ATI RN
ATI Pathophysiology Exam 1
1. What causes type I diabetes?
- A. Overproduction of insulin from the beta cells of the pancreas
- B. Destruction of the beta cells within the pancreas, resulting in an inability to produce insulin
- C. Loss of insulin receptors on the target cells, resulting in insulin resistance
- D. A pituitary tumor in the brain, resulting in increased antidiuretic hormone production
Correct answer: B
Rationale: Type I diabetes is caused by the destruction of the beta cells in the pancreas, leading to an inability to produce insulin. This results in a lack of insulin, leading to hyperglycemia. Choice A is incorrect as type I diabetes is characterized by a deficiency of insulin production, not overproduction. Choice C describes the pathophysiology of type 2 diabetes, where insulin receptors become less responsive to insulin. Choice D is unrelated to type I diabetes as it describes a pituitary tumor causing increased antidiuretic hormone production.
2. A patient is prescribed medroxyprogesterone acetate (Provera) for the treatment of endometriosis. What should the nurse teach the patient about the use of this medication?
- A. Medroxyprogesterone should be taken with food to prevent nausea.
- B. Medroxyprogesterone can be taken intermittently when symptoms worsen.
- C. Medroxyprogesterone should be taken at the same time each day to maintain consistent hormone levels.
- D. Medroxyprogesterone should be discontinued if side effects occur.
Correct answer: C
Rationale: The correct answer is C. Medroxyprogesterone should be taken at the same time each day to maintain consistent hormone levels and effectiveness. Taking it at different times can lead to hormonal fluctuations and reduced medication efficacy. Choice A is incorrect because medroxyprogesterone does not need to be taken with food to prevent nausea. Choice B is incorrect as medroxyprogesterone is typically taken continuously rather than intermittently. Choice D is incorrect because side effects should be reported to the healthcare provider for further evaluation and management, not automatically leading to discontinuation of the medication.
3. A patient is prescribed testosterone gel for hypogonadism. What important instruction should the nurse provide regarding the application of this medication?
- A. Apply the gel to the chest or upper arms.
- B. Apply the gel to the face and neck.
- C. Apply the gel to the genitals for maximum absorption.
- D. Apply the gel to the scalp and back.
Correct answer: A
Rationale: The correct answer is to apply the testosterone gel to the chest or upper arms. This is recommended to minimize the risk of unintentional transfer of the medication to others, especially women and children, through skin contact. Applying the gel to the face, neck, or genitals is not advised as it can lead to unintended exposure to others. Additionally, applying the gel to the scalp or back is not appropriate as these areas are not indicated for absorption of testosterone.
4. Which individual is likely to have the best prognosis for recovery from his or her insult to the peripheral nervous system? An adult:
- A. client who developed rhabdomyolysis and ischemic injury after a tourniquet application.
- B. who suffered a bone-depth laceration to the shoulder during a knife attack.
- C. who had his forearm partially crushed by gears during an industrial accident.
- D. client who had nerves transected during surgery to remove a tumor from the mandible.
Correct answer: C
Rationale: The correct answer is C. Crushing-type injuries to the peripheral nervous system generally have a better prognosis compared to nerve transections or lacerations. In the scenario provided, the individual who had his forearm partially crushed by gears during an industrial accident is likely to have a better chance of recovery compared to nerve transection (choice D) or laceration (choice B). Rhabdomyolysis and ischemic injury after tourniquet application (choice A) are not directly related to peripheral nerve injury and do not indicate a better prognosis for recovery.
5. When taking medroxyprogesterone acetate (Provera) for the treatment of endometriosis, what important instruction should the nurse provide about taking this medication?
- A. Take the medication at the same time each day to maintain consistent hormone levels.
- B. Medroxyprogesterone should be taken without regard to meals.
- C. Discontinuing medroxyprogesterone should only be done under the guidance of a healthcare provider.
- D. Medroxyprogesterone is typically taken daily rather than weekly for the treatment of endometriosis.
Correct answer: A
Rationale: When taking medroxyprogesterone acetate for endometriosis, it is essential to maintain consistent hormone levels by taking the medication at the same time each day. This consistency helps optimize the effectiveness of the treatment. Choice B is incorrect because medroxyprogesterone should be taken without regard to meals, not necessarily with food. Choice C is incorrect because discontinuing the medication without consulting a healthcare provider can be harmful and may not address side effects appropriately. Choice D is incorrect as medroxyprogesterone is typically taken daily to manage endometriosis symptoms, not weekly, to ensure continuous therapy and symptom control.
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