ATI RN
WGU Pathophysiology Final Exam
1. A patient is prescribed tadalafil (Cialis) for erectile dysfunction. What critical contraindication should the nurse discuss with the patient?
- A. Use of nitrates
- B. Use of antihypertensive medications
- C. History of hypertension
- D. History of peptic ulcer disease
Correct answer: A
Rationale: The correct answer is A: Use of nitrates. Tadalafil (Cialis) is contraindicated in patients taking nitrates due to the risk of severe hypotension. Nitrates potentiate the hypotensive effects of tadalafil, leading to a potentially life-threatening drop in blood pressure. Choices B, C, and D are incorrect because antihypertensive medications, history of hypertension, and history of peptic ulcer disease are not critical contraindications for tadalafil use. While caution may be needed in patients with certain conditions, the highest priority is addressing the interaction with nitrates.
2. A patient is taking medroxyprogesterone acetate (Provera) for the treatment of endometriosis. What should the nurse teach the patient about this medication?
- A. Medroxyprogesterone should be taken with food to prevent nausea.
- B. Medroxyprogesterone should be taken at the same time each day to maintain consistent hormone levels.
- C. Medroxyprogesterone can be taken intermittently when symptoms worsen.
- D. Medroxyprogesterone should be stopped if side effects occur.
Correct answer: B
Rationale: The correct answer is B. Medroxyprogesterone should be taken at the same time each day to maintain consistent hormone levels and effectiveness. Choice A is incorrect because medroxyprogesterone does not necessarily need to be taken with food. Choice C is incorrect as it is typically prescribed continuously rather than intermittently. Choice D is incorrect because patients should not stop the medication if side effects occur without consulting their healthcare provider.
3. Rhabdomyolysis can result in serious complications. In addition to muscle pain and weakness, a patient will complain of:
- A. paresthesias.
- B. bone pain.
- C. dark urine.
- D. diarrhea.
Correct answer: C
Rationale: The correct answer is dark urine. Rhabdomyolysis is a condition characterized by the breakdown of muscle tissue, leading to the release of myoglobin into the bloodstream. Myoglobin can cause the urine to appear dark or tea-colored, a condition known as myoglobinuria. This is a classic symptom of rhabdomyolysis. Choices A, B, and D are incorrect as they do not typically present as direct symptoms of rhabdomyolysis. Paresthesias refer to abnormal sensations like tingling or numbness, bone pain is not a primary symptom of rhabdomyolysis, and diarrhea is not a common complaint associated with this condition.
4. A client has experienced a pontine stroke which has resulted in severe hemiparesis. What priority assessment should the nurse perform prior to allowing the client to eat or drink from the food tray?
- A. Evaluate the client's gag reflex.
- B. Assess the client's bowel sounds.
- C. Check the client's pupil reaction.
- D. Monitor the client's heart rate.
Correct answer: A
Rationale: The correct answer is to evaluate the client's gag reflex. When a client has experienced a stroke resulting in severe hemiparesis, assessing the gag reflex is crucial before allowing them to eat or drink. This assessment helps prevent aspiration, a serious complication that can occur due to impaired swallowing ability. Assessing bowel sounds (Choice B), pupil reaction (Choice C), or heart rate (Choice D) are important assessments but are not the priority in this situation where the risk of aspiration is higher.
5. Which of the following wounds is most likely to heal by secondary intention?
- A. A finger laceration received while cutting onions
- B. A stage IV pressure ulcer that developed in a nursing home
- C. A needlestick injury received while administering parenteral medication
- D. An incision from an open appendectomy
Correct answer: B
Rationale: A stage IV pressure ulcer is a deep wound involving tissue loss that typically heals by secondary intention. This process involves the wound healing from the bottom up with granulation tissue and often results in significant scarring. Choice A, a finger laceration, would generally heal by primary intention due to its clean edges and minimal tissue loss. Choice C, a needlestick injury, is likely to be sutured and heal by primary intention since it is a small, clean wound. Choice D, an incision from an open appendectomy, is usually closed with sutures and heals by primary intention as well.
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