ATI RN
ATI Pathophysiology Exam
1. How should rifampin most likely be administered to a patient diagnosed with tuberculosis?
- A. Orally, with food
- B. Orally, on an empty stomach
- C. Intramuscularly
- D. Intravenously, as a bolus
Correct answer: A
Rationale: Rifampin is typically administered orally, and it is recommended to be taken with food to enhance its absorption and reduce gastrointestinal side effects. Administering rifampin intramuscularly or intravenously is not the standard route of administration for this medication used in tuberculosis treatment.
2. What is the purpose of the inflammatory response?
- A. Prevents blood from entering the injured tissue
- B. Elevates body temperature to prevent spread of infection
- C. Prevents formation of abscess
- D. Minimizes injury and promotes healing
Correct answer: D
Rationale: The inflammatory response is a protective mechanism triggered by tissue damage or infection. It aims to minimize injury by removing harmful stimuli and initiating the healing process. Choice A is incorrect because blood flow to the injured tissue is actually increased to deliver immune cells and nutrients. Choice B is incorrect because while fever is a response to infection, it is not the primary purpose of the inflammatory response. Choice C is incorrect because abscess formation can occur as part of the inflammatory response in an attempt to contain an infection.
3. A toddler is displaying signs/symptoms of weakness and muscle atrophy. The pediatric neurologist suspects it may be a lower motor neuron disease called spinal muscular atrophy (SMA). The client's family asks how he got this. The nurse will respond:
- A. This could result from playing in soil and then ingesting bacteria that is now attacking his motor neurons.
- B. No one really knows how this disease is formed. We just know that in time, he may grow out of it.
- C. This is a degenerative disorder that tends to be inherited as an autosomal recessive trait.
- D. This is a segmental demyelination disorder that affects all nerve roots and eventually all muscle groups as well.
Correct answer: C
Rationale: The correct answer is C. Spinal muscular atrophy (SMA) is an inherited disorder, often autosomal recessive, that affects lower motor neurons. Choice A is incorrect because SMA is not caused by ingesting bacteria from playing in soil. Choice B is incorrect as SMA is not something that a person grows out of. Choice D is incorrect because SMA is not a demyelination disorder that affects nerve roots and muscle groups.
4. Which of the following is a characteristic of the human immunodeficiency virus (HIV), which causes AIDS?
- A. HIV only infects B cells
- B. HIV is a retrovirus
- C. Infection does not require a host cell receptor
- D. After infection, cell death is immediate
Correct answer: B
Rationale: The correct answer is B. HIV is a retrovirus that infects T cells and leads to the gradual destruction of the immune system. Choice A is incorrect because HIV infects T cells primarily, not just B cells. Choice C is incorrect because HIV infection requires host cell receptors for entry. Choice D is incorrect because cell death after HIV infection is not immediate; instead, the virus gradually weakens the immune system over time.
5. A patient is prescribed medroxyprogesterone acetate (Provera) for the treatment of endometriosis. What should the nurse include in the patient teaching?
- A. Take the medication with food to prevent nausea.
- B. Take the medication at the same time each day to maintain consistent hormone levels.
- C. Avoid prolonged sun exposure while taking this medication.
- D. Discontinue the medication if side effects occur.
Correct answer: B
Rationale: The correct answer is to take the medication at the same time each day to maintain consistent hormone levels and effectiveness. This is crucial for the drug to work optimally. Choice A is incorrect because medroxyprogesterone acetate does not necessarily need to be taken with food to prevent nausea. Choice C is not directly related to the medication's administration and is not a common teaching point for this drug. Choice D is incorrect as discontinuing the medication abruptly can lead to adverse effects and is not recommended without consulting a healthcare provider.
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