ATI RN
ATI Pathophysiology Final Exam
1. A hospital patient's complex medical history includes a recent diagnosis of kidney cancer. Which of the following medications is used to treat metastatic kidney cancer?
- A. Filgrastim (Neupogen)
- B. Aldesleukin (Proleukin)
- C. Interferon alfa-2b (Intron A)
- D. Darbepoetin alfa (Aranesp)
Correct answer: B
Rationale: The correct answer is B: Aldesleukin (Proleukin). Aldesleukin is a medication used in the treatment of metastatic kidney cancer. It is a recombinant interleukin-2 that works by stimulating the immune system to attack cancer cells. Choice A, Filgrastim, is a medication used to stimulate the production of white blood cells. Choice C, Interferon alfa-2b, is used in the treatment of certain cancers but not specifically metastatic kidney cancer. Choice D, Darbepoetin alfa, is used to treat anemia by stimulating red blood cell production and is not indicated for metastatic kidney cancer.
2. What is the primary cause of primary hypercholesteremia?
- A. High-density lipoprotein (HDL) defects
- B. Monogenic mutations, sedentary lifestyle, and high cholesterol diet
- C. Polygenic mutations and environmental factors
- D. Low-density lipoprotein (LDL) receptor mutation with defects in breakdown
Correct answer: Low-density lipoprotein (LDL) receptor mutation with defects in breakdown
Rationale: The correct answer is 'Low-density lipoprotein (LDL) receptor mutation with defects in breakdown.' Primary hypercholesteremia is mainly caused by mutations in the LDL receptor, leading to impaired clearance of LDL cholesterol from the blood. This results in high levels of LDL cholesterol in the bloodstream. Choices A, B, and C are incorrect because they do not directly relate to the primary cause of primary hypercholesteremia.
3. A patient is being treated with amphotericin B. Which of the following statements indicates that the patient has understood the patient teaching?
- A. “The medication may cause diabetes.”
- B. “The medication will cause liver necrosis.”
- C. “The medication may cause kidney damage.”
- D. “The medication will cause pancreatitis.”
Correct answer: C
Rationale: The correct answer is C: 'The medication may cause kidney damage.' Amphotericin B is known for its potential to cause nephrotoxicity, which can manifest as kidney damage. It is crucial for the patient to be aware of this possible adverse effect. Choices A, B, and D are incorrect because amphotericin B is not typically associated with causing diabetes, liver necrosis, or pancreatitis. Therefore, these statements do not reflect an accurate understanding of the medication's side effects.
4. A client with a diagnosis of depression has been prescribed a medication that ultimately increases the levels of the neurotransmitter serotonin between neurons. Which process will accompany the actions of the neurotransmitter in a chemical synapse?
- A. Two-way communication between neurons is permitted, in contrast to the one-way communication in electrical synapses.
- B. Communication between a neuron and the single neuron it is connected with will be facilitated.
- C. The neurotransmitter will cross gap junctions more readily.
- D. More neurotransmitters will cross the synaptic cleft and bond with postsynaptic receptors.
Correct answer: D
Rationale: When serotonin levels increase, more neurotransmitters will cross the synaptic cleft and bind with postsynaptic receptors, facilitating enhanced communication. Option A is incorrect because chemical synapses, unlike electrical synapses, are unidirectional. Option B is incorrect because neurotransmitters impact communication with multiple neurons, not just a single connected neuron. Option C is incorrect because neurotransmitters cross the synaptic cleft, not gap junctions.
5. When teaching a patient about the use of finasteride (Proscar) for benign prostatic hyperplasia (BPH), what should the nurse emphasize about the expected outcomes of this therapy?
- A. Expect improvement in symptoms within a few days.
- B. Improvement in symptoms may take several weeks or months.
- C. Expect immediate improvement in urinary flow.
- D. The medication will cure BPH after treatment is complete.
Correct answer: B
Rationale: The correct answer is B. The effects of finasteride in treating BPH may take several weeks or months to become noticeable as it works by shrinking the prostate gland over time. Therefore, patients should be informed that improvement in symptoms may not be immediate. Choice A is incorrect because improvement in symptoms is not expected within a few days. Choice C is incorrect as immediate improvement in urinary flow is not typical with finasteride. Choice D is incorrect because finasteride manages BPH symptoms but does not cure the condition.
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