ATI RN
ATI Pathophysiology Final Exam
1. A patient taking an oral contraceptive missed one pill. What should the nurse teach the patient to do?
- A. Take two pills as soon as you remember, then continue the regular schedule.
- B. Take one pill as soon as you remember, then continue the regular schedule.
- C. Skip the missed pill and continue the regular schedule.
- D. Take two pills immediately, then continue the regular schedule.
Correct answer: A
Rationale: When a patient taking an oral contraceptive misses one pill, the correct action is to take two pills as soon as they remember and then continue the regular schedule. Option A is the correct answer because doubling up the dose helps maintain the effectiveness of the contraceptive. Option B is incorrect because taking only one pill after missing one may decrease contraceptive effectiveness. Option C is wrong as skipping the missed pill can also reduce effectiveness. Option D is inaccurate because taking two pills immediately is not necessary; the patient should take the missed pill as soon as remembered and then resume the regular dosing schedule.
2. Which of the following is a clinical manifestation in a patient with renal impairment associated with polycystic kidney disease?
- A. Suprapubic pain
- B. Periorbital edema
- C. Low serum creatinine level
- D. Palpable kidneys
Correct answer: D
Rationale: The correct answer is D: Palpable kidneys. Polycystic kidney disease often leads to the development of multiple fluid-filled cysts within the kidneys, causing them to enlarge. Enlarged kidneys can be palpated during a physical examination. Choices A, B, and C are incorrect. Suprapubic pain is not a typical clinical manifestation of polycystic kidney disease. Periorbital edema is more commonly associated with conditions like nephrotic syndrome or heart failure. Low serum creatinine level is not expected in patients with renal impairment due to polycystic kidney disease; instead, elevated serum creatinine levels are more likely.
3. A patient is taking raloxifene (Evista) for osteoporosis. What is the primary therapeutic effect of this medication?
- A. It stimulates the formation of new bone.
- B. It decreases bone resorption and increases bone density.
- C. It increases the excretion of calcium through the kidneys.
- D. It increases calcium absorption in the intestines.
Correct answer: B
Rationale: The correct answer is B. Raloxifene, a selective estrogen receptor modulator (SERM), primarily works by decreasing bone resorption and increasing bone density. This mechanism of action helps in the prevention and treatment of osteoporosis by maintaining or improving bone strength. Choice A is incorrect because raloxifene does not directly stimulate the formation of new bone but rather helps in preserving existing bone. Choice C is incorrect because raloxifene does not increase the excretion of calcium through the kidneys; instead, it acts on bone tissue. Choice D is incorrect as raloxifene does not directly increase calcium absorption in the intestines but rather focuses on bone health.
4. In a patient with HIV infected with Mycobacterium avium complex from an indoor pool, which of the following medications is the recommended treatment for MAC?
- A. Clarithromycin
- B. Isoniazid (INH)
- C. Rifabutin
- D. Azithromycin
Correct answer: A
Rationale: The correct answer is Clarithromycin. Clarithromycin is one of the recommended medications for treating Mycobacterium avium complex (MAC) infections in patients with HIV. It is a macrolide antibiotic that is effective against MAC. Isoniazid (INH) is used to treat tuberculosis, not MAC. Rifabutin is another medication used in the treatment of MAC infections, but clarithromycin is preferred as a first-line agent. Azithromycin is also used in the treatment of MAC infections; however, clarithromycin is more commonly recommended due to its efficacy and safety profile.
5. A patient with breast cancer is prescribed tamoxifen (Nolvadex). What critical information should the nurse provide during patient education?
- A. Tamoxifen may increase the risk of venous thromboembolism, so patients should be educated about the signs and symptoms of blood clots.
- B. Tamoxifen may decrease the risk of osteoporosis, so adequate calcium intake is important.
- C. Tamoxifen may cause weight gain, so patients should monitor their diet.
- D. Tamoxifen may increase the risk of breast cancer, so regular mammograms are essential.
Correct answer: A
Rationale: When a patient is prescribed tamoxifen, a critical piece of information that the nurse should provide during patient education is that tamoxifen may increase the risk of venous thromboembolism. Therefore, patients should be educated about the signs and symptoms of blood clots and advised to seek immediate medical attention if they occur. Choice B is incorrect because tamoxifen does not decrease the risk of osteoporosis. Choice C is incorrect as weight gain is a possible side effect of tamoxifen, but it is not a critical piece of information compared to the risk of venous thromboembolism. Choice D is incorrect because tamoxifen is actually used to treat breast cancer, not increase its risk.
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