ATI RN
Pathophysiology Exam 1 Quizlet
1. What aspect of hormonal contraceptives places a woman at the greatest risk for the development of blood clots?
- A. Hormonal contraceptives increase serum triglyceride and cholesterol levels.
- B. Hormonal contraceptives increase platelet levels.
- C. Hormonal contraceptives increase blood levels of clotting factors.
- D. Hormonal contraceptives cause injury to blood vessel linings.
Correct answer: C
Rationale: The correct answer is C. Hormonal contraceptives increase blood levels of clotting factors, particularly factors II, VII, IX, and X. This elevation in clotting factors can predispose individuals to thromboembolic events, including blood clots. Choices A, B, and D are incorrect because hormonal contraceptives do not have a significant effect on serum triglycerides and cholesterol, platelet levels, or causing direct injury to blood vessel linings as the primary mechanism for clot formation.
2. When reviewing the purpose/action of neurotransmitters as they interact with different receptors, the nursing instructor gives an example using acetylcholine. When acetylcholine is released at the sinoatrial node in the right atrium of the heart, it is:
- A. positively charged.
- B. inhibitory.
- C. overstimulated.
- D. dormant.
Correct answer: B
Rationale: Acetylcholine acts as an inhibitory neurotransmitter at the sinoatrial node. It slows down the heart rate by decreasing the firing rate of the sinoatrial node, which serves as the heart's natural pacemaker. Neurotransmitters do not have a charge, so choice A is incorrect. Choice C is wrong as overstimulation is not a characteristic of acetylcholine at the sinoatrial node. Choice D is also incorrect because acetylcholine actively influences heart rate regulation when released at the sinoatrial node.
3. An adult patient has begun treatment with fluconazole. The nurse should recognize the need to likely discontinue the drug if the patient develops which of the following signs or symptoms?
- A. Jaundice
- B. Weight gain
- C. Iron deficiency anemia
- D. Hematuria
Correct answer: A
Rationale: The correct answer is A: Jaundice. Fluconazole, an antifungal medication, can rarely cause hepatotoxicity, which may manifest as jaundice. Monitoring for signs of liver dysfunction, such as jaundice, is crucial during fluconazole therapy. Weight gain, iron deficiency anemia, and hematuria are not commonly associated with fluconazole use and are not indications for discontinuing the drug.
4. After a 27-year-old woman with epilepsy had a generalized seizure, she feels tired and falls asleep. This is:
- A. an ominous sign.
- B. normal and termed the postictal period.
- C. a reflection of an underlying brain tumor.
- D. only worrisome if there are focal neurologic deficits after.
Correct answer: B
Rationale: The correct answer is B: normal and termed the postictal period. The postictal period is a common phase following a seizure where the individual may experience fatigue, confusion, or sleepiness. It is a normal part of the seizure event and does not necessarily indicate a serious issue. Choice A is incorrect because feeling tired and falling asleep after a seizure is not an ominous sign but rather a typical postictal symptom. Choice C is incorrect as there is no indication in the scenario provided that links the symptoms to an underlying brain tumor. Choice D is incorrect because the absence of focal neurologic deficits does not make the postictal period worrisome.
5. What important instruction should the nurse provide about taking medroxyprogesterone acetate (Provera) for a patient with endometriosis?
- A. Take the medication at the same time each day to maintain consistent hormone levels.
- B. Medroxyprogesterone should be taken with food to reduce gastrointestinal upset.
- C. Discontinue medroxyprogesterone if side effects occur.
- D. Medroxyprogesterone should be taken once a week to maintain effectiveness.
Correct answer: A
Rationale: The correct answer is to take the medication at the same time each day to maintain consistent hormone levels and effectiveness. This consistency is crucial for achieving therapeutic outcomes. Choice B is incorrect because medroxyprogesterone should be taken at the same time each day, regardless of food intake. Choice C is incorrect because side effects should be reported to the healthcare provider for further evaluation rather than discontinuing the medication abruptly. Choice D is incorrect as medroxyprogesterone is usually taken daily for the prescribed duration.
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