ATI RN
Pathophysiology Practice Exam
1. A client presents to the emergency department with complaints of chest pain and shortness of breath. The client's ECG shows ST-segment elevation. What is the priority nursing intervention?
- A. Administer aspirin as prescribed.
- B. Prepare the client for emergent coronary angiography.
- C. Administer oxygen therapy.
- D. Initiate CPR.
Correct answer: B
Rationale: In a client presenting with chest pain, shortness of breath, and ST-segment elevation on ECG, the priority nursing intervention is to prepare the client for emergent coronary angiography. This procedure is crucial in diagnosing and treating acute myocardial infarction promptly. Administering aspirin (Choice A) is important but not the priority over emergent coronary angiography. Administering oxygen therapy (Choice C) is supportive but does not address the underlying cause of the ST-segment elevation. Initiating CPR (Choice D) is not the priority in this scenario as the client is stable and conscious.
2. A patient is hospitalized with active tuberculosis. The patient is receiving antitubercular drug therapy and is not responding to the medications. What do you suspect the patient is suffering from?
- A. Human immunodeficiency virus
- B. Drug-resistant tuberculosis
- C. Methicillin-resistant Staphylococcus aureus
- D. Vancomycin-resistant Staphylococcus aureus
Correct answer: B
Rationale: When a patient with active tuberculosis is not responding to antitubercular drug therapy, drug-resistant tuberculosis should be suspected. Drug-resistant tuberculosis occurs when the bacteria causing tuberculosis become resistant to the medications being used. Choices A, C, and D are incorrect because the scenario described does not align with HIV infection, methicillin-resistant Staphylococcus aureus, or vancomycin-resistant Staphylococcus aureus.
3. In which patient would the manifestation of a headache be a sign of a serious underlying disorder?
- A. A 55-year-old man with new onset of headaches that are worse at night and reported mood swings according to his family
- B. A 30-year-old woman with a unilateral throbbing headache with photophobia and nausea
- C. A 60-year-old man with his head feeling full and throbbing and muscle aching around his neck and shoulders
- D. A 40-year-old woman who experiences food cravings, gets irritable, and then develops a pulsatile-like headache on the right side of her head
Correct answer: A
Rationale: The correct answer is A. New onset headaches in older adults, especially if worse at night, may indicate a serious condition like a brain tumor. Choice B describes symptoms commonly seen in migraines. Choice C describes tension-type headaches. Choice D describes symptoms of a menstrual migraine which is not typically associated with a serious underlying disorder.
4. A 10-year-old male is stung by a bee while playing in the yard. He begins itching and develops pain, swelling, redness, and respiratory difficulties. He is suffering from:
- A. Immunodeficiency
- B. Autoimmunity
- C. Anaphylaxis
- D. Tissue-specific hypersensitivity
Correct answer: C
Rationale: The correct answer is C: Anaphylaxis. Anaphylaxis is a severe, immediate allergic reaction mediated by IgE. In this scenario, the symptoms of itching, pain, swelling, redness, and respiratory difficulties following a bee sting are indicative of anaphylaxis. Choice A, Immunodeficiency, refers to a weakened immune system's inability to protect the body from infections and diseases, which is not the case here. Choice B, Autoimmunity, involves the immune system attacking healthy cells and tissues by mistake, which is not the mechanism at play in anaphylaxis. Choice D, Tissue-specific hypersensitivity, does not accurately describe the immediate, systemic reaction seen in anaphylaxis.
5. After ingestion of cysts, how long does it take for the symptoms of giardiasis to develop?
- A. 12 to 24 hours
- B. 3 to 5 days
- C. 1 to 2 weeks
- D. 2 to 3 months
Correct answer: B
Rationale: Giardiasis symptoms typically develop 3 to 5 days after ingestion of the cysts. This timeframe aligns with the incubation period of the Giardia parasite. Choice A (12 to 24 hours) is too short for giardiasis to manifest. Choice C (1 to 2 weeks) and choice D (2 to 3 months) represent durations that are not consistent with the usual onset of symptoms in giardiasis.
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