated with psoriasis, which is not described in the case. Dermatomyositis (Choice D) presents with muscle weakness, skin rash, and elevated muscle enzymes, different from the symptoms presented in the case.
2. How can a nurse determine the efficacy of a child's mebendazole treatment for roundworm after 3 weeks?
- A. Liver function tests
- B. Stool for ova and parasites
- C. Colonoscopy or sigmoidoscopy
- D. Rectal swab for culture
Correct answer: B
Rationale: The correct answer is B: Stool for ova and parasites. To assess the efficacy of treatment for roundworm, the nurse would examine the stool for ova (eggs) and parasites. This test helps determine if the infection has been cleared. Choices A, C, and D are incorrect because liver function tests are not commonly used to monitor roundworm treatment efficacy, and colonoscopy/sigmoidoscopy as well as rectal swab for culture are not routine diagnostic tests for assessing the effectiveness of mebendazole treatment for roundworm.
3. When administering an immunization, which of the following medications should be available?
- A. Diphenhydramine (Benadryl)
- B. Hydroxyzine (Vistaril)
- C. Physostigmine
- D. Epinephrine
Correct answer: D
Rationale: When administering an immunization, it is essential to have epinephrine available in case of an allergic reaction such as anaphylaxis. Epinephrine is the medication of choice for treating severe allergic reactions due to its ability to reverse the symptoms rapidly. Diphenhydramine and hydroxyzine are antihistamines that can help manage mild allergic reactions but are not the primary medications for severe reactions like anaphylaxis. Physostigmine is not indicated for managing allergic reactions and is used for specific conditions such as anticholinergic toxicity.
4. A male patient is being treated with testosterone gel for hypogonadism. What important instruction should the nurse provide?
- A. Apply the gel to the face and neck for maximum absorption.
- B. Apply the gel to the chest or upper arms and allow it to dry completely before dressing.
- C. Apply the gel to the scalp and back.
- D. Apply the gel to the genitals for improved results.
Correct answer: B
Rationale: The correct instruction for applying testosterone gel is to apply it to the chest or upper arms and allow it to dry completely before dressing. This is important to prevent the transfer of the medication to others. Applying it to the face and neck (Choice A) is incorrect as these areas are not recommended. Similarly, applying it to the scalp and back (Choice C) or the genitals (Choice D) is also incorrect and can lead to inappropriate absorption or undesirable effects.
5. A healthcare provider is explaining to a patient the difference between primary and secondary immunodeficiency disorders and explains that secondary immunodeficiencies (select ONE that does not apply):
- A. May develop after viral infections
- B. Develop before birth
- C. May develop following immunosuppressive therapies
- D. Are caused by superimposed conditions
Correct answer: B
Rationale: The correct statements about secondary immunodeficiencies are that they may develop after viral infections, following immunosuppressive therapies, and are caused by superimposed conditions. Choice B ('Develop before birth') is incorrect because secondary immunodeficiencies do not develop before birth. They are acquired later in life. Therefore, the correct answers are A, C, and D.
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