ATI RN
Pathophysiology Exam 1 Quizlet
1. During an assessment of a male client suspected of having a disorder of motor function, which finding would suggest a possible upper motor neuron (UMN) lesion?
- A. Hypotonia
- B. Hyperreflexia
- C. Muscle atrophy
- D. Fasciculations
Correct answer: B
Rationale: Hyperreflexia, or exaggerated reflexes, is a common sign of an upper motor neuron (UMN) lesion. An UMN lesion indicates damage to the central nervous system pathways that control movement. Hypotonia (choice A) refers to reduced muscle tone, which is more indicative of lower motor neuron lesions. Muscle atrophy (choice C) suggests long-standing denervation or disuse of muscles. Fasciculations (choice D) are involuntary muscle contractions that can be seen in lower motor neuron lesions, like in amyotrophic lateral sclerosis (ALS), rather than UMN lesions.
2. What property is found in clients with metastatic cancer?
- A. Tumors that are well encapsulated
- B. Tumors with slow, stable growth
- C. Cells that are genetically stable
- D. Cells invading local tissue and overrunning neighboring cells
Correct answer: D
Rationale: Metastatic cancer is characterized by cells that invade local tissue and overrun neighboring cells. Therefore, the correct answer is D. Choices A, B, and C are incorrect because metastatic cancer is associated with aggressive behavior where cells invade and spread to other parts of the body, rather than being well encapsulated, growing slowly, or being genetically stable.
3. A teacher in a preschool is diagnosed with giardiasis. Which of the following medications will be administered to treat the diarrhea and abdominal distention?
- A. Sulfasalazine (Azulfidine)
- B. Metronidazole (Flagyl)
- C. Trimethoprim–sulfamethoxazole (Bactrim)
- D. Doxycycline (Vibramycin)
Correct answer: B
Rationale: The correct answer is B. Metronidazole (Flagyl) is the drug of choice for treating giardiasis, which is a common cause of diarrhea and abdominal distention. Sulfasalazine (Choice A) is used to treat inflammatory bowel disease. Trimethoprim–sulfamethoxazole (Choice C) is commonly used for urinary tract infections and Pneumocystis jirovecii pneumonia. Doxycycline (Choice D) is commonly used to treat various bacterial infections but is not the first-line treatment for giardiasis.
4. Which of the following statements characterizes irritable bowel syndrome?
- A. Typically does not cause anemia
- B. Not generally associated with intestinal E. coli
- C. Can be associated with anxiety and/or depression
- D. Not often associated with bloody diarrhea
Correct answer: C
Rationale: Irritable bowel syndrome (IBS) is a gastrointestinal disorder characterized by abdominal pain, bloating, and changes in bowel habits. While IBS can lead to symptoms like diarrhea or constipation, it typically does not cause anemia (choice A), is not generally associated with intestinal E. coli (choice B), and is not often associated with bloody diarrhea (choice D). However, IBS can indeed be associated with anxiety and/or depression (choice C) due to the gut-brain axis, a bidirectional communication system between the gut and the brain. This association is well-documented in IBS patients, highlighting the importance of considering psychological factors in managing the condition.
5. What potential risk should the nurse identify as being associated with infliximab (Remicade) in the treatment of rheumatoid arthritis?
- A. Risk for infection
- B. Risk for decreased level of consciousness
- C. Risk for nephrotoxicity
- D. Risk for hepatotoxicity
Correct answer: A
Rationale: The correct answer is A: Risk for infection. Infliximab (Remicade) is a medication used to treat autoimmune conditions like rheumatoid arthritis. One of the main risks associated with infliximab is an increased susceptibility to infections due to its immunosuppressive effects. This drug works by targeting specific proteins in the body's immune system, which can weaken the body's ability to fight off infections. Choices B, C, and D are incorrect because infliximab is not typically associated with decreased level of consciousness, nephrotoxicity, or hepatotoxicity. It is important for healthcare providers to monitor patients on infliximab for signs of infection and educate them on the importance of infection prevention strategies.
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